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What is A 55 year old male, with uncontrolled diabetes mellitus and hypertension, developed severe air-borne contact dermatitis. The most appropriate drug for his treatment would be – and explain in detail?
Treatment of Allergic contact dermatitis


Topical corticosteroids in combination with oral antihistaminics are effective in most cases.
Extensive contact dermatitis may require treatment with a short course of oral corticosteroids.
In air-borne contact dermatitis, azathioprine may be effective.

As corticosteroids are contraindicated in patients with DM and hypertension, best option here would be azathioprine