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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Is My Risk Of STI Transmission If A Sex Worker Rubbed Her Vaginal Fluids On My Lips With Her Finger Without Consent?

During a Batchelor party an exotic danncer/sex worker, without consent, rubbed her vaginal fluids on my lips with her finger. What are my statistical risks of STI transmissions, this was the only act which involved third party genital touching that I was involved with.
posted on Wed, 30 Jul 2025
Twitter Fri, 22 Aug 2025 Answered on
Twitter Mon, 1 Sep 2025 Last reviewed on
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General & Family Physician,  's  Response
Hello,

If the sex worker had an active outbreak and the fluid touched a cut/crack on lips, transmission is possible. The worst-case scenario might be a cold sore if the worker had herpes, but otherwise, you’re safe. You are advised to wait and watch for symptoms on lips (blisters, sores) in the next 2–3 weeks. Other STIs are unlikely to transmit in this way, since they need mucosal penetration and generally don’t spread from a finger to lips.

If you are having sleepless nights due to anxiety, then you can have a routine STI check or PEP if required for peace of mind. Statistically speaking, the risk in this situation is extremely low, with only a very small theoretical chance of herpes if there happened to be a cut or broken skin. If blisters, or sores appear in the next 2–3 weeks, please consult a health care professional, you may need antiviral medications.

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

Regards,
Dr Nupur K., General & Family Physician
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What Is My Risk Of STI Transmission If A Sex Worker Rubbed Her Vaginal Fluids On My Lips With Her Finger Without Consent?

Hello, If the sex worker had an active outbreak and the fluid touched a cut/crack on lips, transmission is possible. The worst-case scenario might be a cold sore if the worker had herpes, but otherwise, you’re safe. You are advised to wait and watch for symptoms on lips (blisters, sores) in the next 2–3 weeks. Other STIs are unlikely to transmit in this way, since they need mucosal penetration and generally don’t spread from a finger to lips. If you are having sleepless nights due to anxiety, then you can have a routine STI check or PEP if required for peace of mind. Statistically speaking, the risk in this situation is extremely low, with only a very small theoretical chance of herpes if there happened to be a cut or broken skin. If blisters, or sores appear in the next 2–3 weeks, please consult a health care professional, you may need antiviral medications. Take care. Hope I have answered your question. Let me know if I can assist you further. Regards, Dr Nupur K., General & Family Physician