POSSIBLE DRUG ABUSE PLEASE HELP:HYDROCODONE?

Hi i found a bottle of hydrocodone and am a little worried because of who's it is i didnt know what it was so i looked it up its called Lortab 10/500 witch has 10 mg of hydrocodone and and 500 mg of Acetaminophen or "Tylenol" what i am wondering is, is this a narcotic amount or drug abusive amount which the person could be using badly or even have a chance to. thanks you any info is a big help