Pharmacodynamics is the science or study of how the body reacts to drugs.
An example of pharmacodynamics is someone studying how methadone affects a person getting over a heroin addiction.
the branch of pharmacology that deals with the effect and the reactions of drugs within the body
Origin of pharmacodynamicspharmaco- + dynamics
noun(used with a sing. verb)
The study of the action or effects of drugs on living organisms.
- (pharmacology) The branch of pharmacology that studies the effects and modes of action of drugs upon the body.