Opioids are derivatives of morphine, a narcotic pain reliever. The term opioid generally refers to morphine and other opium poppy-based medications. Opioids work by decreasing pain signals being transmitted through the nervous system, which suppresses our perception of pain.
When you swallow semen, Semen and sperm go down into your stomach, where they are digested with all your other food. There is no passage connecting your stomach to your ovaries. You can not get pregnant from swallowing sperm. If the donor has no STDs, it is perfectly safe.
yes   Yes, it can. Any transfer of body fluids, such as semen or blood,  can cause spread an STD. A: Well it can't CAUSE an STD, but  if the guy has an STD then he can s â¦ pread it to you. You don't have  to swallow his semen to get the STD. you can get it by getting any  bit of semen or pre-cum in your mouth.