
Sexually Transmitted Infections
I get cold sores. Can I pass these onto others if I give someone else oral sex?
Yes. Cold sores are a symptom of herpes simplex virus type 1, which can be spread to the genitals through oral sex. Herpes simplex virus type 2 is the kind of herpes that purely affects the genitals. Using protection like condoms and dental dams can help prevent the spread of herpes.
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More Sexually Transmitted Infections Q&A

Will having sex with a virgin cure someone with an STI, including HIV?

How long does it take for an STI to show up?

How do I know if I have an STI?

How well do condoms help protect against HIV infection?

What is HIV?

Can HIV be transmitted through hugging, shaking hands or mosquito bites?
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