What is nystatin?

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Generic Name: Nystatin Brand Name(s): Generics only. No brands available.

Know the basics

What is nystatin used for?

This medication is used to treat fungal infections of the mouth. Nystatin is an antifungal that works by stopping the growth of fungus.

Nystatin suspension should not be used to treat fungal infections of the blood.

How should I take nystatin?

Shake well before using, and use the provided medication dropper to carefully measure out the dose. Unless your doctor instructs you otherwise, use as follows: Place half of the dose in one side of the mouth. Swish it around the mouth, gargle, and swallow or spit out as directed. Keep the liquid in your mouth for as long as possible. Then repeat with the remaining half of the dose in the other side of the mouth. Avoid eating for 5-10 minutes after using this medication.

Use this medication 4 times a day or as directed by your doctor. It may take from several days to several months to complete treatment. Use this medication regularly in order to get the most benefit from it. Remember to use it at the same times each day. Dosage is based on your medical condition and response to therapy.

Continue to use this medication until the full prescribed amount is finished, even if symptoms disappear after a few days. Stopping the medication too early may allow the infection to continue, resulting in a return of the infection.

Inform your doctor if your condition persists after several days of treatment or worsens at any time.

How do I store nystatin?

Nystatin is best stored in the refrigerator. To prevent drug damage, do not freeze. There may be different brands of nystatin that may have different storage needs. It is important to always check the product package for instructions on storage, or ask your pharmacist. For safety, you should keep all medicines away from children and pets.

You should not flush nystatin down the toilet or pour them into a drain unless instructed to do so. It is important to properly discard this product when it is expired or no longer needed. Consult your pharmacist for more details about how to safely discard your product.

Know the precautions & warnings

What should I know before using nystatin?

Before using nystatin,

  • tell your doctor and pharmacist if you are allergic to nystatin or any other drugs.
  • tell your doctor and pharmacist what prescription and nonprescription medications you are taking, including vitamins.
  • tell your doctor if you are pregnant, plan to become pregnant, or are breast-feeding. If you become pregnant while using nystatin, call your doctor.

Is it safe to take nystatin during pregnancy or breast-feeding?

There isn’t enough information about the safety of using this medication during pregnancy and breast-feeding. Please always consult with your doctor to weigh the potential benefits and risks before taking this medication.

Know the side effects

What are the side effects of nystatin?

Stop taking nystatin and seek emergency medical attention if you experience an allergic reaction (difficulty breathing; closing of your throat; swelling of your lips, tongue, or face; or hives).

Side effects are not likely to occur with nystatin. Continue to take nystatin and talk to your doctor if you experience

  • nausea or stomach upset,
  • vomiting, or
  • diarrhea.

Not everyone experiences these side effects. There may be some side effects not listed above. If you have any concerns about a side-effect, please consult your doctor or pharmacist.

Know the interactions

What drugs may interact with nystatin?

Nystatin may interact with other drugs that you are currently taking, which can change how your drug works or increase your risk for serious side effects. To avoid any potential drug interactions, you should keep a list of all the drugs you are using (including prescription drugs, nonprescription drugs and herbal products) and share it with your doctor and pharmacist. For your safety, do not start, stop, or change the dosage of any drugs without your doctor’s approval.

Does food or alcohol interact with nystatin?

Nystatin may interact with food or alcohol by altering the way the drug works or increase the risk for serious side effects. Please discuss with your doctor or pharmacist any potential food or alcohol interactions before using this drug.

What health conditions may interact with nystatin?

Nystatin may interact with your health condition. This interaction may worsen your health condition or alter the way the drug works. It is important to always let your doctor and pharmacist know all the health conditions you currently have.

Understand the dosage

The information provided is not a substitute for any medical advice. You should ALWAYS consult with your doctor or pharmacist before using this medication.

What is the dose of nystatin for an adult?

Usual Adult Dose for Oral Thrush

1 to 2 oral lozenges (200,000 to 400,000 units) 4 to 5 times a day or
500,000 units of oral suspension 4 times a day.

Usual Adult Dose for Intestinal Candidiasis

500,000 to 1,000,000 units orally 3 times a day.

What is the dose of nystatin for a child?

Usual Pediatric Dose for Oral Thrush

Neonates: 100,000 units of oral suspension 4 times a day.
>1 m <12 m:: 200,000 units of oral suspension 4 times a day.
>=1 year <18 years: 1 to 2 oral lozenges (200,000 to 400,000 units) 4 to 5 times a day or 500,000 units of oral suspension 4 times a day.

How is nystatin available?

Nystatin is available in the following dosage forms and strengths:

Suspension, Oral: 100000 [USP”U]/15 mL.

What should I do in case of an emergency or overdose?

In case of an emergency or an overdose, call your local emergency services or go to your nearest emergency room.

What should I do if I miss a dose?

If you miss a dose of nystatin, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and take your regular dose as scheduled. Do not take a double dose.

Hello Health Group does not provide medical advice, diagnosis or treatment.

Review Date: May 30, 2016 | Last Modified: January 4, 2017

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