Dextromethorphan

Psychoactive when taken in higher-than-recommended amounts.

Street Names: Robo, Robotripping, Skittles, Triple C

Possible Health Effects: Cough relief; euphoria; slurred speech; increased heart rate and blood pressure; dizziness; nausea; vomiting.

Dextromethorphan (DXM) is an antitussive, or cough-suppressing, medication.