Major Depressive Disorder & Addiction Treatment in Tennessee
People grappling with depression or addiction face significant challenges that can affect nearly every part of life. When these conditions occur together, the symptoms of each can intensify the other. Depression may contribute to isolation, hopelessness, sleep problems, loss of motivation, and substance use, while alcohol or drugs can worsen mood, disrupt sleep, interfere with treatment, and make it more difficult to determine what symptoms are coming from depression itself.
Major Depressive Disorder, or MDD, is more than feeling sad after a difficult event. It is a recognized mental health disorder involving persistent depressive symptoms that interfere with daily functioning, relationships, work, self-care, and quality of life.
Brooks Healing Center provides integrated treatment for adults experiencing major depressive disorder alongside substance use concerns. Located between Nashville and Chattanooga in Normandy, Tennessee, Brooks can provide substance-use detox and stabilization when appropriate, residential dual-diagnosis treatment, individualized therapy, psychiatric and medication support when clinically appropriate, and continued care through our Partial Hospitalization Program and recovery housing options.
Treatment starts by looking at the whole clinical picture rather than assuming every depressive symptom has one cause. Substance use, withdrawal, medications, bipolar disorder, trauma, anxiety, sleep deprivation, chronic medical conditions, grief, and other factors can all influence mood.
John Ingham
Updated on: October 6, 2026 by John Ingham
Table of Contents
Key Points About Major Depressive Disorder and Addiction
- Major Depressive Disorder is a clinical condition, not ordinary sadness. Symptoms persist, cause meaningful distress or impairment, and affect how someone feels, thinks, behaves, sleeps, eats, works, and relates to others.
- A major depressive episode generally lasts at least two weeks. Depressed mood or loss of interest or pleasure is central to the diagnosis, along with additional emotional, cognitive, behavioral, or physical symptoms. NIMH outlines the current clinical features of depression.
- Depression and substance use frequently overlap. In 2025, approximately 7.3 million U.S. adults experienced both a major depressive episode and substance use disorder during the previous year. SAMHSA
- Alcohol and drugs can worsen, imitate, or contribute to depressive symptoms. A person may have primary MDD, substance-induced depressive symptoms, withdrawal-related depression, or more than one problem occurring at the same time.
- Major depression must be distinguished from bipolar depression. A history of mania or hypomania changes the diagnosis and can substantially affect medication decisions.
- Psychotherapy and antidepressant medications are established treatments for MDD. For moderate or severe depression, medication is commonly incorporated into treatment along with psychotherapy. NIMH describes psychotherapy, antidepressants, and additional interventions used in depression treatment.
- Depression can become life-threatening. Suicidal thoughts, intent, planning, severe self-neglect, psychosis, or inability to remain safe require immediate professional intervention.
- How Brooks helps: Brooks addresses depression and substance use together through integrated dual-diagnosis treatment, residential structure, individualized therapy, psychiatric and medication support when appropriate, relapse prevention, PHP, supportive housing, sober living, and continuing recovery planning.
Major Depressive Disorder & Dual-Diagnosis Treatment at a Glance
| Treatment Component | What It Addresses | When It May Be Important |
|---|---|---|
| Substance-Use Detox & Stabilization | Withdrawal, intoxication, sleep disruption, medical concerns, mood changes, and the effects substances may be having on depression. | When alcohol, benzodiazepines, opioids, or other substances require structured withdrawal support before the clinical picture can be evaluated more clearly. |
| Residential Dual-Diagnosis Treatment | Depression and substance-use patterns within a structured 24-hour recovery environment. | When depression, relapse risk, impaired functioning, substance use, or the home environment makes lower-intensity treatment difficult to maintain. |
| Psychiatric & Medication Support | Depressive symptoms, sleep, anxiety, medication response, side effects, and other psychiatric needs. | When antidepressants or other medications are clinically appropriate as part of the treatment plan. |
| Behavioral Therapy | Negative thought patterns, avoidance, loss of routine, cravings, coping, relationships, emotional regulation, and relapse prevention. | Throughout treatment and continued recovery. |
| Partial Hospitalization Program (PHP) | Intensive daytime treatment with increasing independence outside treatment hours. | Following residential treatment or when substantial clinical structure is still needed. |
| Sober Living | Substance-free housing, routine, accountability, peer support, and increasing independence. | For eligible individuals who benefit from continued recovery structure after more intensive treatment. |
What Is Major Depressive Disorder?
Major Depressive Disorder, often called major depression or clinical depression, is a mental health disorder that causes persistent symptoms affecting mood, thinking, behavior, physical functioning, and everyday life.
Everyone experiences sadness, disappointment, stress, or grief. MDD is different because the symptoms are persistent enough and significant enough to interfere with important areas of functioning.
The National Institute of Mental Health describes depression as a condition that can affect sleeping, eating, working, relationships, concentration, motivation, and the ability to experience pleasure. National Institute of Mental Health
Major depression can affect people very differently. Someone may appear visibly withdrawn and unable to function, while another person continues working and meeting responsibilities while experiencing severe internal distress.
What Are the Symptoms of Major Depressive Disorder?
Symptoms may include:
- Persistent sadness, emptiness, or depressed mood
- Loss of interest or pleasure in activities once enjoyed
- Feelings of hopelessness
- Irritability or frustration
- Feelings of worthlessness or excessive guilt
- Fatigue or low energy
- Difficulty concentrating or making decisions
- Sleeping too little or too much
- Changes in appetite or weight
- Feeling physically slowed down
- Restlessness or agitation
- Unexplained aches, digestive problems, or other physical complaints
- Social withdrawal
- Difficulty maintaining work, school, household, or family responsibilities
- Recurrent thoughts of death
- Suicidal thoughts or behavior
Not everyone experiences depression in the same way. NIMH notes that depression can also appear as anger, detachment, impulsivity, increased risk-taking, isolation, or increased alcohol or drug use. National Institute of Mental Health
How Is Major Depressive Disorder Diagnosed?
A diagnosis is not based on one bad day or one symptom.
For a major depressive episode, symptoms are generally present most of the day, nearly every day, for at least two weeks. Depressed mood or significant loss of interest or pleasure must be among the core symptoms, along with additional symptoms affecting areas such as sleep, energy, appetite, concentration, psychomotor activity, guilt, or thoughts of death. National Institute of Mental Health
Diagnosis also requires looking at what might better explain the symptoms.
A clinical assessment may consider:
- When symptoms began
- How long they last
- Previous episodes
- Current alcohol or drug use
- Recent withdrawal
- Prescription medications
- Sleep patterns
- Medical conditions
- Thyroid or other laboratory concerns
- Trauma and stress
- Anxiety symptoms
- Previous manic or hypomanic symptoms
- Psychotic symptoms
- Family psychiatric history
- Suicidal thoughts or behavior
- Previous treatment and medication response
Medical conditions and medications can sometimes produce symptoms that resemble depression, which is why NIMH recommends appropriate medical evaluation when diagnosing depression. National Institute of Mental Health
Depression Is More Than a “Chemical Imbalance”
Neurobiology is part of depression, but describing MDD simply as a shortage or imbalance of serotonin, dopamine, or norepinephrine is too simplistic.
Current understanding is much broader.
Depression appears to arise through interacting:
- Genetic factors
- Biological vulnerabilities
- Brain and stress-response systems
- Psychological patterns
- Early experiences
- Chronic stress
- Trauma
- Physical health
- Social environment
- Sleep
- Substance use
- Major life events
NIMH describes depression as involving genetic, biological, environmental, and psychological factors, rather than one single chemical cause. National Institute of Mental Health
This matters because treatment is usually more effective when it addresses the person’s complete situation instead of trying to identify one universal “root cause.”
Major Depression vs. Other Depressive and Mood Conditions
Several disorders can involve depressive symptoms but are not clinically interchangeable.
| Condition | Key Distinction |
|---|---|
| Major Depressive Disorder | Distinct major depressive episodes involving significant symptoms and impairment without a history of mania or hypomania. |
| Persistent Depressive Disorder | Longer-lasting depressive symptoms, generally continuing for at least two years in adults. |
| Bipolar Depression | A depressive episode occurring within Bipolar I or Bipolar II disorder; a history of mania or hypomania changes the diagnosis. |
| Substance/Medication-Induced Depressive Disorder | Depressive symptoms developing in a pattern closely related to intoxication, withdrawal, or medication exposure. |
| Seasonal Affective Disorder | Depression with a recurring seasonal pattern, commonly beginning during fall or winter. |
| Depression With Psychotic Features | Severe depression accompanied by delusions or hallucinations. |
NIMH distinguishes major depression, persistent depressive disorder, seasonal affective disorder, psychotic depression, and bipolar disorder. National Institute of Mental Health
Major Depressive Disorder vs. Bipolar Depression
One of the most important diagnostic distinctions is whether a depressive episode occurs as part of MDD or bipolar disorder.
Someone with MDD has not experienced a manic or hypomanic episode.
A person with Bipolar I or Bipolar II disorder may spend considerable time depressed, and the depressive symptoms can look nearly identical to major depression. The difference becomes apparent only when the person’s lifetime history of elevated mood episodes is considered.
This matters because treatment can differ substantially. Antidepressants may be appropriate in MDD, whereas bipolar disorder often requires mood-stabilizing treatment, and antidepressants used without appropriate mood stabilization can contribute to mania or rapid cycling in susceptible patients.
Brooks provides a separate guide to Bipolar I and Bipolar II disorder explaining the differences among depression, hypomania, and mania.
Questions That Can Help Clarify the Difference
During assessment, clinicians may ask whether someone has ever experienced periods involving:
- Dramatically reduced need for sleep
- Unusually elevated energy
- Racing thoughts
- Rapid or pressured speech
- Grandiosity
- Marked impulsivity
- Unusual spending
- Significant risk-taking
- Abrupt increases in activity or productivity
- Psychosis
- Hospitalization during an elevated episode
A history like this deserves careful evaluation before assuming recurrent depression represents MDD.
How Common Is Major Depression?
According to the 2025 National Survey on Drug Use and Health:
- Approximately 19.7 million U.S. adults, or 7.4%, experienced a major depressive episode during the previous year.
- Approximately 13.8 million adults, or 5.2%, experienced a major depressive episode with severe impairment.
- Among young adults ages 18–25, approximately 5.1 million, or 14.2%, had a major depressive episode.
- Approximately 3.7 million young adults, or 10.2%, experienced a major depressive episode with severe impairment. SAMHSA
These are estimates of major depressive episodes, not a perfect count of clinically diagnosed Major Depressive Disorder. The NSDUH measure does not make every exclusion that would be required during a complete clinical diagnostic assessment, so the distinction should remain clear. National Institute of Mental Health
Major Depressive Disorder and Substance Use
The interplay between depression and drug or alcohol use can be multifaceted, often creating a cycle that makes both conditions harder to manage.
Someone with depression may initially use alcohol or drugs to escape sadness, quiet intrusive thoughts, sleep, increase energy, reduce anxiety, feel pleasure, or temporarily disconnect from emotional pain. Short-term relief can reinforce continued use.
Over time, substance use can introduce additional problems:
- Sleep disruption
- Withdrawal
- Cravings
- Financial stress
- Relationship conflict
- Loss of employment
- Medical problems
- Legal consequences
- Isolation
- Reduced medication adherence
- Changes in mood and cognition
The result can be a cycle in which depression contributes to substance use and the consequences of substance use deepen depressive symptoms.
This overlap is not rare. In 2025, approximately 7.3 million U.S. adults experienced both a major depressive episode and substance use disorder in the previous year, including about 2.1 million young adults ages 18–25. SAMHSA
SAMHSA recommends integrated care for co-occurring mental health and substance use disorders, because coordinating treatment for both conditions can improve the quality of care rather than treating each problem in isolation. SAMHSA
Alcohol and Depression
Alcohol may temporarily blunt emotional pain or anxiety, but its effects can complicate depression.
Repeated drinking can:
- Disrupt sleep
- Increase impulsivity
- Worsen relationship problems
- Contribute to withdrawal-related anxiety or low mood
- Interfere with psychiatric medication
- Increase isolation
- Lower inhibition around suicidal thoughts
- Reinforce avoidance rather than healthy coping
Someone with both depression and alcohol use disorder may therefore need treatment that addresses the mood disorder and alcohol addiction together.
Stimulants and Depression
Cocaine, methamphetamine, or prescription stimulant misuse can temporarily increase energy, confidence, pleasure, and alertness.
The crash after stimulant use can produce profound:
- Fatigue
- Anhedonia
- Depressed mood
- Increased sleep
- Irritability
- Poor concentration
- Suicidal thinking in severe cases
That can create diagnostic complexity. A person may have primary Major Depressive Disorder, stimulant withdrawal, or both.
Opioids and Depression
Opioid use can also intersect with depression.
Some people use opioids to escape emotional pain or numb distress. As opioid use disorder develops, withdrawal, cravings, isolation, overdose experiences, financial problems, and the disruption associated with addiction can worsen depressive symptoms.
Brooks’ opioid addiction treatment addresses opioid use within the broader behavioral and emotional context of recovery.
Cannabis and Depression
Cannabis is sometimes used in an attempt to manage sleep, anxiety, stress, or low mood.
For some people, frequent use can contribute to reduced motivation, withdrawal symptoms, anxiety, sleep disruption, or other concerns that overlap with depression.
When depression and problematic cannabis use occur together, treatment should assess both rather than assuming marijuana is either the sole cause or a harmless self-treatment.
Do Drugs Cause Depression—or Does Depression Cause Addiction?
The answer can be either, both, or neither in a simple one-directional sense.
Depression can increase vulnerability to substance use when someone begins using alcohol or drugs to manage emotional pain, low energy, anxiety, sleep problems, trauma, or hopelessness.
Substance use can also contribute to depressive symptoms through:
- Intoxication
- Withdrawal
- Sleep disruption
- Medical effects
- Social and financial consequences
- Medication interactions
- Changes in daily routine
- Isolation
In other cases, MDD and a substance use disorder may develop partly because they share underlying genetic, psychological, environmental, or stress-related vulnerabilities.
SAMHSA specifically notes that mental health and substance use disorders can influence one another and also share underlying risk factors. SAMHSA
The practical issue is not always determining which condition came first. It is establishing what diagnoses are present now and what needs to be treated.
Substance-Induced Depression vs. Major Depressive Disorder
Alcohol, stimulants, opioids, sedatives, cannabis, medications, and withdrawal states can all produce symptoms that resemble a depressive episode.
Clinicians may consider:
- Did depression exist before heavy substance use?
- Do depressive episodes occur during sustained periods without intoxication or withdrawal?
- Did symptoms begin shortly after a drug or medication change?
- Do symptoms improve as withdrawal resolves?
- Has the person experienced previous independent depressive episodes?
- Is there a family history of mood disorders?
- Are sleep deprivation or medical conditions contributing?
- Has the person ever experienced mania or hypomania?
Someone can also have both MDD and substance-induced worsening of depressive symptoms.
A structured period away from active substance use can sometimes make the underlying psychiatric picture easier to understand.
What Does Depression Actually Feel Like?
Depression is often described primarily as sadness, but many people experience it differently.
Loss of Pleasure and Motivation
Anhedonia is a reduced ability to experience pleasure or interest.
Someone may stop enjoying:
- Relationships
- Sex
- Music
- Food
- Hobbies
- Exercise
- Work accomplishments
- Social activities
- Activities that once gave life meaning
This can be one of the most disabling parts of MDD and is especially relevant when substance use becomes one of the few remaining ways someone can briefly feel relief or pleasure.
Irritability and Anger
Depression can also appear as irritability, frustration, emotional numbness, or anger rather than obvious sadness.
Someone may become increasingly withdrawn, short-tempered, negative, or disconnected from the people around them.
Physical Symptoms
Depression can affect the body as well as mood.
Symptoms can include:
- Fatigue
- Appetite changes
- Sleep disruption
- Headaches
- Digestive problems
- Unexplained aches
- Reduced libido
- Feeling physically slowed down
NIMH recognizes persistent physical symptoms without another clear cause as part of the clinical picture for some people with depression. National Institute of Mental Health
“High-Functioning” Depression
“High-functioning depression” is not a formal DSM-5-TR diagnosis, but the phrase is often used informally to describe someone who remains outwardly productive while experiencing significant depressive symptoms.
A person may:
- Keep going to work
- Maintain appearances
- Care for children
- Meet deadlines
- Socialize when required
while privately experiencing hopelessness, exhaustion, anhedonia, guilt, substance use, or suicidal thinking.
Functioning in some areas does not automatically mean depression is mild.
Major Depression With Psychotic Features
Severe major depression can sometimes include psychosis.
Psychotic symptoms may include:
- Hallucinations
- Delusions
- Extreme guilt
- Beliefs that something terrible has happened despite evidence otherwise
- Paranoid beliefs
- Severe nihilistic thinking
Psychotic depression requires careful psychiatric evaluation and generally requires a different treatment approach than uncomplicated mild depression.
Substance use can make this diagnosis more complex because stimulants, cannabis, hallucinogens, withdrawal states, or other drugs can also cause psychotic symptoms.
Brooks provides additional information about drug-induced psychosis and how substance-related psychosis can overlap with other psychiatric conditions.
Treatment for Major Depressive Disorder and Addiction in Tennessee
Treating one disorder while ignoring the other can leave major parts of the clinical picture unaddressed.
For someone with depression and substance use disorder, effective care may need to address:
- Withdrawal
- Cravings
- Depressive symptoms
- Suicide risk
- Medication
- Sleep
- Trauma
- Anxiety
- Relationships
- Motivation
- Routine
- Relapse risk
- Living environment
Brooks’ dual-diagnosis treatment integrates substance-use recovery with treatment for appropriate co-occurring mental health conditions.
Medical Detox and Stabilization
When physical dependence on alcohol, benzodiazepines, opioids, or another substance is present, care may begin with medical detox and stabilization.
Detox is not treatment for depression by itself.
It can provide a period in which clinicians monitor:
- Withdrawal symptoms
- Mood
- Sleep
- Suicidal thinking
- Psychiatric symptoms
- Current medications
- Medical stability
- Changes in symptoms as intoxication resolves
This can also help clarify how much of the depressive presentation is related to active substance exposure.
Residential Dual-Diagnosis Treatment
Following stabilization, appropriate patients may continue into residential treatment at Brooks.
Residential structure can be valuable when depression and substance use have disrupted:
- Sleep
- Eating
- Self-care
- Medication adherence
- Relationships
- Work
- Recovery support
- Daily routine
- Ability to remain abstinent
- Motivation to attend treatment
The purpose is not simply to remove alcohol or drugs. Residential treatment creates sustained time to address the substance-use disorder, depressive symptoms, behavioral patterns, and recovery environment together.
Therapy for Major Depressive Disorder and Addiction
Psychotherapy is an established treatment for depression.
The American Psychological Association recommends multiple psychotherapies for depression in adults, including Cognitive Behavioral Therapy and several other structured approaches. American Psychological Association
Brooks incorporates therapies available within our program according to the individual treatment plan.
Cognitive Behavioral Therapy
Cognitive Behavioral Therapy is one of the most extensively studied therapies for depression.
CBT can help patients identify relationships among:
- Thoughts
- Mood
- Behavior
- Avoidance
- Substance use
- Cravings
- Relationships
- Daily routines
Depression can create self-reinforcing patterns. Someone feels hopeless, withdraws from activity, experiences less positive reinforcement, feels worse, and becomes even less active.
CBT works in part by helping patients identify and interrupt these patterns.
Behavioral Activation
One of the especially useful concepts in depression treatment is behavioral activation.
Depression often causes someone to stop doing things that provide:
- Meaning
- Connection
- Accomplishment
- Pleasure
- Exercise
- Structure
Waiting until motivation returns can keep the cycle going.
Behavioral activation instead focuses on gradually rebuilding healthy activity even before mood fully improves.
This can also be useful during addiction recovery, when the person’s previous routine may have revolved around drinking or drug use.
Dialectical Behavior Therapy
Dialectical Behavior Therapy focuses on emotional regulation, distress tolerance, mindfulness, and interpersonal effectiveness.
DBT skills can be useful when depression occurs alongside:
- Intense emotional distress
- Impulsive substance use
- Interpersonal conflict
- Difficulty tolerating cravings
- Self-destructive behavior
Trauma-Informed Therapy
Trauma can contribute to depression and substance use for some people, although trauma should not automatically be assumed to explain every case of MDD.
When relevant, Trauma-Informed Therapy allows past experiences and trauma-related symptoms to be addressed within a treatment environment focused on safety and individualized care.
Experiential Therapy
Experiential Therapy can provide structured opportunities to work on emotions, communication, coping, relationships, and self-awareness beyond traditional talk therapy.
Brainspotting
Brainspotting Therapy may be incorporated when clinically appropriate, particularly when trauma or unresolved emotional experiences are relevant to the individualized treatment plan.
Medication Treatment for Major Depressive Disorder
Antidepressant medication is an established treatment for MDD, particularly for moderate to severe depression.
NIMH explains that antidepressants typically take several weeks to produce their full benefit, with sleep, appetite, or concentration sometimes improving before mood. National Institute of Mental Health
Common medication classes include:
- SSRIs such as sertraline, escitalopram, fluoxetine, and others
- SNRIs such as venlafaxine or duloxetine
- NDRIs such as bupropion
- Other antidepressant classes used according to individual needs
The APA depression guideline includes second-generation antidepressants among recommended adult depression treatments. American Psychological Association
Choosing an Antidepressant When Substance Use Is Also Present
Co-occurring addiction can make medication selection more complicated.
Clinicians may consider:
- The substance involved
- Withdrawal
- Overdose risk
- Seizure history
- Liver or kidney health
- Other prescriptions
- Medication interactions
- Previous antidepressant response
- Bipolar symptoms
- Sleep
- Anxiety
- Adherence
- Suicide risk
Medication should therefore be individualized rather than treating every person with depression and addiction with the same antidepressant.
Antidepressants Should Not Be Stopped Suddenly Without Guidance
Someone who feels better or experiences side effects should talk with their prescriber before stopping medication.
Abruptly discontinuing certain antidepressants can produce discontinuation symptoms and can also increase the risk of depressive symptoms returning.
Psychiatric medications should be changed based on the individual’s clinical situation rather than internet taper instructions.
What Is Treatment-Resistant Depression?
Treatment-resistant depression generally refers to depression that has not improved sufficiently after at least two adequate antidepressant treatment attempts.
This does not mean someone is “untreatable.”
A clinician may need to reconsider:
- The diagnosis
- Medication dose
- Duration of previous trials
- Medication adherence
- Bipolar disorder
- Substance use
- Sleep disorders
- Medical conditions
- Psychotherapy
- Other treatment options
NIMH recognizes treatment-resistant depression and discusses additional options such as augmentation, esketamine, and brain-stimulation therapies. National Institute of Mental Health
Esketamine, TMS, and ECT
Some patients with severe or treatment-resistant depression require specialty interventions beyond routine psychotherapy and antidepressant management.
These can include:
- Esketamine
- Transcranial Magnetic Stimulation (TMS)
- Electroconvulsive Therapy (ECT)
- Other specialized brain-stimulation treatments
FDA expanded the indication for Spravato® (esketamine) in 2025 so it can be used for adult treatment-resistant depression either as monotherapy or with an oral antidepressant. It must be administered under medical supervision because of risks including sedation, dissociation, respiratory depression, and misuse. U.S. Food and Drug Administration
Some people need specialty psychiatric treatment or coordination beyond the services available at Brooks. A clinical assessment can help determine when additional specialty care is appropriate.
Sleep, Routine, and Depression Recovery
Depression can disrupt the basic rhythms of daily life.
Someone may:
- Stay awake late into the night
- Sleep throughout the day
- Stop eating regularly
- Stop exercising
- Miss medications
- Isolate
- Stop completing basic household tasks
- Lose contact with supportive people
Substance use can amplify those disruptions.
A structured recovery environment can help rebuild:
- Consistent sleep
- Meals
- Medication routines
- Therapy attendance
- Physical activity
- Social connection
- Recovery meetings
- Personal responsibility
These changes may sound simple, but daily structure can become a major part of restoring functioning when depression and addiction have dismantled routine.
Depression, Anhedonia, and Addiction Recovery
One of the most challenging parts of depression and early substance recovery can be feeling that nothing is enjoyable anymore.
Alcohol and drugs can become powerful sources of short-term reward. When those substances are removed, ordinary activities may initially feel flat or unrewarding, particularly when MDD is also present.
Treatment can help patients gradually reconnect with:
- Relationships
- Recreation
- Meaningful work
- Spiritual life
- Exercise
- Hobbies
- Community
- Accomplishment
- Recovery relationships
This is one reason simply telling someone to “stay busy” is not the same thing as treating depression. Anhedonia is a clinical symptom that can require psychotherapy, medication, time, behavioral activation, and continued support.
When Depression Requires Emergency Help
Depression can become a life-threatening condition.
Immediate professional help is needed when someone:
- Has suicidal intent
- Has a suicide plan
- Has access to the means and intends to act
- Has recently attempted suicide
- Is unable to remain safe
- Experiences severe psychosis
- Stops eating or drinking to a medically dangerous degree
- Becomes unable to care for basic needs
- Is severely intoxicated while suicidal
- Shows rapidly worsening behavior that creates immediate danger
For an immediate life-threatening emergency, call 911.
If you or someone you know is experiencing suicidal thoughts or a mental health crisis in the United States, call or text 988 to reach the Suicide & Crisis Lifeline. NIMH recommends immediate crisis support for suicidal thoughts or behavior. National Institute of Mental Health
Continuing Care After Residential Treatment
Major depressive disorder can be recurrent, and substance use disorders also require continued recovery planning.
Someone may feel considerably better by the end of residential treatment without being finished with depression care.
Continuing treatment may include:
- Psychiatric follow-up
- Antidepressant medication management
- Individual therapy
- Substance-use treatment
- Peer recovery support
- Family involvement
- Mood monitoring
- Sleep and routine
- Exercise and wellness
- Safety planning
- Relapse-prevention planning
Partial Hospitalization Program
Brooks’ Partial Hospitalization Program provides intensive daytime clinical treatment for medically stable patients who continue to need substantial support after residential care.
PHP can include therapy, medication follow-up when appropriate, recovery education, relapse-prevention planning, and continued attention to co-occurring depressive symptoms.
Eligible patients who need structured housing while participating in PHP may use supportive housing in Tullahoma.
Sober Living
For eligible individuals who no longer need intensive clinical care but continue to benefit from accountability and a substance-free recovery environment, Brooks provides sober living in Tullahoma.
This can provide additional structure while someone returns to work, family responsibilities, relationships, transportation, finances, community treatment, and everyday life.
Why Choose Brooks for Depression and Addiction Treatment in Tennessee?
Brooks Healing Center provides integrated treatment for substance use and co-occurring depression between Nashville and Chattanooga in Normandy, Tennessee.
The treatment process does not assume that every depressive symptom comes from addiction or that stopping substances automatically resolves Major Depressive Disorder.
Instead, treatment can evaluate:
- Major depressive symptoms
- Substance-use history
- Withdrawal
- Alcohol and drug cravings
- Suicide and safety risk
- Sleep
- Anxiety
- Trauma when relevant
- Bipolar symptoms
- Psychotic symptoms
- Medication history
- Previous depression treatment
- Recovery environment
- Relapse patterns
Brooks is accredited by The Joint Commission and licensed by the Tennessee Department of Mental Health and Substance Abuse Services.
Depending on clinical need, the Brooks continuum can include:
- Medical detox and stabilization
- Residential dual-diagnosis treatment
- Psychiatric and medication support when clinically appropriate
- Individual and group therapy
- Cognitive Behavioral Therapy
- Dialectical Behavior Therapy
- Trauma-Informed Therapy
- Experiential Therapy
- Brainspotting
- Relapse-prevention planning
- Partial Hospitalization Program
- Supportive PHP housing
- Sober living
- Continuing recovery planning
The distinction here is important: depression and substance use are evaluated as interacting clinical problems rather than treating depression as merely a “root cause” of addiction or assuming addiction explains every depressive symptom.
Does Insurance Cover Depression and Dual-Diagnosis Treatment?
Many commercial health insurance plans include benefits for mental health and substance use treatment, although coverage depends on the individual policy, diagnoses, medical necessity, recommended level of care, network status, deductible, coinsurance, and authorization requirements.
Brooks’ admissions team can verify your insurance benefits before admission and explain the information provided by your insurance carrier.
Insurance verification does not guarantee payment, but it can help patients and families understand what benefits may be available.
Get Help for Depression and Addiction in Tennessee
Depression can make recovery from addiction feel impossible, while alcohol or drugs can make depression feel increasingly hopeless. Neither condition has to be solved before the other deserves attention.
When Major Depressive Disorder and substance use occur together, treatment can address the interaction between mood, cravings, withdrawal, sleep, medications, relationships, coping, and everyday functioning instead of dividing the person into separate problems.
Brooks Healing Center provides integrated treatment for adults with co-occurring depression and substance use through stabilization when appropriate, residential treatment, individualized therapy, psychiatric and medication support when clinically appropriate, PHP, supportive housing, sober living, and continuing recovery planning.
Frequently Asked Questions About Major Depressive Disorder and Addiction
What Are the Symptoms of Major Depressive Disorder?
Major Depressive Disorder can include persistent sadness or emptiness, loss of interest or pleasure, changes in sleep or appetite, fatigue, difficulty concentrating, feelings of worthlessness or excessive guilt, psychomotor changes, hopelessness, and recurrent thoughts of death or suicide.
Symptoms generally persist for at least two weeks and cause meaningful distress or impairment.
What Causes Depression?
There is no single cause of Major Depressive Disorder.
Genetic, biological, environmental, psychological, medical, and social factors can all contribute. Stress, trauma, family history, sleep, chronic illness, and substance use may also influence risk.
Depression should not be reduced to a simple “chemical imbalance.”
What Is the Difference Between Depression and Major Depressive Disorder?
The word depression is used broadly.
Someone may say they feel depressed after a loss, stressful week, or disappointing event without meeting criteria for a depressive disorder.
Major Depressive Disorder involves a defined clinical pattern of persistent symptoms, impairment, and episode duration.
What Is the Difference Between Major Depression and Bipolar Depression?
The depressive episode itself can look very similar.
The difference depends on whether the person has ever experienced mania or hypomania. A history of mania or hypomania points toward bipolar disorder rather than MDD.
Brooks’ Bipolar I and Bipolar II guide explains this distinction in greater detail.
Can Drugs or Alcohol Cause Depression?
They can cause or worsen depressive symptoms.
Intoxication, withdrawal, sleep disruption, medication interactions, and the consequences of substance use can all affect mood.
Some people have substance-induced depressive symptoms, some have independent Major Depressive Disorder, and some have both.
Can Depression Lead to Addiction?
Depression does not automatically cause addiction, but it can increase vulnerability to substance use.
Some people begin using alcohol or drugs to temporarily relieve sadness, anxiety, insomnia, loneliness, low energy, or emotional pain. Repeated use can eventually create a separate substance use disorder.
Can Major Depression and Addiction Be Treated at the Same Time?
Yes.
Integrated treatment is generally preferred when a mental health disorder and substance use disorder coexist. SAMHSA specifically recommends coordinated treatment for co-occurring mental health and substance use disorders. SAMHSA
Is There Medication for Major Depressive Disorder?
Yes.
Several classes of antidepressant medications are FDA approved for depression, including SSRIs, SNRIs, and other antidepressants.
Medication selection depends on symptoms, previous response, side effects, medical history, other medications, substance use, bipolar risk, and individual preferences.
How Long Do Antidepressants Take to Work?
Antidepressants usually require time.
NIMH notes that they commonly take approximately four to eight weeks to produce their full effect, although sleep, appetite, or concentration can sometimes improve before mood does. National Institute of Mental Health
Does Everyone With Depression Need Medication?
No.
Treatment depends on severity, symptoms, patient preferences, previous treatment, medical history, and clinical needs.
Psychotherapy may be used by itself for some milder depression presentations, while moderate or severe MDD more commonly includes medication as part of the initial treatment plan. National Institute of Mental Health
What Is Treatment-Resistant Depression?
Treatment-resistant depression generally refers to depression that has not improved adequately after at least two appropriate antidepressant treatment attempts.
That may lead clinicians to reconsider the diagnosis, adjust medication strategies, add psychotherapy, use augmentation, or consider specialty treatments such as esketamine or brain stimulation.
Can Depression Cause Psychosis?
Severe Major Depressive Disorder can include psychotic symptoms.
These may involve hallucinations or delusions, often consistent with themes of guilt, worthlessness, illness, punishment, or hopelessness.
Psychotic depression requires prompt psychiatric evaluation.
Can Someone Be Depressed and Still Go to Work Every Day?
Yes.
Some people with significant depression continue working, parenting, attending school, or maintaining social appearances.
Outward functioning does not reliably indicate the severity of internal symptoms, and “high-functioning depression” is an informal phrase rather than a formal diagnosis.
How Long Does Dual-Diagnosis Treatment Last?
There is no one treatment duration that is appropriate for every patient.
Length of care depends on:
- Substance involved
- Withdrawal needs
- Severity of depression
- Safety risk
- Progress in treatment
- Medication needs
- Recovery environment
- Insurance authorization
- Continued level-of-care needs
Some patients transition from residential care into PHP and later into community treatment rather than treating recovery as one fixed 30-, 60-, or 90-day episode.
Can Addiction Be Cured?
Substance use disorders are treatable, and many people achieve sustained recovery.
Recovery often involves ongoing management rather than viewing treatment as a one-time event. Therapy, peer support, medication when appropriate, changes in environment, relapse-prevention skills, and continued mental-health treatment can all support long-term recovery.
Does Brooks Treat Depression and Substance Use Together?
Yes.
Brooks provides integrated dual-diagnosis treatment for clinically appropriate adults experiencing Major Depressive Disorder alongside substance use concerns.
Treatment may address withdrawal or stabilization, depressive symptoms, substance-use patterns, medications, therapy, sleep, coping, relapse prevention, and continuing-care planning within a coordinated treatment approach.
Does Brooks Provide Residential Treatment for Depression and Addiction?
For clinically appropriate adults experiencing depression alongside substance use, Brooks provides residential dual-diagnosis treatment between Nashville and Chattanooga in Normandy, Tennessee.
The appropriate level of care depends on substance use, depressive symptoms, medical needs, suicide and safety risk, psychiatric stability, treatment history, and the recovery environment.
Sources
American Psychological Association. (2025). Clinical practice guideline for the treatment of depression across three age cohorts. https://www.apa.org/depression-guideline/
American Psychological Association. (n.d.). Depression treatments for adults. https://www.apa.org/depression-guideline/adults/
De Filippis, S., Martinotti, G., Nicoletti, F., Mastrostefano, A., Trovini, G., Pugliese, A., & Di Nicola, M. (2025). Major depression in comorbidity with substance use disorders: Patients’ features and clinical-neurobiological rationale of antidepressant treatments. Current Neuropharmacology, 23(3), 256–275. https://pubmed.ncbi.nlm.nih.gov/39219428/
National Institute of Mental Health. (2024). Depression. https://www.nimh.nih.gov/health/publications/depression
National Institute of Mental Health. (n.d.). Depression. https://www.nimh.nih.gov/health/topics/depression
Substance Abuse and Mental Health Services Administration. (2026). Key substance use and mental health indicators in the United States: Results from the 2025 National Survey on Drug Use and Health. https://www.samhsa.gov/data/sites/default/files/reports/rpt57150/2025-nsduh-annual-national-report.pdf
Substance Abuse and Mental Health Services Administration. (n.d.). Screening and treatment of co-occurring disorders. https://www.samhsa.gov/mental-health/serious-mental-illness/co-occurring-disorders
Substance Abuse and Mental Health Services Administration. (n.d.). Mental health and substance use co-occurring disorders. https://www.samhsa.gov/mental-health/what-is-mental-health/conditions/co-occurring-disorders
Tennessee Department of Mental Health and Substance Abuse Services. (n.d.). Co-occurring disorders. https://www.tn.gov/behavioral-health/substance-abuse-services/treatment/co-occurring-disorders.html
U.S. Food and Drug Administration. (2025). Spravato (esketamine) nasal spray [Prescribing information]. https://www.accessdata.fda.gov/drugsatfda_docs/label/2025/211243s016lbl.pdf