Of these, 1.6% were classified as a serious event, meaning that the person was harmed.
By contrast, NKDA stands exclusively for “no known drug allergies.”
Others may still develop anaphylaxis, a potentially life-threatening allergic reaction involving the whole body.
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Summary
Drug allergies can have serious outcomes for people if allergies are not properly documented or communicated.
A Word from Verywell
Allergies and anaphylaxis can have serious, life-threatening consequences.
Obtaining a medical alert bracelet may make sense if you have a history of anaphylaxis.
Frequently Asked Questions
True allergies to medicines are considered rare.
True allergies can be diagnosed with a test to confirm an immune response that indicates an allergy.
Reactions can happen in the first few minutes to hours after taking the medication or six weeks later.
Medication errors associated with documented allergies.Pa Patient Saf Advis.
2008;5(3):75-80.
The American Academy of Allergy, Asthma & Immunology.Medications and drug allergic reactions.
Asthma and Allergy Foundation of America.Drug allergy.
American College of Allergy, Asthma, & Immunology.Drug allergies.
