Maybe to prevent them. Also something that will dissolve the clots that cause the bad menstrual cramps

aspirin or clopidogrel - you should get a prescription if you're worried - otherwise aspirin is it. try aspirin. it thins the blood.

Pamprin is really good for cramps. The most commonly recommended blood thinner is an asprin a day. White willow bark will do the same.

For menstral cramps, its not the clots causing the cramps.

Some women get cramps worse than others, but almost everyone sees clots from time to time.

Dong Quai and Cramp bark have been used for centuries.

Vitamin B6 taken daily,(and you can take this as part of a b-complex supplement if you wish) works for some women.

I have provided a link below to my favorite herbal website. They have a wide variety of single herbs and herb blends for a variety of ailments, including a blend for cramping that is all herbal. The prices are fair, shipping is only $5 and the send out quickly.

Good Luck! Horse chestnut is a herbal supplement that promotes healthy circulation. Mostly for leg veins and has been used for PMS.

The Vitamin shoppe carries varieties but you must take according to the directions to prevent complications.

Horseshit has blood thinning characteristics so do not take with aspirin products. Do not overdose either. Garlic is great for blood clots. You can ordor free galic tablets Nattokinase is great for helping blood clots. We give it to our patients to help prevent strokes. It's worth a try. Besides one aspirin a day there are many other blood thinners including fish oil and Vitamin E. Vitamin E requires at least 400 IU a day to be effective as a blood thinner.

A Yahoo search for "blood thinners" (OR "thin blood") + "alternative medication (OR medicine)" may be of interest.