30-03-2010, 04:08
Chelsea, while I didn't find any specific interactin between vitex and bcp's, your own conclusion seems best--not to mix these two things. Some herbs have additive effects and there may be something in the bcp that gets an accidentally increased effect. It isn't possible even in the best of labs to try every possible combination. As it is, there are 144 drug interactions with premarin as well as high blood pressure as an illness.