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Nystop Side Effects

Generic Name: nystatin topical

Note: This page contains side effects data for the generic drug nystatin topical. It is possible that some of the dosage forms included below may not apply to the brand name Nystop.

For the Consumer

Applies to nystatin topical: vaginal cream, vaginal tablet

As well as its needed effects, nystatin topical (the active ingredient contained in Nystop) may cause unwanted side effects that require medical attention.

Severity: Moderate

If any of the following side effects occur while taking nystatin topical, check with your doctor or nurse as soon as possible:

  • Vaginal burning or itching not present before use of this medicine

For Healthcare Professionals

Applies to nystatin topical: topical cream, topical kit, topical ointment, topical powder, vaginal tablet


Dermatologic side effects associated with nystatin topical (the active ingredient contained in Nystop) powder, cream, and ointment have included skin irritation, burning, itching, rash, eczema, and pain on application in less than 0.1% of patients.[Ref]


1. Wasilewski C Jr "Allergic contact dermatitis from nystatin." Arch Dermatol 102 (1970): 216-7

2. Garty BZ "Stevens-Johnson syndrome associated with nystatin treatment." Arch Dermatol 127 (1991): 741-2

3. Quirce S, Parra F, Lazaro M, Gomez MI, Sanchez Cano M "Generalized dermatitis due to oral nystatin." Contact Dermatitis 25 (1991): 197-8

4. "Product Information. Mycostatin Cream, Mycostatin Topical Powder (nystatin)." Westwood Squibb Pharmaceutical Corporation, Eatontown, NJ.

5. Lang E, Goos M "Combined allergy to tolnaftate and nystatin." Contact Dermatitis 12 (1985): 182

6. de Groot AC, Conemans JM "Nystatin allergy. Petrolatum is not the optimal vehicle for patch testing." Dermatol Clin 8 (1990): 153-5

7. "Product Information. Mycostatin Pastilles (nystatin)." Ernest Jackson & Co., Ltd., Crediton, Devon, England, .

8. Wasilewski C Jr "Allergic contact dermatitis from nystatin." Arch Dermatol 104 (1971): 437

9. Hills RJ, Ive FA "Contact sensitivity to nystatin in Timodine." Contact Dermatitis 28 (1993): 48

It is possible that some side effects of Nystop may not have been reported. These can be reported to the FDA here. Always consult a healthcare professional for medical advice.

Disclaimer: Every effort has been made to ensure that the information provided is accurate, up-to-date and complete, but no guarantee is made to that effect. In addition, the drug information contained herein may be time sensitive and should not be utilized as a reference resource beyond the date hereof. This material does not endorse drugs, diagnose patients, or recommend therapy. This information is a reference resource designed as supplement to, and not a substitute for, the expertise, skill , knowledge, and judgement of healthcare practitioners in patient care. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate safety, effectiveness, or appropriateness for any given patient. does not assume any responsibility for any aspect of healthcare administered with the aid of materials provided. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the substances you are taking, check with your doctor, nurse, or pharmacist.