Sedgeb
I was with a guy and he touched my penis. But I don't know if it was the sensation of my precum or if it was his own precum that he used to rub my glans. It was in the dark. There was no other form of sex. I started pep 12hours after the incident when we tested and he turned out positive. What is my risk?
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helpline-volunteer
Hi there,

Thank you for your inquiry. From what we gather from your question you are asking about the risk associated with potentially coming in contact with pre-cum from a person living with HIV. 

From the information given this scenario has been determined to be Negligible Risk (There is no evidence or no documented cases of transmission. However, there is a theoretical possibility of transmission under certain extenuating circumstances). 

Theoretically, the scenario above meets two out of three components of the transmission equation (see below). For HIV transmission to be possible three components must be met. 

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HIV transmission requires the presence of HIV positive fluid (such as semen, vaginal fluid, pre-cum, rectal fluid, breastmilk, etc), coupled with a High, Low, or Negligible Risk activity, that provides the virus with direct access to the bloodstream. 

In this case, there has been no High Risk activity such as unprotected anal or vaginal intercourse, therefore the HIV transmission equation is not fulfilled and the risk of transmission is Negligible

The activity you described above (contact with pre-cum) is of Negligible Risk because "HIV does not survive long outside the human body (such as on surfaces), and it cannot reproduce outside a human host" (1). Due to exposure to oxygen,  HIV undergoes a rapid reduction in concentration,  making transmission via this activity Negligible. 

As you mentioned, you began PEP treatment within 12 hours following the activity that you had described. In order for PEP to be successful, it is required that those who believe they have come into contact with a risk of transmission seek PEP within 72 hours of the activity at hand (2). In order to reduce any further risk regarding transmission, it is recommended that you continue taking PEP for the full 28 days, and be re-tested following completion of PEP. 

Recommendation: There is no evidence or documented cases of transmission. However, there is a theoretical possibility of transmission under certain extenuating circumstances.
Refer to a healthcare professional for more personalized answers.


HIV inactive CDC (1)
PEP CDC (2)

Regards,

AIDS Vancouver Helpline/Online, Sonali and Ashley 

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