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Daily aspirin is often used to prevent cardiovascular events, but many people have been told to stop after showing signs of an allergic reaction. New findings suggest that although many patients have been told to stop taking aspirin due to a one-time reaction, no tests were conducted to confirm diagnosis; thus many of them were taken off effective treatment without just cause.
The findings were presented at the American College of Allergy, Asthma and Immunology Annual Scientific Meeting. The researchers found that 34 percent of studied patients were mistakenly told they had an aspirin allergy due to gastrointestinal symptoms. The researchers reviewed 5,052 medical records and only found aspirin hypersensitivity in 2.5 percent of patients. Hypersensitivity is an exaggerated immune response by the body against a substance, but it is not an allergic reaction.