1 What is Mycolog-II?

Brand: Mycolog-II, Mytrex, Quenalog

Generic: Nystatin and Triamcinolone

Mycolog-II is a corticosteroid and antifungal medicine that is used in treating fungal infections. The preparation works by targeting the fungus, killing it, and preventing its growth.

The medicine is intended for fungal infections only and will not be effective for other kinds of infection.

A corticosteroid is a type of steroid used in:

  • relieving redness
  • itching
  • swelling
  • other skin discomfort

This medicine is used in treating certain fungal infections, like Candida and many others. Topical corticosteroids may side effects, and in rare cases, the effects may be severe. Children are more likely to experience the side effects of topical corticosteroids.

Make sure to consult your doctor first before using this medicine in children. This combination topical medicine is available only with the prescription of a doctor.

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2 What to Know Before Using

If you are about to start Mycolog-II, speak with your doctor about what you need to know. The risks and benefits the medicine offer must be weighed.

Before using this, you and your doctor must consider the following:


If you have any unusual reaction to any medicine, be sure to tell your doctor about it. Additionally, disclose other types of allergies - food, preservatives, animals, or dyes, if there are any. Read the package ingredients carefully and make sure you are not allergic to any of its ingredients.


Children are more likely to experience the side effects of topical corticosteroids. Make sure to consult your doctor first before using this medicine in children.


Studies show that old age would not limit the usefulness of this drug. Nonetheless, the use of nystatin and triamcinolone topical preparation in the elderly must be done with utmost care, since elderly patients are more prone to age-related problems.


There are no adequate studies done in pregnant women showing any possible effects of using this medicine to the unborn fetus.


Although there are no adequate studies in lactating mothers that determine potential risk in an infant when breastfeeding, the benefits should be weighed against the risks before taking this medication.

Drug Interactions

Certain medicines have adverse effects when used together. Nevertheless, it is still possible to take other medicines when using this drug. Make sure to inform your doctor about other drugs you are taking, so that alterations and precautions will be made if necessary. Using this medicine with certain medicines needs utmost caution because the combination may result in certain side effects.

Before using this drug, talk to your doctor about possible interactions if you are taking other medications, both prescription and over-the-counter.

Other medical conditions

If you have other medical conditions, the use of this drug may be affected. Inform your doctor about any other medical problems you have, especially, chickenpox, cowpox, TB of the skin, and other viral infection of the skin.

3 Proper Usage

To use Mycolog-II properly, you must follow all instructions given by your doctor. Be careful not to let the medicine go in contact with the eyes or around the eye area.

Before using this medicine on skin problems other than indicated, consult your doctor first. This medicine can only be used on certain fungal infections of the skin, and not to be sued on viral or bacterial infections.

Apply thinly over the affected area and rub in gently until absorbed by the skin. Do not wrap, bandage or apply any airtight covering after applying unless directed by your doctor, or the chance for side effects and irritation may increase. If you are using it on the groin area, wear loose-fitting clothes during treatment.

Use the medicine for the prescribed length of treatment to make sure the infection clear up completely, regardless if the symptoms clear up after a few doses. Do not miss any doses.

Do not increase the dose, use it more often, or use it for a longer time than what your doctor ordered. Too much use of the product, particularly on areas with thin skin, such as the face, groin, and armpits, may result in stretch marks and further thin of the skin.


Follow your doctor’s orders when it comes to dosage. The following information is only for the average dosage of this drug. The number of doses, the number of hours between doses, and how long you will take this drug depend on your health condition, your progress, and how well you react to this medicine.

For fungal infections in adults, apply the cream to the affected area in the morning and at night. If you are using the ointment form, apply the ointment for 2-3 times a day or as prescribed by your doctor.

Missed dose

Apply the missed dose as soon as possible. In case it is almost time for the next dose, skip the missed one and follow your regular dosing schedule.


Keep the medicine in an airtight container at normal room temperature. Keep it away from direct light, heat, and moisture. Do not let it freeze. Keep the medicine out of children’s reach. Throw away any outdated medicine or medicine that are not in use.

4 Precautions to Take

In using Mycolog-II, you must be careful and take some precautions as advised by your doctor. To help hasten recovery and clear up your infection completely, as well as to prevent reinfection, practicing proper hygiene is required. If the condition does not improve with 2-3 weeks, or if it worsens, consult your doctor.

One of the ingredients of this medicine, the corticosteroid, may be absorbed through the skin, thus a higher risk for side effects, particularly in children. Children who use this medicine for a long period may experience growth and developmental delays; close monitoring is advised.

The use of this medicine may cause higher urine and blood sugar levels in diabetic patients, especially in people with severe diabetes. Consult your doctor about this.

5 Potential Side Effects

The side effects that may manifest while using Mycolog-II may not need any medical attention. However, if the side effects worsen or become bothersome, check with your doctor immediately.

You may also ask your doctor how you can prevent the side effects from occurring. You may report the side effects of this drug to the FDA by calling 1-800-FDA-1088.

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