I have problems with mestinon to. Its gives me a diarrohea and nausea. Along with stomach cramps. I take propanthaline 15mg, one to two tablets everytime I have mestinon. Other wise the bowel spasms feel like I have a knife ripping through me. I take loperimide (immodium) to stop the diarrohea.

I believe propanthaline in contr -indicated for MG, but most people I know cope fine with it. You can't be expected to endure what your going through with the mestinon.

Even though I have been taking mestinon for nearly 2 years I still have days despite taking loperimide and propanthaline, that Im either running to the toilet or have hideous cramps. I never know what kind of day Im going to have. Its always worst when I haven't taken mestinon for a couple of days and then re-start it.

Sorry you are having such a tough time.
Love
Rach