Hydrocodone 10-325 mg is the combination of two types of compositions, which are 10 mg Hydrocodone Bitartrate and 325 mg of acetaminophen. This special combination is used to alleviate moderate to severe pain as a cough suppressant. The M367 white oval pill is highly effective, but also takes serious risks with misuse of its categories under Schedule II controlled substances. m367 pill white is most effective when used for short-term pain relief, such as surgical pain, injury, and prolonged treatment, such as chronic back pain, arthritis pain, and dental pain.