Contraindicatory vs. Contraindication

Contraindicatory and Contraindication Definitions
Contraindicatory
Serving as a contraindication.
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.
Contraindication
(medicine) A factor or symptom which makes a certain treatment inadvisable, generally or individually.
Contraindication
An indication or symptom which forbids the method of treatment usual in such cases.
Contraindication
(medicine) a reason that makes it inadvisable to prescribe a particular drug or employ a particular procedure or treatment