<unk>  is the reduction in effectiveness of a<unk> ug in curing a disease or improving a patient's symptoms. When the<unk> ug is not intended to kill or inhibit a pathogen, then the term is equivalent to dosage failure or<unk> ug tolerance. More commonly, the term is used in the context of diseases caused by pathogens.
Pathogens are said to be<unk> ug-resistant when<unk> ugs meant to neutralize them have reduced effect.  When an organism is resistant to more than one<unk> ug, it is said to be multidrug resistant.
Drug resistance
Antibiotic resistance
Opportunistic infection
Biological hazard
Cross-reactivity
Exponential growth
Moral hazard
Sepsis pathophysiology