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Last reviewed on RxList: 2/8/2017
Mycelex Side Effects Center

Last reviewed on RxList 11/22/2016

Mycelex (clotrimazole) is an antifungal medication used to treat and prevent yeast infections of the mouth and throat. Mycelex is available in generic form. Common side effects of Mycelex include:

  • nausea,
  • vomiting,
  • mild itching, or
  • an unpleasant sensation in the mouth.

A very serious allergic reaction to Mycelex is unlikely, but seek immediate medical attention if you have rash, itching, swelling (especially of the face/tongue/throat), severe dizziness, or trouble breathing.

Mycelex Troches are administered only as a lozenge that must be slowly dissolved in the mouth. The recommended dose is one troche five times a day for fourteen consecutive days. Since Mycelex is not absorbed by your body, drug interactions are not expected. Talk to your doctor before taking any other prescription or over-the-counter medicines. During pregnancy, Mycelex should be used only when prescribed. It is not known whether this drug passes into breast milk. Consult your doctor before breastfeeding.

Our Mycelex (clotrimazole) Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Mycelex Consumer Information

Stop taking clotrimazole 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 clotrimazole. Continue to take clotrimazole and talk to your doctor if you experience

  • nausea or stomach upset,
  • vomiting,
  • itching, or
  • an unpleasant sensation in the mouth.

Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome. You may report side effects to FDA at 1-800-FDA-1088.

Read the entire detailed patient monograph for Mycelex (Clotrimazole)

Mycelex Professional Information


Abnormal liver function tests have been reported in patients treated with clotrimazole troches; elevated SGOT levels were reported in about 15% of patients in the clinical trials (See PRECAUTIONS section).

Nausea, vomiting, unpleasant mouth sensations and pruritus have also been reported with the use of the troche.

Drug Abuse And Dependence

No data available.

Read the entire FDA prescribing information for Mycelex (Clotrimazole)

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