Tachyphylaxis

Tachyphylaxis (Greek ταχύς, tachys, "rapid", and φύλαξις, phylaxis, "protection") is a medical term describing an acute, sudden decrease in response to a drug after its administration (i.e., a rapid and short-term onset of drug tolerance).^[1] It can occur after an initial dose or after a series of small doses. Increasing the dose of the drug may be able to restore the original response.^[2]

^ Bunnel, Craig A. Intensive Review of Internal Medicine, Harvard Medical School 2009.^{[page needed]}
^ Lehne, Richard A. (2013). "Tachyphylaxis". Pharmacology for Nursing Care. Philadelphia: Saunders. p. 81. ISBN 978-1-4377-3582-6.

[1] Bunnel, Craig A. Intensive Review of Internal Medicine, Harvard Medical School 2009.^{[page needed]}

[2] Lehne, Richard A. (2013). "Tachyphylaxis". Pharmacology for Nursing Care. Philadelphia: Saunders. p. 81. ISBN 978-1-4377-3582-6.

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