Diathronol ointment is used for: March 2011
**Core Concept**
Diathronol ointment is a topical medication used to manage a specific skin condition. It contains a corticosteroid as its active ingredient, which helps in reducing inflammation and itching.
**Why the Correct Answer is Right**
Diathronol ointment is used to treat eczema, a chronic skin condition characterized by dry, itchy, and scaly skin. The corticosteroid in the ointment works by suppressing the production of inflammatory chemicals, such as histamine and bradykinin, which cause itching and redness. By reducing inflammation, diathronol ointment helps to alleviate symptoms and promote healing.
**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because diathronol ointment is not used to treat fungal infections, which require antifungal medications like clotrimazole or terbinafine.
**Option B:** This option is incorrect because diathronol ointment is not used to treat bacterial infections, which require antibiotics like penicillin or erythromycin.
**Option C:** This option is incorrect because diathronol ointment is not used to treat viral infections, which require antiviral medications like acyclovir or oseltamivir.
**Clinical Pearl / High-Yield Fact**
When treating eczema, it's essential to use a corticosteroid ointment like diathronol, but for a limited duration to avoid skin thinning and other side effects. Topical corticosteroids are available in varying strengths, and the choice of strength depends on the severity of the eczema.
**Correct Answer: C. Diathronol ointment is used for eczema.**