The U.S. Drug Enforcement Administration categorizes Ritalin in the same category of highly addictive drugs as cocaine and morphine. Eleven international drug regulatory agencies warn that stimulants like Ritalin cause addiction, depression, insomnia, drug dependence, mania, psychosis, heart problems, stroke and sudden death.
Even if the drugs did manage to take away anxiety, they could simply be replaced with these documented side effects: hallucinations, delusional thinking, confusion, aggression, violence, hostility, agitation, irritability, depression and suicidal thinking. Antianxiety drugs are also some of the most difficult drugs to try and withdraw from.