Ampicillin has been prescribed for bacterial infections since 1961. In that time, it has proven its safety and efficacy. It may be administered as a shot, a drip, or in capsule form. UTIs, bronchitis, meningitis, and more are all treated using ampicillin.
What we like: Ampicillin is often prescribed for pregnant women as its side effect profile is amongst the lowest. It is widely available, effective for treating UTIs, and its action is well-understood by medical professionals.