Myco Nail A

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

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

Myco Nail A 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. Topical medicine is for use only on the skin.

Use only the Myco Nail A 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 Myco Nail A without help from an adult.

Wash your hands before and after using this medicine.

If you are using Myco Nail A 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 (such as nylon) that doesn't 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 quickly improve.

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 using.

You should not use Myco Nail A if you are allergic to it.

Ask a doctor or pharmacist if Myco Nail A 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 have signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Myco Nail A may cause serious side effects. Stop using Myco Nail A and call your doctor right away if you have:

• severe burning or stinging of the treated skin; or
• any new skin symptoms.

Common side effects of Myco Nail A 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 may report side effects to the FDA at 1-800-FDA-1088.

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

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

Do not get Myco Nail A in your eyes. If it does come into contact with your eyes, rinse them with water.

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