Being an opioid, hydrocodone is a highly addictive drug. It is among the most commonly prescribed pain killers in United States. As a result, the number of people addicted to it is also high. Even people, who take it for therapeutic purposes exactly as prescribed by their physician, are at a risk of becoming addicted to it. Hydrocodone addiction can be difficult to detect since users think they are taking their usual dose of their medicine. But even people who know about their addiction tend to hide it to avoid the long haul of the treatment. If a love done is taking hydrocodone based drugs, it is important to strictly monitor their use to avoid the development of addiction.