What is the definition or description of: cordarone (amiodarone) allergy?

Amiodarone: This is an antiarrhythmic drug used to treat a variety of heart rhythm problems. It is more effective than many other drugs but comes with the risk of side effects some of which are serious. While allergy is rare, a long list of potential toxicities associated with amiodarone means that the decision to use this drug long-term should be taken with care & an expert cardiologist.