Depression

What is depression?

Depression is an illness that makes you feel sad and miserable over a long period of time. People who are depressed have difficulty coping with everyday life and may even feel suicidal. Depression is associated with a wide range of symptoms and can be treated.


Who suffers from depression?


Anybody can get depressed at any time of their life. However, some people seem to be more prone to depression than others. This may be because of previous experiences or because of their body chemistry. Women are twice as likely as men to become depressed.


What causes depression?


Depression is a result of disturbances in your body chemistry. These disturbances can be triggered by traumatic or stressful events, such as bereavement, marriage or relationship problems, unemployment, redundancy, retirement, financial difficulties, an operation, childbirth or an illness. However, it is equally common for depression to have no obvious cause. Seasonal affective disorder (SAD) is a special type of depression, which occurs mainly in the winter (when there are fewer hours of sunlight during the day) and can be treated with light therapy. Postpartum depression may occur in women after giving birth. It may develop up to a year later but in most cases it occurs within the first three months after delivery.

 
Possible symptoms of depression

  • Feeling miserable and upset
  • Feeling tired and lacking motivation
  • Feeling useless, helpless and hopeless
  • Loss or gain in appetite and/or weight
  • Lack of sleep or excessive sleeping
  • Loss of sex drive
  • Forgetfulness
  • Restlessness
  • Self-hatred
  • Irrational fears
  • Oversensitivity
  • Bursts of anger or impatience
  • Physical aches and pains
  • Suicidal ideas (feeling life is not worth living)
  • Delusions and/or hallucinations


How is depression treated?

Depression is treated with counselling and antidepressant drugs. Antidepressants can be taken over a long period of time and are not addictive. However, they need to be taken regularly for some weeks to have an effect and then continued for at least six months to avoid relapse of depressive symptoms. Some people experience side effects such as a dry mouth or feeling sick when they first take antidepressants, but these usually wear off after one to two weeks. There are several different kinds of antidepressants but they all aim to correct the chemical imbalance in the body that is thought to causes the symptoms of depression. Your doctor will prescribe an antidepressant which he or she thinks is best suited to you as an individual.

Counselling helps you talk through your feelings and any problems. If you need counselling your doctor will refer you to a counsellor.


Self-help measures

  • Learn how to relax using relaxation exercises and tapes, yoga, meditation or aromatherapy to relieve the tension, anxiety and irritability of depression.
  • Exercise to stimulate your levels of brain chemicals and make you feel more alert and motivated.
  • Slow down your pace of life: take a holiday, try to reduce your work stress and take short rests (even if only for a few minutes) during the day.
  • Eat a well-balanced diet. Depression may tempt you to under- or overeat (especially junk food). A diet lacking the necessary vitamins and minerals can make you feel worse.
  • Avoid smoking, illegal drugs and alcohol. These may give you a short-term "high", but are not helpful in the long run.
  • Keep occupied, through a hobby, reading a book or even watching television. You will dwell on your depression when inactive, making you feel worse.
  • Join a self-help group. Discussing your fears and symptoms with other sufferers will help you feel less isolated. Details of self-help groups are available through Depression Alliance.


Further information available from:


Depression Alliance
20 Great Dover Street
London SE1 4LX
Tel: 0800 123 23 20
Email: information@depressionalliance.org
Internet: www.depressionalliance.org


Fact sheet provided by MIMS


Date last reviewed: July 2014


Read these next

MIMS guidance on switching and withdrawing antidepressants updated

MIMS guidance on switching and withdrawing antidepressants updated

Advice on switching and withdrawing antidepressants...


MIMS Clinics

Prescribing news and resources for key therapeutic areas, collated by the MIMS editors.

Register or Subscribe to MIMS

GPs can get MIMS print & online and GPonline for free when they register online – take 2 minutes, and make sure you get your free MIMS access! If you're not a GP, you can subscribe to MIMS for full access.

Register or subscribe

MIMS bulletins

News and updates straight to your inbox.

Prescribing Update: Fortnightly news bulletin
Alert:
Urgent prescribing updates
Spotlight: Disease-themed monthly round-up

Sign me up

MIMS Dermatology

Read the latest issue online exclusively on MIMS Learning.

Read MIMS Dermatology

Mobile apps

MIMS: access the full drug database and quick-reference tables on the go

MIMS Diagnosis and Management: concise information on signs and symptoms, investigations and diseases

Promo Image

Clinical calculators

Handy calculators and conversions for primary care.