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Bipolar disorder – known in the past as manic depression – is a condition that affects your moods, which can swing from one extreme to another.
Our Health A-Z contains more information on Bipolar disorder.
If you are worried about this condition you can try our free AI Symptom Checker here.
Premenstrual syndrome (PMS) is the name given to the physical, psychological and behavioural symptoms that can occur in the two weeks before a woman's monthly period.
Our Health A-Z contains more information on Premenstrual tension syndrome.
Important: If you have these symptoms, they may be unrelated to any of these conditions listed. If you are concerned about your symptoms then you should see a doctor.