Medicines & Supplements A to Z > Nystatin


Last updated on 09/07/2021.

Overview   |   Dosage   |    Side Effects   |   Precautions  |   Tips  |   Where To Buy  




DRUG CLASS: Antifungals

SUB CLASS: Polyenes

USED FOR: Intestinal candidiasis, Oral candidiasis, Vulvovaginal candidiasis, Fungal skin infections

– 500000U (tablets)
– 100000U/ml (suspension)
– 100000U (vaginal tablets)
– 100000U (vaginal suppositories)
– 100000U/g (ointment)

What is Nystatin for?

Nystatin is a type of polyenes antifungals. Different formulations have different indications, including intestinal candidiasis, oral candidiasis, vulvovaginal candidiasis, fungal skin infections.

How to use it?

Nystatin can be taken orally as tablets or suspension. It can also be used intravaginally as vaginal tablets, vaginal suppositories or topically as ointment. Listed below are the indications and the dosages. 

Vulvovaginal candidiasis:
Vaginal tablets or Vaginal suppositories: insert 1 into vaginal once daily for 2 weeks.

Fungal skin infections (cutaneous and mucocutaneous):
Ointment: apply to the affected skin areas twice daily until healing is complete.

Oral candidiasis:
Suspension: 4-6 ml orally four times a day for 7-14 days.

Gastrointestinal candidiasis:
Tablets: 1-2 tablets orally 3 times a day, continue treatment for 2 days after clinical cure.

What are the side effects of Nystatin?

Common side effects of Nystatin include contact dermatitis, diarrhea, nausea, vomiting, and stomach pain.

Who should not take Nystatin?

People who are allergic to Nystatin or any component of the formulation.

Pharmacist Tips:

– Wash your hands before and after using ointment.
– Shake the suspension well before use.
– Swish it in your mouth as long as you can (several minutes) before swallowing
– Do not have vaginal sex or use other vaginal products like tampons while you are using the vaginal treatment. 

Common dosing schedule:
Nystatin can be taken with or without food.

This schedule is for reference only, adjustments may be made according to individual needs.

Some common medications Nystatin may interact with:

Please notify your doctor or pharmacist if you are taking the above medication, dosage adjustments might be needed.

Where to buy Nystatin in Hong Kong?

In Hong Kong, Nystatin is a prescription only medicine, and requires a prescription from a doctor to be purchased in a pharmacy. It can also be obtained from doctors. To find a pharmacy near you, refer to the list of pharmacies (“Authorized Sellers of Poisons”) from the Hong Kong Department of Health.

For more information about drug names and ingredients, you can visit Hong Kong’s Drug Office at

Need more information?

For detailed information about the use of Nystatin in children, pregnancy and breastfeeding, and for questions about drug interactions, please check with your pharmacist or doctor.

Disclaimer: our goal is to provide you with the most relevant drug information and common dosage for Hong Kong. This information does not constitute medical advice. For specific treatment recommendations and advice, always discuss with your doctor or pharmacist, and follow the instructions included with your specific medicine.