Millions of people around the world are said to suffer from some form of drug addiction. Drug addiction are diseases that over time cause changes in the person’s body, mind, and behavior, and the individual is unable to control his or her use of substances despite the harm that it causes.
As a person progress from substance use to abuse and possibly dependence, there are observable behavioral signs and symptoms. Like any other progressive, life-threatening disease, it is always desirable to intervene as early as possible when symptoms become apparent.
The symptoms in drug addiction and habituation vary with the type of drug, the amount used, and the personality of the user. Drug addiction is usually symptomatic of a personality disorder. Signs of drug addiction can include a decreased desire to work and/or socialize, extreme drowsiness, inattentive- ness, frequent mood swings, and restlessness.