You apparently have spontaneous hematospermia, i.e. blood in semen. It happens to many men from time to time and generally is not a sign of STD or anything serious. Some cases, but not all, follow trauma to the perineum (the space between the rectum and scrotum), e.g. after a straddle injury, or painlessly after a bike ride, off-trail motorcycling, horseback riding, etc. Over the next few
ejaculationsBlood in the semen
Delayed ejaculation
Premature ejaculation
Retrograde ejaculation, the
colorColor blindness
Color blindness tests
Color vision test will shift to brown then fade.
See a health care provider (e.g., a urologist) if
brightBright beginnings red blood persists more than 2-3
ejaculationsBlood in the semen
Delayed ejaculation
Premature ejaculation
Retrograde ejaculation or if there still is brown discoloration after several more, or if the problem comes back repeatedly. Of course, if you have other STD symptoms (
dischargeAbnormal discharge from the nipple
Ear discharge
Eye burning - itching and discharge
Nasal discharge
Nipple discharge - abnormal
Urethral discharge culture
Vaginal discharge from the penis, painful urination, etc) don't wait--get it checked out right away. Otherwise, just sit tight (no pun intended) and don't lose sleep over it.