Premenstrual dysphoric disorder (PMDD) is a very severe form of premenstrual syndrome (PMS).
It causes a range of emotional and physical symptoms every month during the week or two before your period.
It is sometimes referred to as 'severe PMS’, and occurs usually between when you ovulate and when your period starts
Feeling upset, anxious or irritable
Tiredness or trouble sleeping
Bloating or tummy pain
Changes in appetite and sex drive
Lack of energy
Less interest in activities you normally enjoy
Feeling tense or on edge
Feeling overwhelmed or out of control
Pain in your muscles and joints
Increased anger with people around you
Becoming very upset if you feel that others are rejecting you