Doctors have prescribed everything from hormone replacement therapy to the popular anti-depressant Prozac.
None ease the backaches, abdominal cramps, migraines and mood swings.
Evening primrose oil might. Some women swear by it, but researchers have not proved the oil's effects. More than 30,000 websites mention the syndrome and a wide range of alternative methods to ease PMS symptoms. There is some medical support for the anecdotal evidence. Recent research suggests that PMS is not caused by a hormonal imbalance, as was thought, but by a nutritional deficiency.