The m367 white oval pill contains a blend of acetaminophen and hydrocodone bitartrate, serving as an analgesic. While hydrocodone bitartrate is categorised as an opioid analgesic, acetaminophen does not fall under this classification. Typically, the m367 tablet comprises 10 mg of hydrocodone bitartrate and 325 mg of acetaminophen, with hydrocodone present in a lesser quantity.