: the use of more than one method and especially more than one drug to treat a disease
Medical Definition
combination therapy
noun
: the use of two or more therapies and especially drugs to treat a disease or condition
a combination therapy for asthma using a beta-agonist and corticosteroid
Although S. pneumoniae remains the most common cause of severe community-acquired pneumonia requiring ICU admission, combination therapy consisting of a cephalosporin with either a fluoroquinolone or a macrolide is recommended. Richard G. Wunderink and Grant W. Waterer, The New England Journal of Medicine