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What is Micostat® (miconazole) used for?

Micostat® is an antifungal medication commonly used to treat ringworm and some yeast infections. This medication is an azole antifungal. It works by stopping the growth of fungus that causes the infection.

How should I take Micostat®?

If you are using the over-the-counter product to self-treat, read all directions on the product package before using this medication. If you have any questions, consult your pharmacist. If your doctor has prescribed this medication, use it as directed.

This product is for topical use only. Do not apply it inside the mouth or on open wounds.

Wash your hands thoroughly before and after use. Avoid contact with this ointment with your eyes. If it gets into your eyes, wash them right away with plenty of water. Call your doctor if eye irritation persists.

Therapy duration is based on your medical condition and response to treatment.

How do I store Micostat®?

Micostat® is best stored at room temperature away from direct light and moisture. To prevent drug damage, you should not store Micostat® in the bathroom or the freezer.

There may be different brands of Micostat® 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 Micostat® 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.


What should I know before using Micostat®?

Before using this drug, tell your doctor if:

  • You are pregnant or breastfeeding. This is because, while you are expecting or feeding a baby, you should only take medicines on the recommendation of a doctor.
  • You are taking any other medicines. This includes any medicines you are taking which are available to buy without a prescription, such as herbal and complementary medicines.
  • You have allergy with any of the active or inactive ingredients of Micostat® or other medications.
  • You have any other illnesses, disorders, or medical conditions.

Before using this medication, tell your doctor or pharmacist if you are allergic to it; or to other azole antifungal agents (such as clotrimazole, fluconazole); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Is it safe during pregnancy or breastfeeding?

As a topical form of miconazole, Micostat® is generally safe to use during pregnancy. Other forms of miconazole may not be safe for pregnant or lactating women. Please always consult with your doctor to weigh the potential benefits and risks before taking Micostat®.

Side Effects

What side effects can occur from Micostat®?

A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including:

  • Rash
  • Itching
  • Swelling
  • Dizziness
  • Difficulty breathing

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.


What drugs may interact with Micostat® (miconazole)?

Micostat® 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.

The following drugs may have interactions with Micostat®:

  • Warfarin
  • Phenytoin, fosphenytoin
  • Sulfonylureas
  • Saquinavir
  • Vinca alkaloids
  • Calcium channel blockers
  • Immunosuppressants
  • Carbamazepine
  • Cilostazol
  • Buspirone
  • Sildenafil
  • Barbiturates
  • Methylprednisone
  • Ergot alkaloids

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 Micostat®?

Micostat® 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 Micostat®?

Micostat® 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.


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

What is the dose of Micostat® for an adult?

Cleanse the affected areas with mild soap and allow the skin to dry. Apply a thin layer of product over the affected areas twice a day, or as directed by your doctor. Continue treatment for 1 week after symptoms disappear.

What is the dose of Micostat® for a child?

The dosage has not been established in pediatric patients. It may be unsafe for your child. It is always important to fully understand the safety of the drug before giving it to a child. Please consult with your doctor or pharmacist for more information.

How is Micostat® available?

Micostat® is available in the following dosage forms and strengths:

  • Micostat® 2% (20 mg/g) cream

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

Overdose is not likely to occur with topical applications. Ingesting the cream may cause toxicity. In case of accidental ingestion 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 Micostat®, take it as soon as you remember. 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.


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

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Written by Stephanie Nera, RPh, PharmD Updated Dec 03, 2020
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