If that doesn’t work, administer naloxone. Learn more: opirescue.comCredit: Shay CastleOther steps to take when someone ODsAdminister Narcan / naloxone before calling 911. Per Boulder County Public Health, do NOT: leave the person alone; inject them with speed, milk, salt water, etc. If you are using substances or around people who are, you should absolutely carry naloxone, Evanoff says, since synthetic opioids like fentanyl can be in any drug. Even if you don’t have drugs in your daily life, Evanoff says it’s still worth it to have Narcan readily available.