chlamydia infection
"Me and my girl friend had a three some with some random chick. (Not advisable) was pretty inebriated so guessing we somehow contracted it even with the failed attempt at using condoms. Anyway we test positive for clap and I get two pills of azithromycin. I took the tablet about thirty min later then I start feeling really ill. Light headache, cramps. I go home lay down then I'm running to the toilet with diahrrea. Hopefully this means it's working lol. Gf had similar symptoms."