Hi
Hematospermia (blood in the semen) is a common condition. You’re correct for most people it is nothing to worry about as it is rare for there to be a serious medical condition to cause this.
In some situations blood in the semen can be a sign of a more serious condition. Given this I would just recommend seeing your family doctor about what happened. They would be able to make sure there is nothing serious going on.
Metrovan Urology has a good information page on Hematospermia.
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Health Nurse
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