The tendency for the combination of two factors to produce a result that is different from the mere sum of the two individual contributions.
Where an herb and drug are taken at the same time, changing the effect of the drug (or herb), or producing an adverse reaction.
A statistical term pertaining to the fact that the influence of a particular variable depends upon the value of other variables.
An effect which two or more substances such as drugs have on each other.
The concept of “mutual action” pertains to the interdependent relationship between two or more entities, as observed by experts in the field of virus diseases. Within this category, a range of phenomena have been identified, including the partial or complete suppression of one virus, a synergistic association between two viruses, and an abnormal alteration in the concentration of one virus.