Understanding Pharmacology: What does tachyphylaxis mean?
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5 min read
Up to one-third of individuals taking antidepressants may experience tachyphylaxis, a phenomenon where a medication's effectiveness rapidly decreases [1.3.5, 1.4.4]. So, **what does tachyphylaxis mean?** It is an acute, sudden decrease in the response to a drug after its administration, essentially a rapid onset of drug tolerance [1.2.5].