Hi I Am 25 I Had Sex Last Week Saturday

Hi I am 25 I had sex last week Saturday and today is Saturday she was dry and I kept going which is y I knw the reason of my friction burn . because I dnt have any burn wen I pee and jus experienced funky discharge yester and today . wat did I do to myself . i dnt knw HW to heal it .. Scared of wut it mite turn into and since its a common problem the clinic is the last resort . because men have told me it happens almost erybody I talk to had da same story and didn't require going to the doc .. But I'm scared fr ion want nun bad to happen wat do I do plzz help me . any suggestions like cream or pills . ita burns wen soap hit it so it hard to clean like I normally would . been jus tryna clean it by letting the water do it I knw Rubin it with abrap will worsen the problem I was told to jus sit in the tub and avoid touching it . with the exception of pulling my fore skin bak so it reaches the problem it cleans me OK I feel better after a long bath but later that day I get discharges n it foul . help any over the counter stuff will b awesome I need to get bak to feeling normal plzz