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itchy blisters

i have littlt blister on the back of my legs and they r very itch can u tell me what they r
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563773 tn?1374250139
These itchy blisters can be due to contact dermatitis, allergies, heat rash, sweat dermatitis or erythema multiforme. You can apply some calamine lotion at the rash as it will help in soothing the skin. You can take some OTC oral antihistamine medications like Benadryl or Claritin and see if it helps. If the symptoms persist then you may need topical or oral steroids for which you have to consult a dermatologist.
It is very difficult to precisely confirm a diagnosis without examination and investigations and the answer is based on the medical information provided. For exact diagnosis, you are requested to consult your dermatologist. I sincerely hope that helps. Take care and please do keep me posted on how you are doing.

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