What Causes Overnight Blister With Clear Fluid On Upper Arm?

Posted on Mon, 20 Jan 2014

Medically reviewed by Ask A Doctor - 24x7 Medical Review Team

Mon, 20 Jan 2014 Answered on

Mon, 10 Feb 2014 Last reviewed on

Question : 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

Answered by Dr. Dr. Rahul Kumar (5 hours 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

Above answer was peer-reviewed by : Dr. Vaishalee Punj

Follow up: Dr. Dr. Rahul Kumar (5 hours later)

sent picture

Answered by Dr. 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

Above answer was peer-reviewed by : Dr. Shanthi.E