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Penicillin: Drug formulations (oral and parenteral)

Jonathan M Zand, PharmD BCPS
Section Editor
David C Hooper, MD
Deputy Editor
Allyson Bloom, MD

Penicillin is available in five different formulations: an oral preparation (ie, penicillin V potassium) and four parenteral penicillin G preparations. The parenteral preparations are a short-acting intravenous/intramuscular aqueous formulation and three intermediate to long-acting intramuscular-only suspensions (ie, procaine penicillin, benzathine penicillin, and benzathine with procaine penicillin mixture).

Links to the Lexicomp drug information topics are provided below.

For indications for clinical use and additional information on specific agents, refer to the relevant UpToDate topics.


Oral penicillin: Lexicomp drug information monographs

Penicillin V potassium (oral, Veetids)

Penicillin V potassium (oral): Drug information

Penicillin V potassium (oral): Pediatric drug information


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Literature review current through: Sep 2016. | This topic last updated: Jun 30, 2016.
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