<s>[INST] Hello docs n experts, Since yesterday I m ejaculating red semen. I noticed it yesterday while masturbating, even today I seen same thing when I was trying to confirm was it a normal one day case or a serious issue. Now I think it is a serious problem for me. Please help me. [/INST] Hi , thank you for using health care magic.I can understand your concern.Red colored semen mostly suggest blood in it. It is possible due to injury to urethra  (like due to urinary stone)   , infection of prostate or urethra, etc.You need to take this issue seriously and need to see a surgeon.To get the diagnosis of your condition treating doctor need some local examination as well as prostate examination and urine routine micro examination, possibly also ultra sonogram of pelvis and prostate .Hope this will help you.Regards. </s>