Is it herpes or something else?

i dont curently have any rash on my penis but ill attach the acne on the but. ive been very scared please help. doctor couldnt figure it out, will be seeing a urologist soon. i had umprotected sex for the first time 3 years ago, my partner was a virgen but she got a yest infection and i got a rash that looked exactly like balanitis, no paint no blisters, maybe just a little desconfort. it happened with 2 other girls after, all same symtoms and only when its umprotected. Blood test came negavive for hsv2, but possitive for hsv1, however ive had cold sores since a kid, could the reacuring belanitis be actually herpes? even tho it only happens and happens everytime i have raw sex? i also notice i have alot of but acne which ive saw was related but its always there and theres no paint or blisters,

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i think its cause of sweating in the gym.

What you have going on on your butt is most likely related to your gym workouts. At the end of each session you need to fully shower but then rinse whatever it is you have used to wash yourself with fully off the skin.
You must then put on at least clean underwear - DO NOT leave the sports or other clothing you have used during your workout in place and simply go about whatever it is you are doing afterwards - otherwise you will get all kinds of reactions going on between your skin and the workout clothing.
As for the sexual related stuff probably best to see a urologist or sexual health expert
Using condoms is not a bad idea

this looks like molluscum contagiosum.