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What Causes Painless Blisters On The Penis?

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Posted on Thu, 23 Jun 2016
Question: I have noticed two new “spots” on my penis, and I’m concerned this may be some kind of STD.

I’ve attached pictures. Spot 1 is whitish and hard. Spot 2 is smaller and soft. Spot 1 appeared 5th April . Second spot appeared 15th April. They are not itching or painful. They haven’t changed much since they appeared (writing this April 28th).

On 22 March I received oral sex from “girl 1”. On March 29 had unprotected vaginal sex with a girl who has a HPV strain (but no visible “spots”). Is it likely that I got anything from the oral sex?

I understand it’s hard to say, but are these blisters more likely to be HPV or herpes? Or something else?

Please send me a list of the lab tests I need to rule out all possible STDs including HSV1, HSV2, chlamydia, gonnorhea and anything else you would recommend?
doctor
Answered by Dr. Dr. Kakkar (23 minutes later)
Brief Answer:
possible genital warts

Detailed Answer:
Hello. Thank you for writing to us

I am dr.kakkar(dermatologist). I have gone through your query and i have noted your concern.
The images suggest that these could be warts i.e hpv infection. They dont seem like genital herpes.

Unprotected vaginal sex is a risk for transmission for STDs.

I suggest you to screen for Hiv ( 4th generation P24 antigen and anti hiv antibody test), vdrl for syphilis, Elisa for hsv type 1&2, swab test for gonorrhea and chlamydia.
In addition you may take a PCR for HPV DNA. That would be confirmatory for hpv infection as well as determine hpv type.

Regards
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
doctor
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Follow up: Dr. Dr. Kakkar (16 minutes later)
Thanks! Are there any blood or urine tests that can be taken for chlamydia and gonorrhea?
doctor
Answered by Dr. Dr. Kakkar (11 hours later)
Brief Answer:
NAAT test

Detailed Answer:
Hi.

For chlamydia and gonorrhea you may go for a urine NAAT test i.e nucleic acid amplification test.

Regards
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
doctor
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Follow up: Dr. Dr. Kakkar (10 hours later)
Is "PCR for HPV DNA" a swab test for men, or can sample be collected via blood or urine? The lab I visited could only do swab, but I'm unsure of simply swabbing the "spots" are enough.
doctor
Answered by Dr. Dr. Kakkar (34 minutes later)
Brief Answer:
PCR for HPV DNA is a swab test

Detailed Answer:
Hi.

PCR for HPV DNA is a swab test. They would swab the suspected lesions and neighboring skin.

Regards
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
doctor
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Follow up: Dr. Dr. Kakkar (14 days later)
What medicine/creams are available against HPV warts in India?
doctor
Answered by Dr. Dr. Kakkar (4 hours later)
Brief Answer:
Imiquimod 5% cream and podophyllin resin

Detailed Answer:
Hi.

Imiquad (imiquimod5% cream) and Podowart (podophyllin resin) are common prescription medications for Hpv genital warts.

Regards
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
doctor
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Follow up: Dr. Dr. Kakkar (25 minutes later)
Can you please send a scanned prescription?
doctor
Answered by Dr. Dr. Kakkar (12 hours later)
Brief Answer:
Kindly walk into the office of a local dermatologist

Detailed Answer:
Hi.

I suggest you to contact a local doctor/ dermatologist who would be able to write a prescription for you or perform a treatment at his/her office. In XXXXXXX you can directly walk into a dermatologist office without prior appointment. There is no need to get a referral from a general practitioner and there are usually no long waiting times (at most a day or two).
Podophyllin resin is 20% and is anyways not for self application. It is a physician applied treatment. Excess self application of resin can cause toxicity therefore a doctor should apply it.
Even though (unlike podophyllin resin) topical podophyllotoxin 0.5% gel can be self applied. It is a prescription medication and unfortunately podophyllotoxin is not available in XXXXXXX So it is not an.option.
Imiquimod 5% cream is for self application but again it is a prescription medication. It also needs to be used under supervision because of its irritant potential.
Besides, i guess either electrocautery (for just a few genital warts) Or alternatively podowart (podophyllin resin) application by a dermatologist would be netter and practical options. Podowart would require just 1 or 2 applications, a week apart. Imiquad on the other hand would take longer time (3-4 weeks) and it needs daily application too.
So my best advice for you would be either podowart application by a local dermatologist Or electrocautery ablation by a local dermatologist.

Regards
Note: Consult a Sexual Diseases Specialist online for further follow up- Click here.

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

Dermatologist

Practicing since :2002

Answered : 9612 Questions

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What Causes Painless Blisters On The Penis?

Brief Answer: possible genital warts Detailed Answer: Hello. Thank you for writing to us I am dr.kakkar(dermatologist). I have gone through your query and i have noted your concern. The images suggest that these could be warts i.e hpv infection. They dont seem like genital herpes. Unprotected vaginal sex is a risk for transmission for STDs. I suggest you to screen for Hiv ( 4th generation P24 antigen and anti hiv antibody test), vdrl for syphilis, Elisa for hsv type 1&2, swab test for gonorrhea and chlamydia. In addition you may take a PCR for HPV DNA. That would be confirmatory for hpv infection as well as determine hpv type. Regards