17788 Cyclothymia

Overview

Cyclothymia (pronounced sigh-kloe-THY-mee-uh) is a mood disorder that causes noticeable swings in mood, energy, and behaviour. It is a milder form of bipolar disorder. People with cyclothymia have times of feeling very upbeat and energetic (called hypomania) and other times of feeling low or depressed. These swings are less severe than full bipolar disorder, but they can still interfere with daily life.

Cyclothymia is considered uncommon, but it may be underdiagnosed because the symptoms are often mistaken for normal moodiness or other mental health conditions.

Cyclothymia usually begins in the teenage years or early adulthood. It affects both men and women equally, and it often lasts a lifetime once it appears.

Symptoms

Common symptoms

• Periods of feeling unusually happy, excited, or irritable, with lots of energy (hypomania)
• Periods of feeling sad, hopeless, or tired (mild depression)
• Mood swings that are less extreme than bipolar disorder but still noticeable
• Changes in sleep, appetite, or motivation during mood swings
• Difficulty concentrating or making decisions during low or high phases
• Stable moods for weeks or months at a time, with no clear pattern

Symptoms in children

• In children and teenagers, cyclothymia may look like temper tantrums, moodiness, or behaviour problems at home and school.
• They may have sudden bursts of energy, talk very fast, or act recklessly, followed by periods of sadness or irritability.
• A child's symptoms can be hard to tell apart from typical ups and downs, so a mental health specialist should assess them.

Symptoms in older adults

• In older adults, cyclothymia may be mistaken for memory problems, depression, or the effects of other medical conditions.
• Older adults may be less likely to report mood swings and more likely to focus on physical symptoms like tiredness or aches.

Causes

Main causes

• The exact cause of cyclothymia is not known. It likely involves a combination of genetics, brain chemistry, and environmental factors.
• There may be differences in how certain parts of the brain control mood and emotions.

Risk factors

• Having a close family member with bipolar disorder or cyclothymia
• Experiencing stressful or traumatic life events
• Being under chronic stress, such as work pressure or relationship problems
• Having a personality that is very sensitive to changes in mood or routine

When to see a doctor

See a doctor urgently if:

• If you are having thoughts of suicide, self-harm, or harming someone else, call your local emergency number (such as 911, 999, or 112) immediately.
• If you are in a mental health crisis and need immediate support, go to the nearest emergency department or call your local crisis helpline.

Book a routine appointment if:

• If you notice mood swings that keep coming back and affect your work, school, or relationships, make an appointment with your GP (general practitioner).
• If a family member or friend is concerned about your mood changes, it is worth discussing it with a doctor.

Diagnosis

A doctor or psychiatrist will diagnose cyclothymia by talking with you about your mood patterns, how they affect your life, and your family history. There is no single test for cyclothymia. The doctor needs to see a clear pattern of mood swings over a long period, usually at least two years in adults (one year in teenagers and children).

Tests that may be done

• There are no laboratory tests that confirm cyclothymia.
• A doctor may order blood tests or a physical exam to rule out other conditions that cause mood changes, such as thyroid problems.

What to expect at your appointment

Your doctor may ask you to keep a daily mood diary to track your feelings, energy, sleep, and activities. You may need to attend several appointments over time, and a referral to a mental health specialist may be needed for a full assessment.

Treatment

Treatment for cyclothymia usually focuses on helping you stabilise your mood and cope with daily life. It often includes talking therapies, lifestyle changes, and sometimes medication. The right plan depends on the individual, and it may change over time.

Self-care at home

• Keep a regular sleep routine – aim to go to bed and wake up at the same time each day
• Track your moods to notice patterns and early warning signs
• Learn to recognise when a mood swing is starting and use calming techniques
• Avoid alcohol and recreational drugs, which can make mood swings worse
• Build a trusted circle of friends, family, or peer support.

Medical treatments

A psychiatrist may prescribe medication that helps stabilise mood, such as a mood stabiliser or an antipsychotic in very specific circumstances. The choice of medicine depends on your symptoms and medical history. Your doctor or psychiatrist will discuss the benefits, side effects, and how to take any medicine safely. Never take someone else's medicine, and do not stop prescribed medication without talking to your doctor.

Living with this condition

Living with cyclothymia means learning to manage your mood swings rather than being controlled by them. Keeping a regular routine, getting enough sleep, and having a clear plan for difficult days can make a big difference. It may help to tell people you trust about your condition so they can support you without judging you.

Lifestyle tips

• Try to keep a consistent daily routine, including meals and exercise
• Reduce stress with relaxation techniques like deep breathing, mindfulness, or gentle hobbies
• Limit caffeine and sugar, as they can affect mood and energy
• Avoid long stretches of doing nothing – try to stay socially connected

Diet and exercise

Eating a balanced diet and getting regular exercise can improve your mood and energy levels. Aim for moderate exercise, such as walking or cycling, most days of the week. Avoid crash diets and try to eat regular, varied meals. Staying physically active also helps with sleep and stress.

Mental health and emotional wellbeing

Cyclothymia can make you feel frustrated, misunderstood, or worried about the future. It also raises the risk of developing more severe depression or bipolar disorder. It is important to pay attention to your mental health, not just your mood. If you ever have thoughts of suicide or self-harm, reach out for help right away. You are not a burden, and support is available.

Prevention

Cyclothymia cannot always be prevented, especially if it runs in the family. However, you can reduce the impact of mood swings by recognising early signs, managing stress, and maintaining a balanced lifestyle. Treatment also helps prevent mood episodes from becoming more severe.

Complications

If left untreated

• Mood swings may become more frequent or more severe over time
• A higher risk of developing major depression or bipolar I or II disorder
• Problems at work, school, or in relationships due to unpredictable moods
• An increased risk of alcohol or drug misuse
• A higher risk of suicidal thoughts if symptoms worsen

Long-term outlook

With the right support, most people with cyclothymia lead full and satisfying lives. Treatment helps many people stabilise their mood, and many find that their symptoms become easier to manage over time. It is not your fault, and there is every reason to be hopeful. Taking care of your mental health is a strength, not a weakness.

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