What it is, why it happens, and how treatment can help you get your life back
If you or someone you love has been diagnosed with bipolar disorder, you probably have a lot of questions. What exactly is it? What causes it? And what can be done about it? This guide walks through the basics, from what bipolar disorder actually looks like to the medications and therapies that help most.
What Is Bipolar Disorder?
Bipolar disorder is a brain illness that causes extreme mood swings. People with bipolar disorder cycle through periods of very elevated or irritable mood (called mania or hypomania) and periods of depression. More than 2 million adults in the United States have it.
It’s not a character flaw or a weakness of will. Like diabetes or high blood pressure, bipolar disorder involves real changes in brain chemistry. The illness is not the person’s fault, and it responds to treatment.
How Is It Diagnosed?
There’s no blood test or brain scan that diagnoses bipolar disorder. Instead, a doctor looks at a pattern of symptoms over time. To make an accurate diagnosis, the doctor will want a careful history from you and, if possible, from your family, since they may have noticed things you haven’t.
What Does It Feel Like?
Bipolar disorder produces four kinds of mood episodes.
Mania often starts as a rush of energy, creativity, and confidence. But it quickly tips over into something harder to manage. During a full manic episode, which lasts at least a week, a person may:
- Need little sleep but feel full of energy
- Talk so fast others can’t follow
- Have racing thoughts
- Feel unusually powerful or important
- Make reckless decisions (spending sprees, risky sexual behavior, bad investments)
- In severe cases, experience hallucinations or delusions
People in a manic episode often don’t realize anything is wrong. They may angrily blame anyone who points it out.
Hypomania is a milder form of mania. The person feels unusually good, productive, and energetic. It can feel so pleasant that some people stop their medication to chase it. But hypomania rarely stays mild. It often escalates to full mania or crashes into depression.
Depression in bipolar disorder lasts at least two weeks and includes:
- Deep sadness or loss of interest in things you used to enjoy
- Trouble sleeping or sleeping too much
- Changes in appetite
- Difficulty concentrating or making decisions
- Feeling worthless or guilty
- Thoughts of suicide or death
Mixed episodes combine symptoms of both at the same time. The person feels agitated or excitable but also deeply depressed. These are among the hardest episodes to live through.
Types of Bipolar Disorder
Bipolar I Disorder involves full manic episodes, almost always paired with depression. Even if a person’s first episode is manic, depression will very likely follow unless they get treatment.
Bipolar II Disorder involves hypomanic episodes (not full mania) and depression. Because hypomania can look like someone is just doing well, bipolar II is easy to miss. A person may seek help only for the depression, and if a doctor prescribes antidepressants without a mood stabilizer, the medication can actually trigger a manic episode.
Rapid cycling means a person has four or more mood episodes in a year. It affects about 5 to 15 percent of people with bipolar disorder and is more common in women.
What Causes It?
Bipolar disorder has no single proven cause, but it runs in families. Researchers have identified genes linked to the disorder, though having those genes doesn’t guarantee you’ll develop it. If one parent has bipolar disorder and the other doesn’t, the chance that their child will develop it is relatively small, though greater if more relatives are affected.
The disorder appears to involve problems in the way certain brain cells communicate. This makes the person more vulnerable to stress, sleep disruption, and substances. Stressful events don’t cause bipolar disorder, but they can trigger episodes in people who already carry the vulnerability.
When Does It Start?
Bipolar disorder most often appears in adolescence or early adulthood. When someone over 50 has a first manic episode, doctors look for other causes, such as a neurological condition, a medication side effect, or drug or alcohol use.
Why Early Diagnosis Matters
People with bipolar disorder see three or four doctors on average before getting a correct diagnosis, and may wait more than eight years. The delay has real costs. Untreated bipolar disorder raises the risk of suicide, substance abuse, relationship problems, and job loss. More than half of people with bipolar disorder abuse alcohol or drugs at some point, often as an attempt to manage their symptoms. It makes things worse, not better.
A person misdiagnosed with depression alone who receives antidepressants without a mood stabilizer may find the medication triggers mania and accelerates the illness.
How Is Bipolar Disorder Treated?
Treatment has two phases. During an acute phase, the goal is to calm the current episode, whether it’s mania, depression, or a mixed state. During the maintenance phase, the goal is to prevent new episodes from happening.
The main tools are medication, therapy, education, and support groups. Most people need a combination of all four.
Medications
The backbone of treatment is mood stabilizers. These medications reduce the severity and frequency of mood episodes without triggering depression or mania. The most established ones are:
Lithium (Eskalith, Lithobid) has been used for 70 years and works especially well for euphoric mania. It also helps depression. Your doctor will monitor your blood lithium levels regularly to keep the dose in the right range. Common side effects include weight gain, tremor, nausea, and increased urination. Lithium can affect the thyroid and kidneys over time, so periodic blood tests are part of the routine.
Divalproex (Depakote) was originally developed for epilepsy but works well as a mood stabilizer, including in mixed episodes and rapid cycling. It works faster than lithium in acute mania. Side effects include sedation, weight gain, and gastrointestinal upset. Liver function and platelet counts need monitoring.
Lamotrigine (Lamictal) is especially helpful for the depressive phase and for maintenance. It has fewer troublesome side effects than most other mood stabilizers, but there is a small risk (about 0.3%) of a serious skin rash, especially if the dose is increased too quickly. Doctors start it slowly for this reason.
Carbamazepine (Tegretol) works similarly to divalproex. It requires careful monitoring because it interacts with many other medications.
Antipsychotic Medications
A newer generation of antipsychotics, called atypical antipsychotics, has proven effective for bipolar mania even without psychotic symptoms. The FDA has approved several for bipolar disorder, including aripiprazole (Abilify), asenapine (Saphris), lumateperone (Caplyta), lurasidone (Latuda), cariprazine (Vraylar), olanzapine (Zyprexa), quetiapine (Seroquel), risperidone (Risperdal), and ziprasidone (Geodon).
These medications carry a lower risk of the movement disorder tardive dyskinesia compared to older antipsychotics. However, some cause significant weight gain. Because weight gain raises the risk of type 2 diabetes, your doctor will monitor your weight, blood sugar, and cholesterol.
What About Antidepressants?
Antidepressants treat depression symptoms, but in bipolar disorder they must be used with a mood stabilizer. Taken alone, they can tip a person from depression into mania or hypomania, or speed up mood cycling. If your doctor prescribes an antidepressant, it will almost always be alongside a mood stabilizer.
Treating Acute Mania
Manic episodes are treated with a mood stabilizer (lithium or divalproex), an atypical antipsychotic, or a combination of the two. It can take a few weeks to see full results.
Treating Bipolar Depression
For depression, lamotrigine or lithium alone often work. Several antipsychotics are also effective: lurasidone, lumateperone, quetiapine, cariprazine, and olanzapine-fluoxetine combo. If these options do not work, these medications are backed by controlled trials (but lack FDA-approval): Pramipexole (a dopamine enhancer), celecoxib (an anti-inflammatory), thyroid hormone, and modafinil (a wakefulness-promoting agent). Ketamine and esketamine can provide rapid relief for bipolar depression.
Natural Therapies
Several natural therapies help bipolar depression. One of the most effective in light therapy. Others that have both physical and mental benefits include omega-3 fatty acids, coenzyme Q10, and n-acetylcysteine, Supplements vary in quality, as they are not tightly regulated in the US, so we keep a list of products that were verified by independent labs.
For mania, dark therapy and palmitoylethanolamide can enhance medication response.
Managing Side Effects
All medications for bipolar disorder produce side effects in some people, and none in others. Doctors often start with a low dose and increase it slowly to reduce the chances. If a side effect bothers you, tell your doctor. The dose can often be adjusted, or a different medication tried. Don’t stop or adjust your medication on your own. Symptoms that return after stopping medication are often harder to treat the second time.
Neuromodulation (TMS)
An exciting development in the past twenty years is transcranial magnetic stimulation (TMS). In some ways, TMS addresses the underlying cause of bipolar depression, helping neurons to grow and strengthen in areas related to mood (neuroplasticity). TMS works gradually. It is delivered in the office, five days a week, over about six weeks. Although it treats bipolar depression, it is only approved for non-bipolar depression, so insurance coverage is difficult. Devices that can be used at home are under development.
Electroconvulsive Therapy (ECT)
ECT has a reputation problem it doesn’t deserve. For severe depression or mania where someone can’t wait weeks for medication to work (for example, a person who has stopped eating or drinking), ECT is a legitimate and sometimes life-saving option. It’s given under anesthesia, typically in 6 to 10 sessions over a few weeks. The main side effect is temporary memory problems, which usually resolve after treatment.
Therapy
Therapy helps you live more fully with bipolar. It also changes the body in ways that medications do not, stabilizing stress hormones, sleep, and reducing inflammation; all pathways involved in mania and depression.
Three types of therapy have proven especially useful for bipolar disorder:
Cognitive-behavioral therapy (CBT) focuses on recognizing and changing thoughts that lead to depression, learning problem-solving skills, and staying on medication.
Family-focused therapy teaches family members about the illness and improves communication within the household.
Interpersonal therapy addresses relationships and social routines. A component called social rhythm therapy helps stabilize daily schedules, especially the 24-hour sleep-wake cycle, which plays a big role in mood stability.
Therapy works more slowly than medication, sometimes taking two months or more to show its full effects. But the benefits tend to last.
Staying Well Long-Term
Mood-stabilizing medication forms the foundation of long-term care. Some people stay free of symptoms indefinitely on medication alone. Most see a significant reduction in the frequency and severity of episodes. Stopping medication almost always leads to relapse, usually within weeks to months. If lithium is stopped abruptly, the risk of suicide rises sharply, and restarting is harder. If you and your doctor decide to taper off medication, do it gradually under close medical supervision.
When episodes do occur, don’t interpret them as treatment failure. Success in bipolar disorder is measured over the long term, by looking at how often and how severely episodes happen over months and years. Report changes in mood to your doctor early. Adjustments at the first warning sign often prevent a full episode from developing.
When Hospitalization Is Needed
Hospitalization is considered when safety is at risk from suicidal, homicidal, or violent impulses, when severe symptoms require around-the-clock monitoring, or when medication needs close observation. Because mania and depression both impair judgment, people with bipolar disorder are sometimes hospitalized against their wishes. Most are grateful afterward, even if they weren’t at the time.
Things You Can Do to Help Yourself
You play the most important role in managing this illness. Here are habits that reduce mood swings and lower the risk of relapse:
Keep a stable sleep schedule. Go to bed and wake up at the same time every day. Disrupted sleep is one of the most reliable triggers for a mood episode. If you travel across time zones, talk to your doctor in advance.
Maintain a regular routine. Consistent daily rhythms, meals, exercise, social contact, support mood stability.
Avoid alcohol and drugs. They interfere with medications and trigger mood episodes. Even small amounts of alcohol, caffeine, and common over-the-counter cold or pain medications can affect sleep, mood, or your medication’s effectiveness. It may feel unfair to give up a glass of wine with dinner, but for many people these small amounts are enough to destabilize things.
Reduce stress. You don’t have to stop working or withdraw from life, but protecting yourself from unnecessary stress pays dividends. Avoiding relapse is better for your career over the long run than pushing through at all costs.
Learn your early warning signs. Small changes in sleep, energy, mood, self-esteem, or thinking can signal that an episode is brewing. The better you know your pattern, the faster you can get help. Pay special attention to changes in sleep. Loss of judgment often arrives alongside early mania, so ask family members to watch for warning signs you might miss.
Keep a mood chart. A daily mood diary helps you, your doctor, and your family track patterns, triggers, and which medications work best. Your doctor can provide a chart, or a simple journal works too.
Support Groups and Resources
Support groups give you a place to share your experience and learn from others who face the same challenges. Two major organizations sponsor groups nationwide:
Depression and Bipolar Support Alliance (DBSA): www.DBSAlliance.org | 800-826-3632
National Alliance on Mental Illness (NAMI): www.nami.org | 800-950-6264
For Family Members and Friends
Living with someone who has bipolar disorder is not easy. Learning as much as you can about the illness is one of the most useful things you can do. Talk to the person’s doctor if you can. Learn the warning signs of coming mania or depression. When your loved one is well, discuss how you should respond if symptoms return.
Encourage the person to stay in treatment and to see the doctor. If they’re struggling, encourage a second opinion rather than stopping medication on their own.
Take suicide warnings seriously. Any talk of suicide, giving away possessions, or putting affairs in order deserves immediate attention. Call the doctor, another family member, or 911 if the situation becomes dangerous. Privacy is a secondary concern when someone’s life is at risk.
If the person is prone to mania, consider making advance plans together during stable periods: agreements about credit cards, car keys, banking, and when to call for help. Share the caregiving with other family members to avoid burning out.
Try to do things with your loved one during recovery, not just for them. People with bipolar disorder have good days and bad days, just like everyone else. With time and awareness, you’ll learn to tell the difference between a rough day and a true warning sign.
A Note on Hope
Bipolar disorder is a lifelong condition, but it’s also a treatable one. Many people with bipolar disorder lead full, productive lives with the right combination of medication, therapy, and self-care. The surest path to that outcome is becoming as informed as possible, staying engaged with your care, and bringing the people who love you along for the journey.
—Chris Aiken, MD
Director, Psych Partners
Editor in Chief, Carlat Psychiatry Report
