Definitions for "Drug resistance"
The ability of some disease-causing microorganisms, such as bacteria to adapt themselves to grow and to multiply even in the presence of drugs that kill them.
The ability of bacteria, viruses and other illness-causing agents to adapt to treatments and continue to grow or multiply. When HIV becomes resistant (less sensitive) to an HIV med (as determined by a genotype or phenotype resistance test) it is necessary to change treatment.
the failure of ( cancer) cells to respond to drugs ( chemotherapy).
decreased susceptibility to a drug