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Bipolar Disorder

Understanding Bipolar Disorder — what it is, the signs people notice, and where to find support. Educational, not a diagnosis.

By the Emotionally Me team · Last updated: 17 July 2026

What is bipolar disorder?

Bipolar disorder is a mental health condition involving significant shifts in mood, energy and activity — periods of feeling very high (mania or hypomania) and periods of feeling very low (depression), often with more stable stretches in between. These shifts are more extreme and longer-lasting than ordinary mood changes. It is a lifelong condition, but with the right support many people live full, stable lives.

What are the common signs and experiences of bipolar disorder?

During highs (mania or hypomania) people may feel euphoric or unstoppable, need little sleep, talk quickly, have racing thoughts, take risks or spend impulsively; severe mania can include losing touch with reality. During lows they may feel deeply depressed, exhausted and hopeless, and lose interest in life, sometimes with thoughts of self-harm. The pattern and length of episodes vary a lot from person to person.

How do I know if I might have bipolar disorder?

A key clue is the pattern: distinct episodes of unusually high mood and energy as well as episodes of depression — not just day-to-day ups and downs. Highs can feel good at the time, so it is often the lows that bring people to seek help. Bipolar is easily confused with other conditions, so this is not something to self-diagnose — a specialist assessment is important.

What causes bipolar disorder?

The exact cause is not fully understood, but it involves a mix of genetics (it often runs in families), brain chemistry and life factors. Stressful or traumatic experiences, major life changes, or periods of intense pressure can trigger episodes in someone who is vulnerable to them. It is no one's fault, and it is not caused by weakness of character.

Is bipolar disorder the same as ordinary mood swings?

No. Everyone has mood swings, but bipolar episodes are more intense, last much longer (days to weeks or more) and significantly affect functioning, sleep and judgement. A 'high' is not just a good mood — it can carry real risk. It is also different from the rapid, hours-long emotional shifts seen in EUPD/BPD (see that sheet). Getting the right diagnosis matters, because the support differs.

How is bipolar disorder diagnosed?

In the UK your GP can refer you to a psychiatrist or mental health team, who make the diagnosis. Because episodes happen over time, assessment looks at your whole mood history — including any past highs, which people do not always think to mention. It can take time to diagnose accurately. Bringing a timeline, or someone who knows you well, can help.

What support or treatment options are there?

Bipolar is very manageable with support. Treatment often combines medication (such as mood stabilisers), prescribed and monitored by a specialist, with talking therapies and psychoeducation to help you spot early warning signs. Self-management is powerful — regular sleep, routine, reducing alcohol and drugs, and tracking your mood. A crisis plan agreed in advance can be a real help during difficult periods.

How can I support myself or someone I love with bipolar disorder?

Learn the early warning signs together and agree a plan for both highs and lows. Steady routines, sleep and reducing triggers help a great deal. If you are supporting someone, stay non-judgemental, take any talk of self-harm seriously, and encourage them to stay connected to their treatment. Look after your own wellbeing too — supporting someone can be demanding.

Where can I get help right now?

Your GP is the route to specialist assessment and support. Bipolar UK offers excellent information, peer support and a mood-tracking tool; Mind is also a trusted source. If you or someone you love is in crisis or having thoughts of self-harm, please reach out now — see the support box at the top of this sheet.

Sources & further reading

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