Azithromycin
"Took 4 of the 250 mg I'm 32 weeks pregnant. First time ever with an STD. I felt horrible nauseated, vomiting, diarrhea light headed weak cramps and sleepy all at once it's the next day now I'm still having diarrhea but I'm eating hopefully it's all out of my system I don't ever want to go through this again this s sucks. "