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What should I discuss with my healthcare provider before using undecylenic acid topical (Blis-To-Sol Powder, Cruex, Elon Dual Defense Anti-Fungal Formula, Protectol, Undelenic)?

Do not use undecylenic acid topical if you have had an allergic reaction to it in the past.

It is not known whether undecylenic acid topical could be harmful to an unborn baby if you use the medication during pregnancy. Do not use undecylenic acid topical without telling your doctor if you are pregnant.

It is not known whether undecylenic acid passes into breast milk or if it could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.

Do not use undecylenic acid topical on a child without a doctor's advice.

How should I use undecylenic acid topical (Blis-To-Sol Powder, Cruex, Elon Dual Defense Anti-Fungal Formula, Protectol, Undelenic)?

Use this medication as directed on the label, or as your doctor has prescribed. Do not use the medication in larger amounts or for longer than recommended.

Undecylenic acid topical is usually applied twice a day. How long you need to use this medication will depend on the type of infection you are treating. Follow your doctor's instructions or the directions on the medicine label.

Wash your hands before and after using this medication.

Clean and dry the skin area to be treated. Apply enough of the medicine to cover the affected area and some of the skin around it.

If you are using undecylenic acid powder on your feet, sprinkle it onto all areas of the feet, between the toes, and into your socks and shoes. Avoid inhaling the powder.

Do not cover treated skin areas with adhesive bandages or dressings that do not allow air to get through. You may use a light cotton-gauze dressing to protect your clothing from the medicine.

Avoid wearing tight-fitting, synthetic clothing (such as nylon) that doesn't allow air circulation. Wear clothing made of loose cotton and other natural fibers until the infection is healed.

Use this medication for the full prescribed length of time. Your symptoms may improve before the infection is completely cleared.

It may take up to 4 weeks before your symptoms improve. For best results, keep using the medication as directed. Talk with your doctor if your symptoms do not improve after 2 to 4 weeks of treatment.

Store undecylenic acid topical at room temperature away from moisture, heat, and light. Keep the aerosol forms of this medicine away from open flame or high heat, such as in a car on a hot day. The medicine canister may explode if it gets too hot.

Do not use the aerosol powder or foam near heat or open flame, or while smoking.

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