Get our free Naloxone coupon and be eligible to receive a discount. You can reduce your Naloxone cost by up to 75% with our free Naloxone discount card. Bring it to a participating pharmacy near you to save on your prescription medication.Naloxone is a special narcotic drug that reverses the effects of other narcotic medicines. Naloxone is used to reverse the effects of narcotic drugs used during surgery or to treat pain. Naloxone may also be used to treat narcotic drug overdose or to diagnose narcotic drug addiction. Naloxone may also be used for purposes not listed in this medication guide.