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Dear Sir,
Just pull the skin back and see if you have injured anything on the foreskin or glans.
If there is no injury then the most common cause is hematospermia i.e. blood in semen. The most common cause for the same is high blood pressure. You should get your blood pressure checked and beyond that nothing much needs to be done. Hematospermia is caused by high blood pressure in 70% of patients and no cause is identified in the rest. It settles down by the control of hypertension ( if that is the cause) or just by itself in 4-6 weeks.
Take care.
Regards
Patient replied :
My BP has been under control with medication. Would that still be a factor?
Thanks for writing to us again.
During sexual arousal there is always a possibility that your BP rises to an appreciable extent. This increased BP leads to the rupture of small blood vessels and hence blood in semen. It is nature's way to let you know that your BP control is marginal and you need to control it better and avoid any other major catastrophic complications.
Take care.
Regards
Patient replied :
My BP has been under control with medication. Would that still be a factor?
Dear Sir,
It can still be a factor and you should check your BP twice or thrice a day, for the next few days because it may be high for only a few hours everyday or may be rising only with excitement.
Thank you.