Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated August 2025
Definition
Methamphetamine is an extremely potent stimulant drug that increases activity in the central nervous system causing increased heart rate, decreased appetite along with heightened focus & energy levels.
A state in which there is a compulsive or chronic need, as for a drug; an adaptive state associated with withdrawal upon cessation of repeated exposure to a stimulus.