Effects Methamphetamine produces temporary hyperactivity, euphoria, and a strong craving for more of the drug. Hazards Methamphetamine use increases the user s heart rate, blood pressure, rate of breathing, and agitation. It frequently results in violent and erratic behavior. Chronic use has been associated with increased nervousness, irritability, memory loss, and paranoia. Methamphetamine in high dose usage can produce psychotic, violent, and erratic behavior.
Withdrawal can produce severe depression.
Also called Chalk, crystal, crank, glass, hot ice, ice, meth, speed. What It Is Rohypnol is approved for prescription use in other countries as a sedative and pre-surgery anesthetic, but it is not approved in the United States. Effects Rohypnol, much like GHB, is ingested to produce relaxation. Hazards Rohypnol s effects include decreased blood pressure, dizziness, confusion, visual disturbances, and drowsiness. The sedative and toxic effects of Rohypnol are aggravated if taken with alcohol.