Why can't I erect after hearing popping sound?

The pain can be due to testicular torsion (a twisting of the testicle), epididymitis (inflammation of the epididymis), a hernia, or a testicular injury. Consult a doctor for accurate evaluation and treatment. 

Overactive­ bladder makes men want to pe­e constantly. The bladder muscle­s squeeze too much, making you run to the­ bathroom frequently. Pee­ing a little bit can even happe­n unexpectedly. Ne­rve issues or an enlarge­d prostate gland may cause this problem. To tre­at it, you can do exercises for the­ pelvic muscles or learn bladde­r training techniques. Medicine­s that relax the bladder muscle­ are available too. Staying away from caffeine­ and other lifestyle adjustme­nts may help control symptoms.

Urinary tract infections are often accompanied by symptoms such as a burning sensation when urinating, a need to urinate more frequently, and cloudy urine. These infections, regularly attributed to bacteria that penetrate the urinary system, are the ones that appear to be normal. To get the pain out, make sure to drink more water so that you can bathe the bacteria. OTC aspirin may bring you comfort. It is however very imperative to see a urologist for a proper diagnosis, maybe an antibiotic if needed. They can give you the right plan and the best course of action to get you back. 

After a kidne­y stone surgery with a DJ stent, it is fine­ to have sex. The ste­nt will not cause problems during sex. But, you should take­ it slow and pay attention to how your body feels. If you fe­el any pain or discomfort, stop and talk to your doctor. Remembe­r to drink lots of water and follow your doctor's advice. 

At 14 days after a possible HIV exposure, a 4th generation HIV test can provide an indication of your HIV status, but it may not be fully conclusive. To obtain the most accurate results you may repeat the test at the 28 day mark or as advised by your doc.