Bipolar Disorder: Symptoms, Types and Treatment Options

Bipolar Disorder: Symptoms, Types and Treatment Options

Bipolar disorder is a long-term mental health condition that causes clear shifts in mood, energy, activity and concentration, swinging between "up" periods called mania or hypomania and "down" periods of depression. It is usually managed for life with a mix of mood-stabilizing medicine (such as lithium), talk therapy and steady daily routines. With the right plan, many people with bipolar disorder work, study, raise families and live full lives.

This article is for general information and is not medical advice.

Key takeaways

  • Bipolar disorder involves episodes of mania or hypomania (abnormally high or irritable mood and energy) and episodes of depression, and it often starts between ages 15 and 25.
  • The three main types are bipolar I, bipolar II and cyclothymic disorder, which differ by how severe and how long the "up" episodes are.
  • Mood stabilizers such as lithium and valproate, along with certain antipsychotics, are core treatments; antidepressants are not used on their own.
  • Therapies such as cognitive behavioral therapy, family-focused therapy and interpersonal and social rhythm therapy lower the chance of relapse.
  • Regular sleep, a predictable routine, avoiding alcohol and drugs, and tracking your mood help keep you stable between episodes.

What is bipolar disorder?

Bipolar disorder, once called manic-depressive illness, is a mental illness that causes marked changes in mood, energy, activity levels and the ability to focus, according to the National Institute of Mental Health (NIMH). These changes come in distinct episodes, not the ordinary ups and downs everyone has.

An episode is a stretch of time, usually a week or two or longer, when symptoms are present most of the day, nearly every day. The condition is more common than many realize: the World Health Organization estimates that about 1 in 226 people, or roughly 36 million worldwide, live with bipolar disorder. MedlinePlus notes it most often begins between ages 15 and 25.

It is a medical condition, not a character flaw, and a good treatment plan can help you manage symptoms and improve your quality of life.

How do mania, hypomania and depression differ?

Mania is an intensely elevated or irritable state that disrupts daily life and may need hospital care, hypomania is a milder version that does not cause the same level of disruption, and depression is a low period of sadness, emptiness or hopelessness. The table below compares common signs drawn from NIMH's bipolar disorder guide and the WHO fact sheet.

FeatureManiaHypomaniaDepression
MoodVery high, elated, or very irritable and touchyUpbeat, energetic or irritable, but less intenseSad, anxious, empty or hopeless
SleepGreatly reduced need for sleepLess sleep without feeling tiredInsomnia, early waking or sleeping too much
Thinking and speechRacing thoughts, fast speech, jumping between topicsFaster thinking, more talkativeSlowed speech, poor focus, trouble making decisions
BehaviorRisky spending, gambling, substance use, inflated sense of selfMore active and productive, sometimes impulsiveLoss of interest in nearly everything, low energy
Impact on daily lifeSevere; may need hospital care; can include psychosisNoticeable to others but less disruptiveCan make simple tasks feel impossible; may include thoughts of death or suicide

Psychosis means losing touch with reality, for example through hallucinations (seeing or hearing things others do not) or delusions (fixed false beliefs). It can occur during severe mania or depression. Some people have mixed states, with mania and depression symptoms at once.

Hypomania can feel good, so it is easy to miss; family and friends often notice it first. MedlinePlus also notes that depressive episodes are more common than manic ones, which is one reason bipolar disorder is sometimes mistaken for depression and its usual treatment path.

What are bipolar I, bipolar II and cyclothymic disorder?

The three main types differ in how strong and how long the "up" phases are: bipolar I involves full mania, bipolar II involves hypomania plus depression, and cyclothymic disorder involves milder, ongoing mood swings that do not meet the threshold for full episodes.

  • Bipolar I disorder: manic episodes that last at least 7 days, or are severe enough to need hospital care. Depressive episodes, typically lasting at least 2 weeks, usually occur too.
  • Bipolar II disorder: a pattern of depressive episodes and hypomanic episodes, with no full mania. Many people spend long stretches in a low-grade depressed state, and bipolar II is not a "mild" form of the illness.
  • Cyclothymic disorder: repeated hypomanic and depressive symptoms that are not intense enough or long enough to count as episodes, but that still affect your life.

Doctors may also use the term rapid cycling, which NIMH defines as four or more manic or depressive episodes within a year.

What causes bipolar disorder and who is at risk?

No single cause has been found; bipolar disorder appears to come from a mix of genes, brain differences and life events. It runs in families, but having a relative with the condition does not mean you will develop it.

According to NIMH, many genes are involved, each adding a small amount of risk. Even identical twins do not always both develop the illness, and genetic risk may be raised by trauma or stressful life events. The WHO lists biological, psychological and social factors, and notes that hard events such as bereavement, violence or a relationship ending, as well as alcohol or drug use, can trigger or worsen symptoms.

MedlinePlus lists known triggers for mania: lost sleep, childbirth, certain medicines such as antidepressants or steroids, and recreational drugs.

How is bipolar disorder diagnosed?

A doctor or mental health professional diagnoses bipolar disorder by looking at the pattern, severity and length of your mood symptoms over your lifetime, along with your family history, after ruling out other medical causes. There is no single blood test or brain scan that confirms it.

Your primary care provider may do a physical exam and order lab tests to rule out conditions that can mimic mood symptoms, such as thyroid disease, and review any medicines or substances you use. They may then refer you to a psychiatrist. If you are unsure who does what, this explainer on psychologists, psychiatrists and therapists can help you choose.

NIMH notes that diagnosis is often delayed for years. People with bipolar II, in particular, may only seek help when they are depressed, so the "up" periods never come up. This matters because treating depression with an antidepressant alone can trigger mania or rapid cycling. A written record of past high-energy periods can help.

What treatments work for bipolar disorder?

The most effective approach combines medicine to stabilize mood with talk therapy and healthy routines. Treatment is usually long-term, and finding the right combination can take some time and adjustment.

Medicines

  • Mood stabilizers: medicines that help prevent episodes or make them less severe. Lithium and valproate are common examples. NIMH notes that lithium can also lower the risk of suicide. Lithium needs regular blood tests, because the right dose range is narrow; the WHO says it requires clinical and laboratory monitoring.
  • Atypical antipsychotics: a newer group of antipsychotic medicines often used for mania and for bipolar depression, alone or with a mood stabilizer.
  • Antidepressants: sometimes added during depression, but only alongside a mood stabilizer or antipsychotic, never on their own, because they can set off mania.

Side effects such as sleepiness, tremor and weight gain are common reasons people stop treatment, so tell your prescriber about them rather than stopping. The WHO advises that valproate should not be used by women and girls who are pregnant, breastfeeding or could become pregnant, and that lithium and carbamazepine be avoided in pregnancy where possible. If you are pregnant or planning a pregnancy, the NHS advises talking to your doctor, since some bipolar medicines are not safe in pregnancy.

Psychotherapy

Psychotherapy (talk therapy) helps you spot early warning signs and handle stress. Options include:

  • Cognitive behavioral therapy (CBT): helps you change unhelpful thought and behavior patterns; see how cognitive behavioral therapy works. A version for insomnia can be especially useful in bipolar depression.
  • Family-focused therapy: involves loved ones and improves communication and problem-solving at home.
  • Interpersonal and social rhythm therapy: helps you keep regular daily rhythms (sleep, meals, activity) and manage relationship stress.
  • Psychoeducation: learning about the illness itself, which the WHO says can lower the risk of relapse.

Other options

When medicines have not helped, or a fast response is needed because of suicide risk, electroconvulsive therapy (ECT) may be considered. Light therapy may help some people whose depression worsens in winter (see how seasonal affective disorder differs from the winter blues). NIMH notes that the FDA has not approved any supplement or complementary approach for bipolar disorder, so check with your care team before trying one.

Daily routines that help you stay steady

Medicine and therapy work best when your daily life supports them. The NHS and NIMH both recommend a predictable routine:

  1. Fix your sleep window. Go to bed and wake up at the same time every day, including weekends. Lost sleep is a known trigger for mania. These sleep hygiene habits can help.
  2. Take medicine at the same time each day. A pill organizer or phone reminder helps.
  3. Track your mood. Keep a simple mood chart or journal noting mood, sleep hours, energy and any triggers. Patterns help you and your doctor catch episodes early.
  4. Move your body. Regular exercise such as walking, swimming or cycling supports mood and sleep.
  5. Limit alcohol, caffeine and drugs. The NHS advises avoiding recreational drugs and heavy drinking, and cutting back on caffeine.
  6. Manage stress and protect your schedule. Where possible, avoid night shifts and long overnight travel across time zones. A daily stress management toolkit can make tough days easier.
  7. Write a relapse plan. List your personal early warning signs, who to call, and what steps you and your support people agreed to take.

Common mistakes to avoid

  • Stopping medicine because you feel well. Feeling better often means treatment is working. MedlinePlus and the NHS both warn that stopping or changing doses without your doctor can bring symptoms back.
  • Treating only the depression. If you have ever had high-energy periods, tell your doctor; an antidepressant alone can trigger mania.
  • Ignoring hypomania. Feeling unusually productive or needing little sleep can be an early warning sign, not just a good week.
  • Skipping blood tests. If you take lithium, regular blood checks keep your dose safe.
  • Going it alone. MedlinePlus notes family involvement may lower the chance of relapse.

When to see a doctor

See a doctor or mental health professional if you notice mood swings that affect your work, relationships or sleep, or if you have had periods of unusually high energy alongside periods of depression. Contact your care team promptly if symptoms worsen or side effects trouble you.

Get help right away if you or someone you know has any of these crisis signs:

  • Thoughts of suicide, talking about wanting to die, or making a plan
  • Urges to harm yourself or someone else
  • Seeing or hearing things others do not, or holding beliefs that are clearly out of touch with reality
  • Signs of mania, such as going days without sleep, reckless spending or dangerous risk-taking
  • Feeling hopeless or overwhelmed, or being unable to leave the house or care for yourself

In the US, you can call or text 988 to reach the 988 Suicide and Crisis Lifeline, which offers free, confidential support 24 hours a day, or chat online. If someone is in immediate danger, call 911 or go to the nearest emergency room. Outside the US, contact your local emergency number. Reaching out is a sign of strength.

Frequently asked questions

Can bipolar disorder be cured?

There is no cure, but bipolar disorder is very treatable. With ongoing medicine, therapy and routines, many people have long stretches with few or no symptoms.

Do I have to take lithium forever?

Not necessarily. The WHO says adults in full remission usually continue a mood stabilizer or antipsychotic for at least six months, and people with several past episodes often benefit from longer treatment. Decide with your prescriber, and never stop suddenly on your own.

Is bipolar II milder than bipolar I?

Not really. Bipolar II has no full mania, but its depressive periods can be long and severe. It is a different pattern, not a lesser illness.

Can children have bipolar disorder?

Yes, though it most often starts in the teens or early twenties. A child or teen with extreme mood changes should be checked by a doctor.

What to do next

  • If you think you may have bipolar disorder, book an appointment with your doctor and bring notes on your mood, sleep and energy over the past months.
  • If you are already diagnosed, review your relapse plan and medicine schedule with your care team.
  • Save 988 in your phone so it is there if you or someone you love ever needs it.

Sources

Last reviewed: November 2026.

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