i dont know if its just me, but i seem to have problems with amoxacillin (sp?) whenever i have to take it (this time its for a ear infection) it seems to give me diareah and upset stomach. i have tried a few others with the same effect.. is there one thats less aggitative to stomachs/digestive tract ?? the only one that wasnt that bad for me was sulfer based (i believe the name is sulfa---- something, i dont remember the name exactly)