Contraindicatory vs. Contraindication: What's the Difference?

Contraindicatory and Contraindication Definitions

Serving as a contraindication.

A factor that renders the administration of a drug or the carrying out of a medical procedure inadvisable

A previous allergic reaction to penicillin is a contraindication to the future use of that drug.

(medicine) A factor or symptom which makes a certain treatment inadvisable, generally or individually.

An indication or symptom which forbids the method of treatment usual in such cases.

(medicine) a reason that makes it inadvisable to prescribe a particular drug or employ a particular procedure or treatment