You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is A 45-year-old male has multiple grouped vesicular lesions present on the T10 segment dermatome associated with pain The most likely diagnosis is - and explain in detail?
Ans. is 'a' i.e., herpes zoster * Here is a D/d of commonly asked vesico bullous disorders* So the crux is -Painful lesions are seen in Herpes infection.Painless lesions are seen in-Dermatitis herpetiformis Pemphigoid Pemphigus Erythema multiformeDermatomal involvement-Herpes zosterItchy lesions-Dermatitis herpetiformisIntraepidermal-Herpes and pemphigusSubepidermal-Dermatitis herpetiformis Pemphigoid Erythema multiforme