Is there any concern about semen appearing after a bowel movement?

Appearing where?: If you pass mucus like material after or with a bowel movement, it is not likely to be semen. Some mucus normally passes from the lining of the colon along with the feces. If you have bleeding or pain, that should be checked by your doctor. I you have receptive anal sex you may pass semen afterwards.

Semen/BM: Stool can press on prostate and cause this to happen.