Over-the-counter medications abused by teenagers
Dextromethorphan, or DXM, an ingredient in more than 140 cough and cold medications, is a safe and highly effective cough suppressant; however, when ingested in excessive amounts, DXM produces physiological effects that include hallucinations, feelings of detachment from surroundings and self, loss of motor control, drowsiness, rapid heartbeat and vomiting.