(Virgin, M) feel burning in urethra after orgasms, fixed by sufficient urination otherwise urge n discomfort is there even if I cant pee. Explanation?

Couple items. An infection is possible, but urethral cultures would need to be taken along with a urine. Some women have difficulty with post coital infections secondary to the dragging up the vaginal bacteria towards the urethra. Lastly, it could be just the trauma associated with intercourse to the urethra. Personally I do not think the orgasms are associated with the symptoms as far as I know.