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Nystatin is used to prevent and treat fungal infections of the mouth ( oral thrush/oral candidiasis), throat or gut.

How it works

Nystatin belongs to class of medications called antifungal antibiotics. It acts on the outer covering (cell membrane) of the fungus resulting in leakage of essential nutrients from within the cells, thereby killing them.

Common side effects

Nausea, Burning sensation, Itching, Diarrhoea, Rash, Stomach upset


No medicine available

Expert advice

  • Talk to your doctor before taking nystatin if you have a fungal infection in the lungs or on the skin.
  • Ensure that the doses of nystatin are equally spaced throughout the day.
  • For infection of the mouth (oral thrush), try to keep the nystatin solution in contact with the affected areas as long as possible.
  • Continue taking nystatin at the prescribed dose for at least 48 hours after symptoms have disappeared.
  • Tell your doctor if you are or planning to become pregnant or are breastfeeding. 

Frequently asked questions


Q. Is nystatin an antibiotic?
Nystatin belongs to class of antifungal antibiotic.

Q. Is it over-the-counter product?
 It is a schedule H drug and not available as over-the-counter medicine.
Q. Is nystatin safe?
Nystatin is safe when taken at prescribed dose and duration as per doctor’s advice.

Q. Can nystatin be given to infants?
 There is limited information available on the use of nystatin in infants. Always follow doctor’s advice before using nystatin.
Q. Does nystatin treat ringworm?
Nystatin is mostly used to treat fungal infections and not for ringworms, however, you should always follow your doctor’s advice regarding usage of nystatin.
Q. Is nystatin same as monistat?
Nystatin is not same as monistat, however they both are used to treat different types of fungal infections. 

Content on this page was last updated on 14 October, 2016, by Dr. Varun Gupta (MD Pharmacology)