Definition, Meaning & Synonyms
tachyphylaxis
noun
ˌtak-ē-fə-ˈlak-səs
Definition
A rapidly diminishing response to successive doses of a drug, often leading to the need for increasing amounts to achieve the same effect.
Examples
- Doctors observed tachyphylaxis in patients receiving repeated doses of certain pain medications.
- Due to tachyphylaxis, the patient required higher doses of the drug to achieve the desired effect.
Meaning
Tachyphylaxis refers to a situation where the body becomes less responsive to a substance after repeated doses over a short period.
Synonyms
- Desensitization
- Acute tolerance
