Dicloxacillin

Pronounced dye-klox-ah-SIL-in

Brand names: Dynapen

Type: Penicillin antibiotic (anti-staphylococcal) · All Antibiotics & Infection Medicines

What Dicloxacillin is used for

  • Skin and soft tissue infections from staph bacteria
  • Bone and joint infections from staph

Common side effects

  • Diarrhea
  • Nausea
  • Stomach pain
  • Heartburn

Important cautions

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

How it comes

Capsules, 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.