Possible Side Effects Ampicillin
Check with your doctor if any of these most common side effects persist or become bothersome: * inflammation and redness of the tongue; irritation of mouth or throat; mild diarrhea; nausea; second infection; vomiting. Seek medical attention right away if any of these severe side effects occur: * severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); bloody stools; severe diarrhea; stomach pain/cramps; vaginal irritation or discharge.

Drug Class and Mechanism Ampicillin
Ampicillin is a penicillin antibiotic. It works by killing sensitive bacteria by interfering with formation of the bacteria's cell wall while it is growing. This weakens the cell wall and it ruptures resulting in the death of the bacteria.

More InformationAmpicillin here
Ampicillin is to be used only by the patient for whom it is prescribed. Do not share it with other people.If your symptoms do not improve or if they become worse, check with your doctor.