That's it... my stomach hates me officially

Lately my stomach has been getting bad and I've had bouts of trapped gas and pain. This morning took the cake. It started out like usual with the gas and the pain but then my stomach was burning it felt like it was on fire. I was super nauseous, my burps tasted like old fried food like onion rings. Eventually threw up saw some blood in my throw up. Went back to the bathroom again and discovered i got the runs. Been suffering ever since. That was 3am and it's now 125pm. Still feel nauseous, stomschs not burning like it was thank god but i still have the runs which are pure water at this point.

No idea what the hell happened as i went to bed fine but damn