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What Causes An Open Blister On The Side Of The Penile Frenulum?

Posted on Fri, 18 Nov 2016

Question: Hi there,
I have a small open blister on both sides of my frenulum - it's a bit sore and stings a little bit.
I had unprotected sex with a female a week ago and I also had genital to genital contact with a male also a week ago.
I don't appear to have any other sores/blisters anywhere else. Could this be genital herpes?
Thanks.

Answered by Dr. V. N. S. Parinam (8 minutes later)

Brief Answer:
Very likely to be STD

Detailed Answer:
Hi,

There is a high likelihood of STD, most likely a herpes.
You should visit a local doctor for relevant blood tests and urine.
Please do not delay the treatment as it can lead to long term implication if not treated early with Acyclovir in case of herpes.

Wish you good health.

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar

Follow up: Dr. V. N. S. Parinam (15 minutes later)

Thanks for your prompt reply.
Please see attached a couple of photo. Is this what herpes looks like?
I understand that the first outbreak would include multiple sores. I only have one on each side of my frenulum and nothing else.
Thanks.

Answered by Dr. V. N. S. Parinam (2 days later)

Brief Answer:
Looks to be herpes

Detailed Answer:
Hi,

Sorry for the delay in replying.
Yes it looks to be herpes.
Please refrain from sexual intercourse until the contrary is proven with blood and urine tests.
Early treatment with Acyclovir helps. It is already over 48 hours since the eruption the efficacy of acyclovir at this stage is questionable.
I suggest to see a PCP for a local guidelines for treatment of Herpes.

Take care.

Note: Hope the answers resolves your concerns, however for further guidance of skin related queries consult our Dermatologist.Click here to book a consultation

Above answer was peer-reviewed by : Dr. Nagamani Ng