If you see blood in your semen, it's likely to clear up without treatment. However, it's a good idea to make an appointment with a healthcare professional. A physical exam and simple blood or urine tests are often all that is necessary to identify or rule out many causes, such as infections.

If you have certain risk factors and symptoms, you might need more testing to rule out a more serious condition. Call your healthcare professional about blood in semen if you:

• Have blood in semen that lasts longer than 3 to 4 weeks.
• Keep seeing blood in semen.
• Have other symptoms, such as pain while urinating or pain with ejaculation.
• Have other risk factors such as having a history of cancer, bleeding conditions or having recently had sex that puts you at risk of sexually transmitted infections.