Final answer:
A condition that requires avoiding certain treatment procedures or products to prevent undesirable side effects is a contraindication.
Step-by-step explanation:
A condition that requires avoiding certain treatment procedures or products to prevent undesirable side effects is a contraindication. A contraindication is a specific circumstance or characteristic that makes a particular treatment or medication inadvisable or potentially dangerous for an individual. For example, if someone is allergic to a specific medication, it would be contraindicated for them to take that medication.