Mentax

DRUG DESCRIPTION

Mentax® (butenafine) Cream, 1%, contains the synthetic antifungal agent, butenafine hydrochloride. Butenafine is a member of the class of antifungal compounds known as benzylamines which are structurally related to the allylamines.

Butenafine HCl is designated chemically as N-4-tert-butylbenzyl-N-methyl-1- naphthalenemethylamine hydrochloride. The compound has the empirical formula C23H27N•HCl, a molecular weight of 353.93, and the following structural formula:

Mentax® (butenafine HCl) Structural Formula Illustration

Butenafine HCl is a white, odorless, crystalline powder. It is freely soluble in methanol, ethanol, and chloroform, and slightly soluble in water. Each gram of Mentax® Cream, 1%, contains 10 mg of butenafine HCl in a white cream base of purified water USP, propylene glycol dicaprylate, glycerin USP, cetyl alcohol NF, glyceryl monostearate SE, white petrolatum USP, stearic acid NF, polyoxyethylene (23) cetyl ether, benzyl alcohol NF, diethanolamine NF, and sodium benzoate NF.

What are the possible side effects of butenafine topical (Mentax)?

Serious side effects of butenafine topical use are not expected. Stop using butenafine topical and see your doctor if you experience unusual or severe blistering, itching, redness, peeling, dryness, swelling, or irritation of the skin.

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...

Read All Potential Side Effects and See Pictures of Mentax »

What are the precautions when taking butenafine (Mentax)?

Before using this medication, tell your doctor or pharmacist if you are allergic to butenafine; or to allylamine antifungals (e.g., naftifine, terbinafine); 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.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: athlete's foot on the bottom/side of the foot.

During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.

It is not known whether this drug passes into breast milk. Consult your doctor before...

Read All Potential Precautions of Mentax »


Mentax Consumer (continued)

SIDE EFFECTS: Burning, irritation, redness, or itching at the application site may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly.

If your doctor has prescribed this medication, remember that he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor immediately if any of these unlikely but serious side effects occur: blistering/swelling/oozing at the application site.

A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any of the following symptoms of a serious allergic reaction: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

PRECAUTIONS: Before using this medication, tell your doctor or pharmacist if you are allergic to butenafine; or to allylamine antifungals (e.g., naftifine, terbinafine); 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.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: athlete's foot on the bottom/side of the foot.

During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.

It is not known whether this drug passes into breast milk. Consult your doctor before breast-feeding.


Mentax Patient Information Including Side Effects

Brand Names: Mentax

Generic Name: butenafine topical (Pronunciation: byoo TEN ah fine)

  • What is butenafine topical (Mentax)?
  • What are the possible side effects of butenafine topical (Mentax)?
  • What is the most important information I should know about butenafine topical (Mentax)?
  • Who should not use butenafine topical (Mentax)?
  • How should I use butenafine topical (Mentax)?
  • What happens if I miss a dose (Mentax)?
  • What happens if I overdose (Mentax)?
  • What should I avoid while using butenafine topical (Mentax)?
  • What other drugs will affect butenafine topical (Mentax)?
  • Where can I get more information?

What is butenafine topical (Mentax)?

Butenafine topical is an antifungal medication. Butenafine topical prevents fungus from growing on your skin.

Butenafine topical is used to treat athlete's foot, jock itch, and ringworm.

Butenafine topical may also be used for purposes other than those listed in this medication guide.

What are the possible side effects of butenafine topical (Mentax)?

Serious side effects of butenafine topical use are not expected. Stop using butenafine topical and see your doctor if you experience unusual or severe blistering, itching, redness, peeling, dryness, swelling, or irritation of the skin.

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.

What is the most important information I should know about butenafine topical (Mentax)?

Use this medication for the full amount of time prescribed by your doctor even if you begin to feel better. Your symptoms may improve before the infection is completely healed.

Do not use bandages or dressings that do not allow air to circulate to the affected area (occlusive dressings) unless otherwise directed by your doctor. Wear loose-fitting clothing (preferably cotton).

Avoid getting this medication in your eyes, nose, or mouth.

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