What are the concerns with having hydro addiction?

It's a Problem. Whether it is to hydrocodone, cocaine, marijuana, or even gambling, addictive behavior is always a concern. The individual loses a sense of control & perspective. As a result, s/he begins to neglect important parts of everyday life like family, employment, health & even leisure activities.
Opioid. Hydrocodone is an opioid and carries a syndrome consistent with oxycodone, oxycontin, or heroin problem.