To indicate the inadvisability of (a medical therapy, like).
To indicate, because by an indication, some approach to treatment contrary to what the general tenor of the case appears to be to need; especially, to point that a specific way of treatment shouldn't be used.
In medication, to indicate the contrary of—that is, a course of treatment or activity distinct from or opposed to that which is customary or is needed because of the other conditions regarding the instance.
Definition for "contraindicate"
To indicate the inadvisability of (a medical therapy,…