Methamphetamines: What you need to know
Methamphetamine is the most popular derivative of the amphetamines. It is a potent sympathomimetic agent with therapeutic applications.
Acute large doses lead to enhanced stimulation of the central nervous system and induce euphoria, alertness, reduced appetite, and a sense of increased energy and power.
Rapid heart rate, sweating, talkative.
More acute response produces anxiety, paranoia, psychotic behavior, and cardiac dysrhythmias.
Methamphetamine is excreted in the urine as amphetamine and oxized and deaminated derivatives. However, 10-40% of methamphetamine is excreted unchanged. Methamphetamine is generally detectable in the urine for 3 to 5 days after use.