When I went to the dentist a year ago I was given 500mg/5mg tyleonl/hydrocodone tablets with the phrase ‘M357’ on them. My dad has gout and has M361 tablets that are 500mg/10mg. What other numbers are there on Vicodin tablets and what do they stand for? What are M360, M367, and the others? I have heard Vicodin varies from 500mg/5mg to 500mg/50mg.
At the bottom of this page is listed the US names and dosages of several different proportions of hydrocodone/APAP tablets, going under the trade names Vicodin, Lortab, Maxidin, and Norco.
This page does not have the markings. Perhaps someone with a PDR can help you.
They are (sorted by hydrocodone/APAP content):