A friend of mine had a vasectomy in April of 2011 and everything went routine but now almost none months down the road theres blood in his seamen and when he ejaculates the left side is beginning to hurt.. Could he have an STI or could it be a complication?
Hello and. As a Urologist, I can fully understand your anxiety. The blood in semen called hero/hemato-spermia, isn't due to vasectomy. Common causes are prostate enlargement, its cancer and prostatitis.1.He'll needs to get examined by a Urologist, and get certain tests like,2. Urine routine and culture.3. Blood routine, creatinine,RBS, PSA,platelets and LFT.4. Ultrasound scandium and THUS.(trans rectal scan). According to the reports, proper treatment can be advised. For my expert opinion on any doubt, send it as a direct question, to me. Chat Doctor.  Manga.