Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
This refers to a state where the body has adapted to a substance and incorporated it into its 'normal' functioning. Abruptly stopping the substance leads to withdrawal symptoms.
Related terms
Physical Addiction: A biological state in which the body adapts to the presence of a drug so that drug no longer has the same effect; also known as tolerance.
Detoxification: The process of removing toxic substances or qualities from one's body typically associated with drugs and alcohol.
Rebound Effect: An adverse reaction occurring after discontinuation of a treatment (medication/drug), causing symptoms worse than before.