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Drug Resistance

From , former About.com Guide

Updated January 21, 2007

About.com Health's Disease and Condition content is reviewed by the Medical Review Board

Definition:
The ability of some disease-causing microorganisms, such as bacteria, viruses, and mycoplasma, to adapt themselves, to grow, and to multiply even in the presence of drugs that usually kill them. HIV often becomes resistant to antiretroviral therapies, necessitating a change in drug regimens.

Also Known As:
  • Resistance

  • HIV Resistance

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