Welcome to HCM,
If there is no ulcer in the mouth, transfer of HIV usually doesn't occur due to oral sex
Due to window period, HIV test
can give false negative results after 30 days.
You should get your HIV tested after 3 and 6 months of incidence.
Please try to avoid oral sex in future and continue to use condom.
Please get your throat examined by an ENT specialist
by a Skin specialist and take treatment if advised.
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With good wishes,