Hydrocodone 10-500 mg is used for opioid disorder. It realse dopamine in our body . That helps us to relieve severe pain. It is used in a severe pain when other opioid medicine does not work properly . It can control our pain for 6 to 7 hours . Hydrocodone 325 mg is the strong drug that is used in opioid treatment . Sometimes it is used as a sleeping pile for us. https://mediclox.com/pain-relief/hydrocodone-10-500-mg/