What is the definition or description of: celecoxib allergy?

Sulfa + allergy: Celecoxib can cause two different types of allergies. The 1st is allergy to the class of non steroidal anti-inflammatories, e.g. ibuprofen, etc. This allergy is of the typical kind with rash, itching on the trunk, neck and extremities. If untreated/severe, it can cause swelling of the throat and respiratory distress. Also celecoxib has a sulfa component which can also yield sulfa drug allergy.