PMS is a disorder characterized by a set of hormonal changes that trigger disruptive symptoms in a significant number of women for up to two weeks prior to menstruation. Of the estimated 40 million sufferers, more than 5 million require medical treatment for marked mood and behavioral changes. Often symptoms tend to taper off with menstruation and women remain symptom-free until the two weeks or so prior to the next menstrual period. These regularly recurring symptoms from ovulation until menses typify PMS, premenstrual syndrome.

Characteristics
Over 150 symptoms have been attributed to PMS. After complaints of feeling "out-of-control", anxious, depressed and having uncontrollable crying spells, the most common complaints are headache and fatigue. But symptoms may vary from month to month and there may even be symptom-free months. No women present all the PMS symptoms. Characteristically symptoms may be both physical and emotional. They may include physical symptoms as headache, migraine, fluid retention, fatigue, constipation, painful joints, backache, abdominal cramping, heart palpitations and weight gain. Emotional and behavioral changes may include anxiety, depression, irritability, panic attacks, tension,lack of coordination, decreased work or social performance and altered libido.

PMS is real--and can be controlled with diet, exercise and prescription medication may be needed to treat the underlying hormonal imbalances.

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