Health Tip: Symptoms of a Drug Allergy

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(HealthDay News) -- Some drugs cause unpleasant side effects in many people, including nausea, dizziness or fatigue.

But if you're allergic to a drug, you can have a reaction that ranges from mild to life-threatening. Penicillin and other antibiotics are among the most common causes of drug allergy.

The U.S. National Library of Medicine lists these warning signs of an allergic reaction to a medication:

  • Hives.
  • Skin rash.
  • Itchiness of the skin or eyes.
  • Wheezing or difficulty breathing.
  • Swollen lips, eyes or tongue.

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