About ampicillin m
Aminopenicillin antibiotic
Used for
- Treats certain bacterial infections, including respiratory, urinary, gastrointestinal, and skin infections.
- Treats serious infections such as meningitis or bloodstream infections when appropriate.
Usual adult dose
Usually 1–2 g intravenously every 4–6 hours, adjusted for infection and kidney function.
Usual dose in children
Usually 25–50 mg/kg intravenously every 6 hours; higher doses may be used for severe infections.
Common side effects
- Diarrhea, nausea, or vomiting
- Rash or allergic reactions
- Injection-site pain or inflammation
- Rarely, severe antibiotic-associated diarrhea
Important warnings
- Do not use with a serious penicillin allergy.
- Seek urgent care for breathing difficulty, facial swelling, or a severe rash.
- Kidney impairment may require dose adjustment.
- Use only for bacterial infections; unnecessary use promotes antibiotic resistance.
Pregnancy
Generally considered acceptable when clinically needed; use under medical supervision.
Breastfeeding
Usually compatible; monitor the infant for diarrhea, rash, or thrush.
Interactions
- Probenecid can increase ampicillin levels.
- Allopurinol may increase the chance of skin rash.
- May reduce the effectiveness of oral typhoid vaccine.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.