Along with its needed effects, nystatin may cause some unwanted or undesirable effects. Generally, nystatin is well tolerated and many people will not experience unwanted effects. The frequency and severity of these effects is dependant on many factors including dose, duration of therapy and individual susceptibility.

Possible unwanted effects include:

• nausea
• vomiting
• diarrhea
• stomach ache

Nystatin is an antifungal agent. It works by interfering with the formation of the fungal cell membrane. This allows the contents of the cell to leak out, resulting in fungal cell death.

Nystatin should be taken exactly as prescribed. Continue taking the medication until it is finished.
You may be told to continue taking nystatin for 2 days after the symptoms have disappeared to ensure complete eradication of the fungal infection.

Drug Interactions: To date, there are no reported drug interactions of significance with nystatin. However, it is important to tell your doctor and pharmacist of any prescription or over-the-counter medications you are taking.

Use is not recommended in the following situations:

• allergy to nystatin or any component of the preparation

Use in pregnancy: Considered compatible for use in pregnancy
Use while breastfeeding: Considered compatible for use in breastfeeding.