Penicillin V

Pronounced pen-i-SIL-in VEE

Brand names: Pen-Vee K

Type: Penicillin antibiotic · All Antibiotics & Infection Medicines

What Penicillin V is used for

  • Strep throat
  • Skin infections
  • Preventing rheumatic fever recurrence

Common side effects

  • Diarrhea
  • Nausea
  • Stomach upset
  • Black, hairy-looking tongue

Important cautions

  • True penicillin allergy can be life-threatening — always tell your care team about any past reaction

How it comes

Tablets, liquid. This guide lists forms only — it never lists strengths or doses.

Related medicines — Antibiotics & Infection Medicines

Please note: This page is a patient-education summary, not medical advice, and it deliberately contains no doses. Medicines affect everyone differently — always follow your own prescription and talk to your doctor or pharmacist before starting, stopping or changing any medicine.