Skip to main content

Mycostatin Pastilles Side Effects

Generic name: nystatin

Medically reviewed by Last updated on Feb 27, 2023.

Note: This document contains side effect information about nystatin. Some dosage forms listed on this page may not apply to the brand name Mycostatin Pastilles.

Applies to nystatin: oral suspension, oral tablet.

Serious side effects

Along with its needed effects, nystatin (the active ingredient contained in Mycostatin Pastilles) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Other side effects

Some side effects of nystatin may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.

Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

Less common

For Healthcare Professionals

Applies to nystatin: compounding powder, oral capsule, oral lozenge, oral suspension, oral tablet, topical cream, topical ointment, topical powder, vaginal tablet.


The most commonly reported side effects include oral irritation and sensitization.[Ref]


Frequency not reported: Diarrhea, bloody diarrhea, nausea, vomiting, gastrointestinal upset/disturbances, oral irritation and sensitization[Ref]


Frequency not reported: Rash, urticaria, Sevens-Johnson syndrome, generalized pustular eruptions[Ref]


Frequency not reported: Delayed (type IV) hypersensitivity reactions[Ref]


Frequency not reported: Tachycardia[Ref]


Frequency not reported: Facial swelling[Ref]


Frequency not reported: Bronchospasm[Ref]


Frequency not reported: Non-specific myalgia[Ref]

Frequently asked questions

More about Mycostatin Pastilles (nystatin)

Patient resources

Other brands

Mycostatin, Nilstat, Bio-Statin

Professional resources

Related treatment guides


1. "Product Information. Mycostatin Pastilles (nystatin)." Ernest Jackson & Co. Ltd (2001):

2. "Product Information. Nystatin (nystatin)." Paddock Laboratories Inc (2022):

3. Cerner Multum, Inc. "UK Summary of Product Characteristics." O 0

4. Cerner Multum, Inc. "Australian Product Information." O 0

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.