After sexual activity, men may experience a strong urge to urinate. This is a normal response and is not typically a cause for concern.
The sensation is caused by the release of certain hormones during sexual activity, which can stimulate the muscles in the bladder and cause the feeling of needing to urinate. In addition, during sexual activity, the prostate gland, which is located near the bladder, may also become stimulated, leading to the sensation of needing to urinate.
Another potential reason for the urge to urinate after sexual activity is that during ejaculation, semen is expelled from the body and can cause the bladder to contract and the feeling of needing to urinate.
It is also possible that during intercourse, the penis may come into contact with the bladder, which can cause irritation and the feeling of needing to urinate.
It's important to note that urinating after sexual activity can also help to flush out any bacteria that may have entered the urethra during intercourse, which can help to prevent urinary tract infections.