Haemospermia is mostly a benign condition. You have many associated diseases but have not listed the medications you are taking. Many people on blood thinners like aspirin (ecospirin) may suffer bleeding without any pathology. The most common cause of haemospermia, though, is prostatitis, as probably in your case. It is usually treated medically with prolonged low dose of antibiotic course, extending to 8 to 12 weeks. No, it is usually not advisable to have prostatic massage as it may add mechanical trauma to already inflamed gland. Cystoscopy too may not be necessary unless it is associated with presence of blood (RBCs) in urine.