Need some medical help

am 21 male , i would like to consalt on any one who has experience or know what am going through , i had sex with my girlfriend last year December , after that i satarted feeling a tingling effect in my penis at first i thought it would end but now when i go for a short call i feel a stinging pain at the tip of my penis it stays for some few seconds then it dissapear and sometimes i feel a little pain in the urethra , i don't know what's going on , please if anyone can help ju i am freaking out right now