Order Here:-- https://cosmodix.com/pain-relief/hydrocodone/  rnHydrocodone M365 is an oval, white pill that contains hydrocodone bitartrate and acetaminophen. The imprint "M365" indicates that the pill has 5 mg of hydrocodone and 325 mg of acetaminophen. Hydrocodone is an opioid pain medication, while acetaminophen is a less potent pain reliever that increases the effects of hydrocodone. This combination is used to relieve moderate to severe pain.