Allergy versus side effect
NCLEX-RN glossary · Pharmacological And Parenteral Therapies
Definition
The clinical discrimination between immune-mediated hypersensitivity (allergy) and predictable, non-immune physiological responses (side effect).
Allergy versus side effect in plain English
This is essential for determining the 'Rescue Association'; allergies require permanent drug discontinuation and epinephrine if anaphylactic. The main trap is accepting 'nausea' or 'stomach upset' as an allergy, which inappropriately limits future treatment options.
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