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Generic name: undecylenic acid topical [un-deh-si-LEN-ik-AS-id]

Brand names: Blis-To-Sol Powder, Elon Dual Defense Anti-Fungal Formula, Fungicure, Fungi-Nail, Fungi-Nail Pen,… Show all 8 brands
Drug class: topical antifungals

What is Undelenic?

Undecylenic acid is a fatty acid that functions by stopping fungus from growing within the pores.Undelenic (for the skin) is a treatment for skin diseases caused by fungi like athlete's foot, jock itch, or ringworm.

Undelenic can be used for other purposes that aren't listed in this guide.

Side effects of Undelenic

See a doctor immediately. If you are experiencing symptoms that indicate an allergic reaction, such as hives, difficulty breathing, and swelling of your lips, face, tongue, throat, or face,

Undelenics could cause severe adverse consequences. Stop taking Undelenic and contact your doctor immediately if you experience:

  • Extreme burning or stinging on treated skin
  • Any new skin symptoms.

Common adverse effects of Undelenic could include:

  • Irritations of the treated skin.

This list does not encompass every possible side effect; more may occur. Please consult your healthcare provider regarding adverse medical reactions; report them directly to FDA at 1-800-FDA-1088 if any arise.


Follow the instructions on your prescription label and on the label of your package. Inform your health care providers about your medical ailments and allergies, as well as the medicines you are taking.

Prior to use this drug

It is recommended not to make use of Undelenic in case you have an allergy to it.Consult a physician or pharmacist about whether Undelenic is safe to use if you suffer from allergic skin or are sensitive to it.Don't give the medication to children without medical guidance.

Talk to your doctor prior to taking this medication if you are nursing or pregnant.

How to take Undelenic?

Use only as indicated on the label or as recommended by your physician.Do not consume by mouth. Topical medicines are to be used only on the skin.Make sure to use only the Undelenic formula that is specifically formulated for the body part you're dealing with (such as your groin, feet, or nails). This remedy will not be effective if you don't make use of the correct formula.

Don't allow a small child to make use of Undelenic without the assistance of an adult.Cleanse your hands before and after you use this medicine.If you're taking Undelenic for your feet, rub the medication all over the area, including between your toes.

Don't cover the skin with an elastic bandage. You can wrap the skin in the gauze of a cotton cloth to safeguard your clothing.Avoid wearing tight-fitting clothes made of synthetic material (such as nylon), which doesn't permit air circulation. Wear loose clothes composed of cotton as well as various other fibers that are natural until inflammation heals.Change your socks and shoes at least every other day while treating foot problems for athletes.

Consult your doctor if symptoms don't improve after four months of therapy.Make sure to take this medication for the entire prescribed amount of time, even if symptoms do not improve immediately.Keep it at room temperature, far from heat and moisture. Don't freeze.

What happens if I miss the dose?

Apply the medication as fast as you are able, but avoid the missed dose if you think it is close to time for the next dose. Do not take two doses at once.

What happens if I overdose?

A high dose of undelenic is not likely to be a danger. You should seek medical attention in an emergency or contact the poison helpline at 1-800-222-1222 if you have accidentally swallowed the drug.

What should be avoided?

Don't get undelennic eye infections. If contact does occur, wash your eyes with water.

Interaction with other drugs

Skin care products will not be affected by other medicines you take. However, many medications can interact with each other. Be sure to inform your health care professionals about the medicines you take, which include prescription and non-prescription drugs, vitamins, and herbs.