A rapid tolerance to a potential toxic dose of a drug shortly after receiving smaller doses.
Rapid protection against a toxic substance by previous injection of tiny doses.
An effect of a drug or neurotransmitter which becomes less with repeated doses.
Rapid loss of a therapeutic response to a pharmacological agent.
A falling-off in the effects produced by a drug during continuous use or constantly repeated administration, common in drugs that act on the nervous system.
Rapid immunization to a toxic dose of a substance by previously injecting tiny doses of the same substance.