I face problems with sex from time to time

Patient: Hi, i was infected with gonorrhoea within 12 months ago, i received treatment within two months and all the symptoms got away. after i got treated a stayed months without having sex but when i have sex i can’t last more than 4 rounds compared to how i could perform before infected. i also lost interests in having sex. i get pain in my back pains most of the time. will ever be able to produce because i haven’t yet? with my condition what do i have to do?

Symptoms: Itchy penis

Doctor: