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Are you mainly concerned about HIV ?
The STI,s which can be transmitted in such situations include mainly the oral herpes and even syphilis. For these diseases to spread there have to be active lesion in the oral cavity. The risk of transmission of HIV,HBV and HCV is very likely in these cases. In your case if there wasn't any oral cavity lesion in your partner oral cavity the chances of spread of any STI is very very unlikely.
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What are your symptoms ?
No it is unlikely to spread this way
Oral to oral is a very unlikely mode of spread. It can be transmitted by oro-vaginal and through normal vaginal and penile routes. If your partner has an oral chlamydia it can be transmitted. Can you tell me what are your symptoms ?
Thanks for the information
These symptoms definitely warrant a STD screening test. As I mentioned that the chances of transmission of infection this way are quite less but not absolutely zero. And knowing your symptoms you definitely need to get tested. Even if turned out to be a chlamydial infection there is nothing to worry about as it is completely curable with antibiotic therapy.