You definitely need to call your doctor because bladder infections and uti's can hurt the baby if not treated properly. I know how it is, I've had chronic uti's and bladder infections since i was little. What i do is drink a gallon of cranberry juice in a day, pee as much as possible. Cleans me out
There are certain mediciations you cannot take while pregnant. So I wouldn't take anything unless your doc okays it. I recommend you call your doc and ask them just to be on the safe side.