This document discusses common types of over-the-counter (OTC) drugs that are abused, including cough syrups containing codeine and dextromethorphan, pain relievers with ibuprofen, paracetamol and codeine, high-caffeine energy drinks, pseudoephedrine found in cold medicines which can be used to make methamphetamine, and laxatives which can cause dehydration when abused. Sources listed provide additional information on prescription and OTC drug abuse.