Hello Doctor, Last week had sex with my bf with the use of contraceptive, I also had oral sex. After 2 days I had fever for a day .& goes automatically. Then my menstruation comes.&.now my mouth is burning, also feel temp in body. Feel heat in mouth. I had mouth ulcer. Dr. Gives me medicine. So Dr. please tell me is the any worry about hiv infection. I'm in fear because of oral sex. My bf is negative .we are in more than 2 years relationship. So thr is any worry. I did test & it's negative. Is further test is need. I'm sure my bf is negative. But don't know why this type of fear in my mind. Please help me.