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Hypertension and Vasodilators

Read more about Vasodilators.

Overview

Vasodilators may be prescribed to help control hypertension. Hydralazine (Apresoline) is commonly prescribed for this purpose.

Effect of Vasodilators on Hypertension

Vasodilators lower blood pressure by directly relaxing blood vessel walls.

Side Effects and Warnings

Possible side effects of vasodilators include:

  • Sudden drop in blood pressure
  • Dizziness or lightheadedness, especially when getting up from a lying or sitting position
  • Fast pulse, racing heart or palpitations (tachycardia)
  • Flushing of face and neck
  • Headache
  • Nausea or vomiting
  • Restlessness
  • Fluid retention

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