Breakthrough bleeding can be one of the side effects of taking Provera. I'd say call your doctor, but don't discontinue taking it on your own. It could really screw you up. Here is a blurb about side effects from it:
Side effects may include:
Acne, anaphylaxis (life-threatening allergic reaction), blood clot in a vein, lungs, or brain, breakthrough bleeding (between menstrual periods), breast tenderness or sudden or excessive flow of milk, cervical erosion or changes in secretions, depression, excessive growth of hair, fever, fluid retention, hair loss, headache, hives, insomnia, itching, lack of menstruation, menstrual flow changes, spotting, nausea, rash, skin discoloration, sleepiness, weight gain or loss, yellowed eyes and skin http://www.healthsquare.com/newrx/pro1361.htm
Linda
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dx pcos 1984, type II diabetes 2001, also hypertension
Met 2000mg since 2001, started Glucophage XR 4/22/04, then switched to Met ER 6/04; also: multi, Vit. C, Vit. E, B12/folic acid combo, fish oil & borage oil combo, garlic capsules, cinnamon, Vitex, calcium with magnesium/zinc, biotin, CoQ10, selenium,iron
Other meds: Verapamil and Altace(for blood pressure)
Started laser hair removal 7/29/03, completed 3/04 (it works!)
UAE for fibroid 3/24/03 and 3/16/04 | 
Provera HELP!! 
