Specifically, the STDs that most commonly cause blood in urine are chlamydia and gonorrhea. Seeing blood in your urine can be very worrisome and the best course of action is to see a doctor if this symptom persists for several days.

Can chlamydia cause blood in urine?

In men, chlamydia can cause urethritis. This is a swelling of the urethra and may cause blood in the urine.

What STD cause you to bleed?

Chlamydia sometimes causes inflammation that leads to bleeding between your periods. This bleeding may range from light to moderately heavy. Chlamydia can also lead to bleeding after any type of sexual activity involving penetration.