When are topical corticosteroids recommended for contact dermatitis?

Contact dermatitis develops after the skin reacts to an irritant or allergen. A topical corticosteroid reduces local inflammation, which can ease redness, swelling, itching and soreness. The choice of product depends on the body site, thickness of the rash and how inflamed the skin is. Sensitive areas such as the face, eyelids, skin folds and genitals need particular care because stronger products can cause harm when used there without guidance.

Stop or avoid the suspected trigger where possible, wash away irritants gently and use the prescribed product exactly as directed. Apply a thin layer to affected skin rather than healthy surrounding skin, and continue moisturising with a bland emollient as advised. Do not cover the area with a tight dressing unless a clinician has told you to. If the rash returns after treatment, the trigger may still be present or the diagnosis may need checking.

Arrange medical review if the rash is spreading, repeatedly returning, painful, oozing or not settling with the advised treatment. Seek urgent help for facial swelling, breathing difficulty, widespread blistering, skin peeling, fever or involvement of the eyes or mouth. These features need assessment rather than self-treatment with a stronger cream.

Ask which trigger is most likely, which strength is suitable for the affected site, how often to apply it, and how long to continue. Confirm whether a moisturiser, allergy evaluation or patch testing would help prevent another flare.