Ok I have Diabetes for 27 years now. Here is my problem. The past couple of weeks i started with kidney pain thinking a stone. but, now for the past 3 days iv had diareaha, Nausia, Occasional headache, When i think about Mabie hiv i sweat like crazy prob stress. last night i was eating a pretzel and scraped it on the side of my mouth when it started to bleed. Looked in scraped the cheek but i also have a blood blister. I have bitten the side cheek before but never saw a blood blister. have only recieved oral sex