There are a lot of reasons why the penis can be hard and painful in the middle of the night, generally considered physiological reasons, chronic prostatitis, glans, epididymitis or seminal vesiculitis and other reasons.
1. Physiological reasons: when the human body is affected by sexual impulses, sexual stimulation and other reasons, there can be excessive penile erection, pain and discomfort, can be adjusted through the psychological and physical state, reduce the sexual impulses and sexual stimulation and gradually alleviate.
2. Chronic prostatitis: Chronic prostatitis can lead to urinary retention due to incomplete urination, and urine stimulation of the bladder neck leads to penile erection and distension, which can lead to penile pain after erection.
3. glansitis: in the middle of the night when the penis erection due to the glans area of the infection can occur pain, can be accompanied by urination pain and other manifestations, must follow the doctor’s instructions anti-infection treatment.
4. Epididymitis or seminal vesiculitis; due to bacterial infection, through unclean sex, retrograde spermatic tract and blood and other channels of infection, inflammation and infection can stimulate the local pain in the erection, accompanied by testicular enlargement and pain, hematospermia and other clinical manifestations, must be followed by anti-infective treatment.
Usually should minimize sexual stimulation and sexual impulses, penile erection pain can not be relieved, accompanied by other symptoms of discomfort, need to be timely hospital checkups.