<s>[INST] I was about to give oral to my husband after I put my mouth on his penis just once I notice my mouth tasted like blood, under the tip of his penis he was bleeding like a little cut was there I'm not sure but I tasted his blood and washed my mouth out fast and use some toothpaste can I get hiv from that or sti or anything [/INST] Hello and Welcome to ‘Ask A Doctor’ service. I have reviewed your query and here is my advice. According to history provided you have been exposed to blood from your partner. If you are having oral ulceration then HIV can be spread if your partner is having HIV. with the exposed secretion hepatitis B can be spread. So if you have doubt then you can check your appetite hepatitis B  and HIV status by Elisa testing. Consult urologist or dermatologist for examination if needed. Hope I have answered your query. Let me know if I can assist you further. </s>