The reason why you want to pee when you have an erection may be due to prostatitis, urethral infection, and prostate hyperplasia.
1. prostatitis: prostatitis is due to the infection of pathogens and lead to a kind of urinary tract inflammation, the main clinical manifestation of urinary urgency, urinary pain, urinary discomfort, and penile congestion during erection, resulting in urethral irritation, caused by the erection of the desire to urinate.
2. Urethral infection: Urethral infection may be caused by bacterial infections such as gram-negative bacillus, Escherichia coli, etc. Due to the repeated stimulation of the urethral opening by the inflammatory factor, the urethral opening becomes sensitive, which makes the urge to urinate when having an erection, and may even be accompanied by the symptom of difficulty in urination.
3. Prostatic hyperplasia: Prostatic hyperplasia is a common male disease that can lead to a situation where there is a large amount of urine stored in the bladder, which can irritate the bladder and lead to an increase in the amount of residual urine, causing the desire to urinate during an erection.
If the desire to urinate when erecting occurs frequently, it is recommended to go to the hospital as soon as possible to the male department to do a checkup, to clarify the cause of the disease for treatment.