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What can cause blisters and itching after unprotected sex?

This Premium Q&A, reviewed and published, features a real conversation between an iCliniq user and a physician.

Patient's Query

Hello doctor,

I am 18 years old, and I just lost my virginity without protection a week ago. Took an I-Pill under 24 hours to prevent pregnancy. After some days, I noticed blisters, a weird odor, itching, and a burning sensation in my intimate area.

What to do?

Kindly help.

Thank you.

Hello,

Welcome to icliniq.com.

I read your query and understood your concern.

It is completely understandable to feel scared and confused right now. You did the right thing by taking the emergency contraceptive pill promptly for pregnancy prevention.

However, the symptoms you are describing, such as blisters, a strange odor, itching, and burning, are very important and point toward a possible infection. This could be a sexually transmitted infection. The emergency pill does not protect against sexually transmitted infections.

The most crucial step you can take right now is to see a doctor or a gynecologist. I know this feels frightening, but it is the only way to get a proper diagnosis and the treatment you need. These infections will not go away on their own and can have long-term health consequences if left untreated.

Please visit a local clinic or a Planned Parenthood center. They see situations like this every day and will provide confidential, non-judgmental care. You are not alone, and getting medical help is the bravest and kindest thing you can do for your body right now.

I hope that this answers your query.

Kindly follow up if you have more doubts.

Thank you.

Medically reviewed byiCliniq medical review team

Published At February 10, 2026
Reviewed AtFebruary 11, 2026

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