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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Recurring Fluid Filled Blisters On Upper Arm?

I have suddenly developed 3 blisters on my upper left arm. one is the size of a dime and filled with liquid to the popping point. The other 2 are about 2 inches away from the first, about a half inch apart from each other, and also have fluid. Thes two blisters are minute in size. These are not caused by burns. Strangely. the same thing happened about a month ago on the same arm, but only one large blister appeared then. I woke up with these blisters, which makes me think they may be bug bites, but I am not aware of any bugs that leave blisters. I am concerned because this seems so strange, and no one I know has seen nor heard of this before. Lastly, the first blister, which kept popping and refilling with liquid, left a dark scar about an inch long. Any ideas?
posted on Mon, 10 Aug 2015
Twitter Sat, 9 May 2020 Answered on
Twitter Tue, 12 May 2020 Last reviewed on
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General & Family Physician,  's  Response
Hello,

Show your reports to a doctor in order that you get a better opinion. I think the blisters may be infected and you need to do a culture of the fluid of them to find which type of bacteria is causing them. Antibiotics may be needed.

Hope I have answered your question. Let me know if I can assist you further.

Regards,
Dr. Olgeta Xhufka, General & Family Physician
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What Causes Recurring Fluid Filled Blisters On Upper Arm?

Hello, Show your reports to a doctor in order that you get a better opinion. I think the blisters may be infected and you need to do a culture of the fluid of them to find which type of bacteria is causing them. Antibiotics may be needed. Hope I have answered your question. Let me know if I can assist you further. Regards, Dr. Olgeta Xhufka, General & Family Physician