Extina

Generic name:ketoconazole topical [ kee-toe-KOE-na-zole ]
Drug class:Topical antifungals

Medically reviewed by Philip Thornton, DipPharm. Last updated on Apr 21, 2022.

What is Extina?

Extina is an antifungal foam that prevents fungus from growing on your skin.

Extina Foam is used on the skin (topical) to treat a skin condition called seborrheic dermatitis in patients 12 years of age and older. Seborrheic dermatitis can cause areas of flaky skin (scales) on the scalp, face, ears, chest or upper back.

Extina Foam may also be used for purposes not listed in this medication guide.

Warnings

Use Extina for the full prescribed length of time. Your symptoms may improve before the condition is completely cleared.

Do not use bandages or dressings over the treated skin areas, unless your doctor has told you to.

Avoid getting this medication in your eyes, nose, or mouth.

Stop using Extina Foam and call your doctor if you have severe burning, irritation, redness, pain, or oozing where the medicine is applied.

Extina Foam is flammable. Do not use it while you are smoking or near an open flame.

Do not use this medication on a child younger than 12 years old.

Before taking this medicine

You should not use Extina Foam if you are allergic to ketoconazole.

Ask a doctor or pharmacist if this medicine is safe to use if you have:

• asthma or a sulfite allergy;

• an allergic reaction to an antifungal medicine, such as clotrimazole, econazole, or miconazole.

Ask a doctor before using this medicine if you are pregnant.

You should not breast-feed while using Extina.

Always follow directions on the medicine label about using this medicine on a child.

How should I apply Extina?

Apply Extina Foam exactly as prescribed. The foam is usually applied to the affected skin areas two times a day (once in the morning and once at night) for 4 weeks. Talk to your doctor if your skin does not improve after 4 weeks of treatment

1. Hold the can at an upright angle.
2. Push the button to spray Extina Foam directly into the cap of the can or other cool surface. Spray only the amount of foam that you will need to cover your affected skin. Do not spray the foam directly onto your affected skin or your hands because it will begin to melt right away when it touches your skin.
3. If your fingers are warm, rinse them in cold water first. Be sure to dry them well before handling the Extina Foam. If the foam can seems warm or runny, place the can under cool running water for a few minutes.
4. Using your fingertips, gently massage the foam into the affected areas until the foam disappears.
5. If you are treating skin areas with hair such as your scalp, move any hair away so that the foam can ...