nose, or eyes. It is often confused with acne vulgaris, rosacea, and seborrheic dermatitis. The condition's precise etiology remains unknown, though it is often triggered by topical corticosteroids.

From eczema to allergic reactions to bug bites, here’s what common skin rashes look like in photos, and the symptoms that can help you I.D. the condition.

can this wealth of data be used to determine which preparation for each metal was the most valuable for the diagnosis of allergic contact dermatitis? The answer is complicated and unclear.

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