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Medicine Reaction, Swelling

Swelling can be a sign that you are having an allergic reaction to a medicine. This can happen with almost any medicine.

Many prescription and nonprescription medicines also may cause swelling as a side effect. A few examples are:

  • Corticosteroids.
  • Hormones, such as birth control pills and hormone therapy used to treat menopause symptoms.
  • Some blood pressure medicines.

Current as of: May 1, 2026

Author: WebMD Ignite Staff

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