Drug Addiction Assessment View Calculator Drug abuse may turn into drug addiction. How can you recognize if that has happened? Keep in mind that 'drugs' includes illegal drugs, as well as inhalants, solvents, steroids, among others. Take this quick assessment to learn more about the signs that drug abuse has progressed into drug addiction and help you determine whether or not you may have a drug addiction problem. Learn more about putting this calculator or other calculators on your website.