I started having horrible periods after RSD. Weeks long, lots of flow, horrible pains. It got worse and worse. I had an IUD - doc took that out and put me on Camila - a "mini pill" with progesterone only.

I have not had a single period since. So my pain has decreased because I don't have any cramps anymore.

I do know that Topamax and I think Neurontin will make the birth control pill less effective - if you take those you have to use some other form of BC.