Should i take aspirin?????????????????????/?

well i was at the beach today and i got a peircing red sunburn. ok so i havent been hungry for hot food. for beakfast before the beach i had a toasted bagel with cream cheese and lunch an egg salad sandwich nd soda. but after the beach (i had the peircing red stingy sunburn) i wasnt that hungry and def. didnt want hot spaghetti so i ate cold salad no drressing and gs. but this isnt the problem.my l hole (where pee comes out is stingy a little and pee comes out in tiny squirts like every 5-10 mins and i havent pooped at all? ive been very hot,,,, whats rong??????/ small bumps on parts of the sunburn too! SHOULD I TAKE ASPIRIN?????? i cant sleep bcuz of the sunburn