Nystatin

Pronounced nye-STAT-in

Brand names: Mycostatin

Type: Polyene antifungal · All Antibiotics & Infection Medicines

What Nystatin is used for

  • Thrush of the mouth and throat
  • Yeast infections of the skin
  • Yeast overgrowth in the gut

◆ Kidney note

No kidney concerns — it stays in the mouth, gut, or on the skin.

Common side effects

  • Mild nausea
  • Diarrhea
  • Skin irritation (creams)
  • Unpleasant taste

Important cautions

  • It is not absorbed into the bloodstream, so it cannot treat infections deep in the body

How it comes

Liquid (swish and swallow), tablets, cream, ointment, powder. 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.