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Enalapril

Supportive Care

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What is enalapril?

Enalapril (also called Vasotec®) is an antihypertensive (blood pressure lowering agent) known as an ACE inhibitor. It controls blood pressure by relaxing blood vessels. High blood pressure levels can damage kidneys and may lead to a stroke or heart failure. Enalapril is available in the following forms:

  • A 2.5-mg, 5-mg, and 10-mg tablet taken by mouth
  • A white 0.1 mg/mL liquid taken by mouth
  • A clear liquid given by vein (IV).
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Possible side effects

  • Feeling dizzy or lightheaded, fainting spells
  • Cough
  • Low blood pressure
  • Decreased kidney function and less urine passed
  • Feeling tired
  • Low blood counts with higher risk of infection, bleeding, and anemia
  • High potassium blood levels
  • Headache
  • Swelling of face, lips, or tongue
  • Problems breathing or swallowing
  • Hoarse or tight feeling in throat
  • Swelling of legs or ankles
  • Rash

    These are the most common side effects, but there may be others. Please report all side effects to the doctor or nurse.

Symptoms of an allergic reaction include: rash, hives, itching, chills, fever, headache, muscle ache, shortness of breath, coughing, tightness in the throat, swelling of the face or neck.

Not all patients who take enalapril will experience these side effects. Common side effects are bolded, but there may be others. Please report all suspected side effects to your doctor or pharmacist.

Find more information on side effects.

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Tips for patients and families

Be sure to discuss all questions and instructions with your doctor or pharmacist. 

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Always check the medication label. Many medicines look the same. Do not take any new medicine, including over-the counter medicines or supplements, without checking with your doctor or pharmacist. Talk to your doctor or pharmacist about what to do in the case of a missed dose, allergic reaction, or medical emergency. 

This information is not intended to be a complete guide and is not a substitute for talking with your provider. Medicine names, appearance, formulas, or availability may vary by clinic location. Always follow the instructions given by your care team.

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