Medically reviewed by Kevin Wandler, MD, Chief Medical Advisor
Bipolar disorder causes dramatic shifts in mood, energy and activity. People with the condition experience periods of mania or hypomania, when they may feel unusually energized, euphoric or irritable, and periods of depression, when life can feel heavy and hopeless. Substance use disorders frequently occur alongside bipolar disorder, and the combination can make both conditions more intense and harder to treat.
This article explains why bipolar disorder and substance use so often go together, how drugs and alcohol affect mood episodes and what integrated treatment looks like. The risk of suicide rises during depressive and mixed episodes. If you or someone you love is thinking about suicide, call or text 988. If someone is in a severe manic episode, is out of touch with reality or is in danger, call 911.
Understanding Bipolar Disorder
Bipolar disorder takes several forms. Bipolar I disorder involves manic episodes that may be severe enough to require hospital care. Bipolar II disorder involves depressive episodes and hypomania, a milder form of mania. Cyclothymic disorder involves ongoing mood swings that are less intense but persistent.
During mania or hypomania, a person may:
- Feel extremely upbeat, wired or irritable
- Need much less sleep without feeling tired
- Talk quickly and jump between racing thoughts
- Feel unusually important or powerful
- Take risks, spend impulsively or make reckless decisions
During depression, the same person may feel sad, empty or hopeless, lose interest in activities, sleep too much or too little, struggle to concentrate and think about death. Some people experience mixed features, with symptoms of both at once.
Why Bipolar Disorder and Substance Use Often Occur Together
Several factors help explain the connection:
- Self-medication. People may drink or use sedatives to slow down racing thoughts or get to sleep during mania, and use stimulants to escape the exhaustion of depression.
- Impulsivity. The risk-taking of manic episodes can include heavy drinking or drug use.
- Shared risk factors. Genetics, brain chemistry and trauma may raise vulnerability to both conditions.
- Chasing a feeling. Some people use substances to recapture the high energy of hypomania or to blunt the crash that follows.
How Substances Affect Bipolar Disorder
Drugs and alcohol do not just coexist with bipolar disorder. They can change its course:
- Triggering episodes. Stimulants can set off manic symptoms, and alcohol can deepen depression. In some people, cannabis has been linked with worsening mood symptoms and psychosis.
- Disrupting sleep. Irregular sleep is a well-known trigger for mood episodes, and most substances interfere with healthy sleep.
- Undermining medication. Substance use can lead to missed doses and can interact with mood-stabilizing medications.
- Raising safety risks. Intoxication combined with impulsivity or depression increases the risk of accidents, self-harm and suicide.
Warning Signs to Watch For
- Drinking or using more during mood episodes
- Stopping prescribed medication to drink or use
- Mood episodes becoming more frequent or severe
- Using substances to sleep or to get going in the morning
- Legal, financial or relationship problems tied to both moods and substance use
Why Diagnosis Can Be Complicated
Substance use can mimic or mask bipolar symptoms. Stimulant use can look like mania, and withdrawal can look like depression. On the other hand, some people with bipolar disorder are diagnosed only with depression or a substance use disorder for years. This matters because treating bipolar depression with an antidepressant alone may trigger mania in some people.
A careful psychiatric evaluation looks at your full history, including mood episodes during periods when you were not using. Honest reporting about substance use helps your care team see the real pattern.
What Integrated Treatment Looks Like
Treating bipolar disorder and substance use separately often leaves gaps. Dual diagnosis treatment brings both into one plan. At Promises Dallas-Fort Worth, integrated care can include:
- Medical detox when withdrawal needs supervision, since withdrawal from alcohol and benzodiazepines can be life-threatening
- Psychiatric evaluation and medication management to stabilize mood
- Medication-assisted treatment for substance use when clinically appropriate
- Cognitive behavioral therapy and dialectical behavior therapy to manage thoughts, emotions and urges
- Education about early warning signs of mood episodes and cravings
- Family therapy so loved ones understand the illness and can support stability
- An aftercare plan that addresses both conditions
Learn more about bipolar disorder treatment at Promises DFW, or read how co-occurring disorders are treated.
Everyday Habits That Support Stability
- Keep a consistent sleep and wake schedule
- Take medications as prescribed and report side effects rather than stopping
- Track your mood daily to spot early changes
- Avoid alcohol and drugs, which can destabilize mood
- Know your personal warning signs and share them with trusted people
How Loved Ones Can Help
Family members are often the first to notice when a mood episode or a return to substance use is starting. Learn the person’s early warning signs, such as sleeping less, talking faster, spending more or withdrawing, and agree ahead of time on what you will do if you see them. Stay calm and specific when raising concerns, and avoid arguing with someone who is manic or intoxicated. Encourage consistent treatment, and take care of yourself as well, since supporting someone through bipolar disorder and addiction can be exhausting.
Frequently Asked Questions
Can drug use cause bipolar disorder?
Substances can trigger mood symptoms that look like bipolar disorder and may bring on episodes in people who are vulnerable. A psychiatric evaluation helps distinguish between the two.
Is it safe to drink alcohol while taking a mood stabilizer?
Alcohol can interfere with mood stabilizers and worsen mood symptoms. Ask your prescriber about your specific medication.
Should both conditions be treated at the same time?
Yes. Integrated treatment helps prevent one condition from undoing progress on the other.
What level of care is right for bipolar disorder and substance use?
It depends on your safety, mood stability and withdrawal risk. Some people start with medical detox and residential care, while others do well in a partial hospitalization or virtual outpatient program.
Find Stability With Integrated Care
Living with bipolar disorder and substance use can feel like riding a roller coaster you cannot get off. Integrated care can help you find steadier ground. Call our admissions team 24/7 at (469) 546-9303, check your insurance or contact us online.