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People who have a skin condition called seborrhea may receive Extina. This prescription medication comes as a foam that is applied on the affected areas twice a day for four weeks. A burning sensation and other skin reactions are possible side effects. As a type of antifungal medication, this product is thought to work by killing certain types of fungus that may cause seborrhea.

What Is Extina?

Extina® (ketoconazole foam) is a prescription skin medication. It is approved to treat seborrhea.
(Click Extina Uses for more information on this topic, including possible off-label uses.)

Who Makes This Medication?

Extina is made by Stiefel Laboratories, Inc.

How Does Extina Work?

Extina is part of a group of medications known as antifungals. Seborrhea has been linked to certain types of fungus, and Extina is thought to work by killing the fungus, although this is not known for sure at this time.

When and How to Use It

Some general considerations to keep in mind during treatment with Extina include the following:
  • This medication is typically used twice a day for four weeks.
  • Turn the canister upside down and dispense into the cap or another cool surface. Dispensing it into a hand is not recommended, as it begins to melt immediately upon contact with warm skin.
  • Gently massage the foam into the affected area, picking up only small bits of the foam at once. If your hands are warm, you might want to cool them off by rinsing in cold water and drying beforehand. If the foam still seems runny, try running the can under cold water for a few minutes.
  • If you are applying the foam to a hairy area, such as the scalp, part the hair as you go and apply the medication directly to the skin rather than the hair.
  • For the medication to work properly, it must be used as prescribed.

Extina Drug Information

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