i’m so scared rn for no reason

i wasn’t even having any anxiety symptoms, like not any worse than normal, but for some reason i am so terrified that im gonna throw up. i’m so insanely anxious like im not having a panic attack but im just really scared. i feel fine mostly just a little gross but i always feel kind of shitty from just being generally anxious all the time. but no i’m like so scared rn and i don’t know why i can’t calm down or get rid of this feeling can someone help me idk why this is happening i had a fun night with my friends and now that im home im tweaking out like i genuinely considered going to the hospital because im scared that im gonna go insane. and i also have a cough rn and thats freaking me out too. and i feel full from drinking and eating and everything is just bad rn idk what to do