In the US, Pfizerpen (penicillin systemic) is a member of the drug class natural penicillins and is used to treat Actinomycosis, Anthrax, Anthrax Prophylaxis, Aspiration Pneumonia, Bacterial Infection, Clostridial Infection, Congenital Syphilis, Cutaneous Bacillus anthracis, Deep Neck Infection, Diphtheria, Endocarditis, Fusospirochetosis - Trench Mouth, Joint Infection, Leptospirosis, Lyme Disease - Arthritis, Lyme Disease - Carditis, Lyme Disease - Erythema Chronicum Migrans, Lyme Disease - Neurologic, Meningitis, Meningitis - Meningococcal, Meningitis - Pneumococcal, Neurosyphilis, Otitis Media, Pneumonia, Prevention of Perinatal Group B Streptococcal Disease, Rat-bite Fever, Rheumatic Fever Prophylaxis, Skin Infection, Strep Throat, Syphilis - Early, Syphilis - Latent, Tertiary Syphilis, Tonsillitis/Pharyngitis and Upper Respiratory Tract Infection.

US matches:

Ingredient matches for Pfizerpen


Benzylpenicillin potassium (a derivative of Benzylpenicillin) is reported as an ingredient of Pfizerpen in the following countries:

  • United States

International Drug Name Search

Important Notice: The international database is in BETA release. This means it is still under development and may contain inaccuracies. It is not intended as a substitute for the expertise and judgement of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that the use of any medication in any country is safe, appropriate or effective for you. Consult with your healthcare professional before taking any medication.