In addition, the second most frequent cause of neonatal meningitis after gbs is escherichia coli, which is often resistant to ampicillin.

Ampicillin can make birth control pills less effective.

However, a double-ester prodrug, in combination with ampicillin sultamicillin , allows up to 68 absorption 15 .

Gerding et al 48 randomized 156 patients to amikacin metronidazole placebo, amikacin clindamycin placebo, or amikacin clindamycin ampicillin.

Azidocillin and ampicillin in the treatment of upper respiratory tract infections.