Tramadol is a drug used to alleviate moderate to severe pain in adults. It is available only by prescription, and most commonly comes in tablet

Methadone is commonly used to help treat drug addictions, with the purpose of helping opiate addicts stop using more dangerous, harmful substances. Under this treatment

Vicodin contains the over-the-counter medication acetaminophen, the active ingredient in Tylenol, and the opioid painkiller hydrocodone. It is a prescription medication dispensed to treat moderate-to-severe

Oxycodone is an opioid medication prescribed to treat moderate-to-severe pain. Oxycodone is intended to be taken every six hours, as needed to manage pain. Oxycodone

Methadone is a prescription medication dispensed to treat moderate-to-severe pain, as well as the treatment of drug addiction through helping prevent withdrawal symptoms caused by

Kratom is an herbal drug that has been around for thousands of years, but has become popular recently in the U.S. and is currently legal