Ampicillin Injection

57 interactions 1 explained in plain English 590 cited references
Also sold as: Omnipen-N® Penbritin-S® Polycillin-N® Polyflex Totacillin-N®
About Ampicillin Injection

Ampicillin injection is used to treat certain infections that are caused by bacteria such as meningitis (infection of the membranes that surround the brain and spinal cord) and lung, blood, heart, urinary tract, and gastrointestinal tract infections. Ampicillin injection is in a class of medications called penicillins.… Read the full Ampicillin Injection drug information page →

Dr. Brian Staiger, PharmD, BCPS
Medically reviewed by Dr. Brian Staiger, PharmD, BCPS · Updated Jul 12, 2026 · Editorial policy · Data sources

Sources: FDA prescribing information (Structured Product Labeling), the published literature cited in each entry, DDInter 2.0 (a major open-access drug-interaction database), and legacy DrugBank interaction data distributed by the NIH's RxNav service (decommissioned in 2024) — analyzed and reviewed by our pharmacist team. How we build this library →

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Educational information only, not medical advice. Always confirm interactions with your pharmacist or prescriber before making any change to your medications.