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Extina
Extina (generic name: ketoconazole) is a topical antifungal foam used to treat seborrheic dermatitis (a skin condition that causes scaly patches and dandruff). Ketoconazole is an azole antifungal that helps reduce fungal growth on the skin and relieve associated symptoms like itching, redness, and scaling.
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Frequently Asked Questions
How long does it take for Extina to work?
Most patients begin to see improvement in seborrheic dermatitis symptoms within 1 to 2 weeks, but full results may take 4 weeks of consistent use.
Can Extina be used for other fungal infections?
Extina is primarily indicated for seborrheic dermatitis. Your healthcare provider can recommend other treatments for different fungal infections.
Can I wash my hair after applying Extina?
Wait at least 4 hours after applying Extina before washing your hair or scalp.
Is Extina safe for children?
Extina is approved for use in patients 12 years and older.
Does Extina contain steroids?
No, Extina is a non-steroidal topical antifungal foam.
Comprehensive Drug Guide
How Does Extina Work?
Extina works by inhibiting the production of ergosterol, a component of the fungal cell membrane. This weakens the fungal cell membrane, leading to the death of the fungus and relief of symptoms like scaling and itching.
Common Dosages
- 2% ketoconazole foam
Typical Dosing
- Apply Extina foam to the affected areas of the scalp or skin twice daily for 4 weeks, or as directed by your healthcare provider.
Typical Dosing
FDA Approved Indications
- Seborrheic dermatitis of the scalp in patients aged 12 years and older
Who Shouldn't Take Extina?
- Known hypersensitivity to ketoconazole or any of the components of the foam.
Advice From The Pharmacist
- Apply Extina to clean, dry skin and gently rub it into the affected area.
- Avoid using Extina on open wounds or broken skin.
- Wash hands thoroughly after applying the foam.
- Do not cover the treated area with a bandage or dressing unless directed by your healthcare provider.
Side Effects of Extina
Common Side Effects
- Mild skin irritation at the application site
- Burning or stinging
Uncommon/Severe Side Effects
- Severe allergic reactions
Risks and Warnings of Extina
- Skin Irritation: Some users may experience mild redness, itching, or burning at the application site. If severe irritation occurs, discontinue use and contact your healthcare provider.
- Allergic Reactions: Although rare, stop using Extina and seek medical attention if you experience a rash, swelling, or difficulty breathing.
Interactions with Extina
Common Drug Interactions
- Topical corticosteroids: Using Extina with other topical treatments may increase the risk of irritation or interaction.
Alternatives to Extina
- Nizoral (ketoconazole shampoo): A shampoo formulation of ketoconazole used for seborrheic dermatitis and dandruff.
- Loprox (ciclopirox): Another topical antifungal cream used for treating fungal infections.
- Selsun Blue (selenium sulfide): An over-the-counter medicated shampoo for dandruff and seborrheic dermatitis.
