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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes A Painless Blister On The Penis?

Small blister on the shaft of my penis, doesn t itch, doesn t hurt. There is only one small blister. I was masterbating pretty hard the other day, I m on antidepressants, so it takes a little more effort sometimes. Is masterbation the reason it is there. The last time I had sex was on August 7, 2015. So I m thinking that if it were herpes, it wouldn t be showing yet? Any help at all would be great.
posted on Sat, 22 Aug 2015
Twitter Tue, 5 May 2020 Answered on
Twitter Thu, 7 May 2020 Last reviewed on
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General Surgeon,  's  Response
Hello,

As per my clinical experience, there can be various possibilities as:
- Treponemal pallidum, spirochete infection after unprotected sexual intercourse, which can show up after a couple of weeks even
- If it was friction related to vigorous masturbation, there should be underlying burning, pain, irritation which are absent in this case

However, if you can provide a photo pic of the lesion, further guidelines regarding need of any lab test would be easier to comment.

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

Regards,
Dr. Bhagyesh V. Patel, General Surgeon
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What Causes A Painless Blister On The Penis?

Hello, As per my clinical experience, there can be various possibilities as: - Treponemal pallidum, spirochete infection after unprotected sexual intercourse, which can show up after a couple of weeks even - If it was friction related to vigorous masturbation, there should be underlying burning, pain, irritation which are absent in this case However, if you can provide a photo pic of the lesion, further guidelines regarding need of any lab test would be easier to comment. Hope I have answered your question. Let me know if I can assist you further. Regards, Dr. Bhagyesh V. Patel, General Surgeon