Generic name: Nystatin with triamcinolone acetonide.

Other brand names: Myco-Triacet II, Mytrex.

Mycolog-II is an antifungal and steroid combination. It destroys and prevents the growth of fungi, and interferes with the natural body mechanisms that produce rash, itching, or inflammation. 

Quick Facts About Mycolog-II


Used to treat candidiasis of the skin.

Mycolog-II Dosage

Use entire amount prescribed, even if symptoms disappear. If applying to groin area, use very little and wear clothes that fit loosely. Do not bandage affected area unless directed by your doctor. Do not use more often or longer than prescribed. Keep affected area cool and dry. Avoid eye contact.

  • Usual adult dose: cream — applied to affected areas 2 times per day in the morning and evening. If symptoms persist after 25 days, doctor will stop treatment. Ointment — applied to affected areas 2 times per day in the morning and evening. If symptoms persist after 25 days, doctor will stop treatment.
  • Usual child dose: follow doctor’s instructions for dosage.
  • Missed dose: apply as soon as possible, unless almost time for next dose. In that case, do not apply missed dose; go back to regular schedule.

Mycolog-II  Side Effects

Overdose symptoms:

long-term use may cause reactions throughout the body due to steroid excess, including weight gain, reddening and rounding of the face and neck, growth of excess body and facial hair, high blood pressure, emotional disturbances, increased blood sugar, urinary excretion of glucose. If you suspect an overdose, immediately seek medical attention.

More common side effects: blistering, burning, dryness, eruptions resembling acne, excessive discoloring of skin, excessive growth of hair (especially facial hair), hair loss (especially scalp), inflammation around mouth, inflammation of hair follicles, irritation, itching, peeling, prickly heat, reddish-purple lines on skin, secondary infection, severe inflammation of skin, softening of skin, stretch marks, stretching or thinning of skin.

No known less common or rare Mycolog-II  side effects.


No Mycolog-II  drug interactions reported.

No known food/other substance interactions.

Special Cautions

If pregnant or planning to become pregnant, inform your doctor. Not known if Mycolog-II appears in breast milk.

No special precautions apply to seniors.

Follow doctor’s instructions carefully for children. Avoid using tight-fitting diapers or plastic pants if diaper area is being treated.

  • Do not use for any condition other than the prescribed condition.
  • If sensitive to or allergic to this or other antifungals or steroids, should not take.
  • Inform your doctor if an irritation develops.
  • Contact your doctor if there is no improvement or condition worsens after 2 to 3 weeks.

Note: provides accurate and independent information prescription pills, over-the-counter medicines and natural products. This material is provided for educational purposes only and is not intended for medical advice, diagnosis or treatment. If you have questions about  dosage, or Mycolog-II  side effects, please contact your healthcare provider.