Undelenic

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

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

Undelenic may also be used for other reasons that are 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 for use only on the skin.

Use only the Undelenic formulation that is 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 right formulation.

Do not let a young child use Undelenic without help from an adult.

Wash your hands before and after using this medicine.

If you are using Undelenic 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 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 quickly improve.

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

Follow all the 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 Undelenic if you are allergic to it.

Ask a doctor or pharmacist if Undelenic 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.

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

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

Common side effects of Undelenic may include:

• irritation of 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 you can. If it is almost time for your next dose, skip the missed dose. Do not apply two doses at the same time.

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

Do not get Undelenic in your eyes. If it does get in your eyes, rinse them with water.

Medicine applied to the skin usually does not interact with other medications you take. However, many drugs can affect each other. Make sure to inform all your health care providers about all the medicines you are using, including prescription and over-the-counter medications, vitamins, and herbal products.