Is it contagious for patients with to kiss?

Patient's question:

My boyfriend is an HBV patient. After spending a long time with him, I found out, can I get infected by kissing him or having sex with him?

Doctor's answer:

If you don't have canker sores or broken skin in your mouth, you will absolutely not get infected. Stomach acid can kill the microorganisms of the hepatitis B virus () on its own, so there's no need to worry about getting infected. If the opposite is true, there is a chance of infection, though it's very low. You should get tested for the "five tests" (), and if the results are negative, get vaccinated right away. That way, you won't have to worry anymore—you can go get vaccinated now.
For patients with chronic hepatitis B (), in addition to active treatment, they should also pay attention to maintaining a proper diet in daily life to digest nutrients. I hope the above answers can help you.

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