Thank you! It's interesting because I've been taking it for years as part of Suboxone. The primary use is to stop someone from abusing buprenorphine, which is hard to do anyway. Suboxone is a deterrent for opioid abuse (I'm sober 12 years now and still use it.). But naltrexone or naloxone used alone can save the life of someone who ODs on opiates.

I recently had both knees replaced and had to rely on Celebrex and then Tylenol for pain. A nerve block was also used for a few days. But I never had a real problem with the pain from what is a traumatic procedure. Maybe it was the naltrexone!