Fungi-Nail

Undecylenic acid is a fatty acid that helps stop fungus from growing on the skin.

Fungi-Nail (for the skin) is used to treat skin infections caused by fungus, including athlete's foot, jock itch, or ringworm.

Fungi-Nail may also be used for other reasons not mentioned in this medication guide.

Use exactly as directed on the label, or as prescribed by your doctor.

Do not take by mouth. This topical medicine is only for use on the skin.

Use only the Fungi-Nail formulation made for the specific body area you are treating (such as your feet, groin, or nails). This medicine will not work if you do not use the correct formulation.

Do not allow a young child to use Fungi-Nail without adult supervision.

Wash your hands before and after using this medicine.

If you are using Fungi-Nail on your feet, apply the medicine to all areas, including between your toes.

Do not cover treated skin with a bandage. You may cover the skin with a cotton gauze dressing to protect your clothing.

Avoid wearing tight-fitting, synthetic clothing (like nylon) that does not allow air circulation. Wear loose clothing made of cotton and other natural fibers until the infection is healed.

Change your shoes and socks at least once daily while treating athlete's foot.

Call your doctor if your symptoms do not improve after 4 weeks of treatment.

Use this medicine for the full prescribed length of time, even if your symptoms improve quickly.

Store at room temperature away from moisture and heat. Do not freeze.

Follow all instructions on your medicine label and package. Inform each of your healthcare providers about all your medical conditions, allergies, and all medicines you are taking.

You should not use Fungi-Nail if you are allergic to it.

Ask a doctor or pharmacist if Fungi-Nail is safe to use if you have sensitive skin or allergies.

Do not give this medicine to a child without medical advice.

Ask a doctor before using this medicine if you are pregnant or breast-feeding.

Get emergency medical help if you notice signs of an allergic reaction: hives; trouble breathing; swelling of your face, lips, tongue, or throat.

Fungi-Nail may cause serious side effects. Stop using Fungi-Nail and contact your doctor immediately if you experience:

• severe burning or stinging of the skin where you applied the treatment; or
• any new skin symptoms.

Common side effects of Fungi-Nail may include:

• irritation of the treated skin.

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

Apply the medicine as soon as possible, but skip the missed dose if it is nearly time for your next dose. Do not apply two doses at once.

An overdose of Fungi-Nail is not expected to be harmful. If someone accidentally swallows the medication, seek emergency medical help or call the Poison Help line at 1-800-222-1222.

Do not get Fungi-Nail in your eyes. If it happens, rinse your eyes with water.

Medicine applied to the skin is not likely to interact with other medications you take. However, many medications can affect each other. Inform all your health care providers about every medicine you are using, including prescription and over-the-counter medicines, vitamins, and herbal products.