Drug Allergy Risk Factors
What risk factors increase the chances of having a drug allergy? Two factors include having multiple allergies, and having a weakened immune sy...

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An allergic reaction to a drug can happen to anyone, but there are some risk factors that may add to your chances of having a drug allergy:

  • Having one or more other allergies
  • Taking a drug that is of the same class or is otherwise similar to one that caused a previous allergic reaction
  • Having another health condition that weakens your immune system
  • Having a previous, even if mild, allergic reaction to the same drug
Written by: the Healthline Editorial Team
Edited by:
Medically Reviewed by: Stephanie Burkhead, MPH
Published: Aug 25, 2010
Published By: Healthline Networks, Inc.
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