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What causes overnight blister with clear fluid on upper arm?

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Practicing since : 2010
Answered : 6248 Questions
i woke up with a blister about an inch in diamater yesterday was red around it now just a blister on upper arm slight tingle but clear fluid
Posted Sun, 9 Feb 2014 in Skin Hair and Nails
Answered by Dr. Rahul Kumar 21 minutes later
Brief Answer: Insect bite Detailed Answer: Hello Thanks for the query, Overnight blisters usually develop in case of insect bites. You mentioned slight tingle which supports the diagnosis of unnoticed insect bite. Can you please upload a photograph of the lesion. You have a feature to upload the reports / image by yourself at the right side of the query page, please utilize that so that I can answer your queries better. You can also send the reports/ image to YYYY@YYYY with the subject as 'ATTN: Dr. Rahul Kumar'." Waiting for your response. Thank you
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Follow-up: What causes overnight blister with clear fluid on upper arm? 5 hours later
sent picture
Answered by Dr. Rahul Kumar 11 hours later
Brief Answer: insect bite allergy Detailed Answer: Hello Thanks for the photograph. It is looking like insect bite allergy. Take anti histamine tablet like cetrizine and apply hydrocortisone lotion twice daily. You will get relief within a week. Let me know if you have any other doubts. Thank you
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