Mood swings

Overview

Mood swings are sudden and intense changes in your emotional state. You might feel happy one moment and sad, irritable, or angry the next, often without a clear reason. They are a normal part of life for many people, but when they become severe or frequent, they can be a sign of an underlying issue.

Yes, mood swings are very common. Most people experience them at some point, especially during times of change or stress.

Mood swings can affect anyone, but they are more common in teenagers, women around their menstrual cycle, during pregnancy or menopause, and people under high stress. They can also occur in people with mental health conditions such as depression or bipolar disorder.

Symptoms

Common symptoms

• Quickly shifting from happiness to sadness or anger for no clear reason
• Feeling irritable or on edge
• Crying or laughing without a clear trigger
• Having a short temper or outbursts
• Feeling very happy and then very low within a short time

Symptoms in children

• Temper tantrums that seem extreme for their age
• Crying spells that come and go quickly
• Difficulty calming down after being upset
• Sudden changes in energy or behaviour

Symptoms in older adults

• Sudden irritability or confusion
• Withdrawal from social activities
• Changes in sleeping or eating patterns
• Increased frustration or anger over small things

Causes

Main causes

• Hormonal changes, such as during puberty, menstruation, pregnancy, or menopause
• Stress from work, school, or personal life
• Lack of sleep or poor sleep quality
• Certain medical conditions like thyroid problems or diabetes
• Mental health conditions like depression, anxiety, or bipolar disorder
• Substance use or withdrawal from drugs or alcohol

Risk factors

• Personal or family history of mood disorders
• Chronic stress or trauma
• Sleep problems
• Hormonal changes (e.g., puberty, pregnancy, menopause)
• Using alcohol, drugs, or certain medications

When to see a doctor

See a doctor urgently if:

• If you have thoughts of harming yourself or others – seek help immediately
• If mood swings are severe and come with other worrying symptoms like confusion or paranoia

Book a routine appointment if:

• If mood swings are happening often and affecting your relationships or daily life
• If you also notice changes in sleep, appetite, or energy levels
• If you feel sad, hopeless, or anxious most of the time

Diagnosis

A doctor will talk with you about your symptoms, how long they last, and what triggers them. They may ask about your medical history, sleep, stress, and any medicines you take.

Tests that may be done

• A physical exam and blood tests to check for medical causes like thyroid problems
• Questionnaires or mood diaries to track patterns
• A mental health assessment to check for conditions like depression or bipolar disorder

What to expect at your appointment

Your doctor will work with you to understand your mood swings. They may suggest keeping a diary of your moods and what happens before them. This can help identify triggers. You may also be referred to a mental health specialist if needed.

Treatment

Treatment for mood swings depends on the cause. Often, it involves lifestyle changes, therapy, and sometimes medication. The goal is to help you feel more balanced and improve your daily life.

Self-care at home

• Keep a regular sleep schedule – aim for 7–9 hours of sleep each night
• Find healthy ways to handle stress, like deep breathing or talking to a friend
• Limit caffeine, alcohol, and sugary foods, which can trigger mood changes
• Take breaks when you feel overwhelmed
• Try relaxation techniques like meditation or yoga

Medical treatments

If mood swings are linked to a mental health condition like depression or bipolar disorder, a doctor may recommend talking therapies such as cognitive behavioural therapy (CBT). In some cases, medication may be prescribed to help balance mood, but this is always discussed with a healthcare provider. Never start, stop, or change any medication without speaking to a doctor.

When is surgery considered?

Surgery is not used to treat mood swings.

Living with this condition

Living with mood swings can be challenging, but you can learn to manage them. Identify your triggers, plan ahead for stressful times, and let trusted people know how they can support you. Keep a daily routine to give your day structure.

Lifestyle tips

• Set small, achievable goals each day
• Schedule regular physical activity – even a short walk can help
• Connect with friends or family regularly, even if just for a chat
• Avoid major life changes when you are feeling unstable

Diet and exercise

Eating a balanced diet with plenty of fruits, vegetables, and whole grains can help stabilise your mood. Regular exercise, like walking, swimming, or dancing, releases chemicals in the brain that improve mood and reduce stress. Aim for at least 30 minutes of moderate activity most days.

Mental health and emotional wellbeing

Frequent mood swings can be upsetting and may affect your self-esteem, relationships, and work. It is important to seek support rather than trying to cope alone. Talk to a doctor or a mental health professional if you feel overwhelmed.

Prevention

It is not always possible to prevent mood swings, especially if they are caused by hormones or medical conditions. But you can reduce how often they happen and how severe they are by managing stress, getting enough sleep, eating well, and staying active.

Complications

If left untreated

• Strained or broken relationships with friends, family, or partners
• Problems at work or school, including poor performance or job loss
• Increased risk of developing depression or anxiety
• Risk of self-harm or suicidal thoughts if underlying mental health condition is not addressed

Long-term outlook

With the right support and self-care, most people can manage their mood swings and lead a full, happy life. Many find that their mood swings become less frequent or intense as they learn what works for them. Help is available, and you do not have to face this alone.

Find support

International organisations

• International Association for Suicide Prevention ↗

Local organisations

• NHS (UK) ↗ · United Kingdom
• Mind (UK mental health charity) ↗ · United Kingdom

Helplines

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