Frequently Asked Questions About Erectile Dysfunction

What are the Potential Side Effects and Who Shouldn’t Take ED Medication?

Because of potential side effects, it is extremely important to get a doctor’s approval before taking any prescription erectile dysfunction medication. Common side effects include headache, indigestion, muscle aches and dizziness. According to the Mayo Clinic, medications that treat ED may not work or may be dangerous for those who:

  • Take nitrate drugs (commonly used to treat chest pain)
  • Take blood-thinning medication
  • Have heart disease or heart failure
  • Have had a stroke
  • Have extremely low (hypotension) or extremely high (hypertension) blood pressure
  • Have uncontrolled diabetes
  • Have eye problems
  • Have severe liver disease (such as cirrhosis)
  • Have kidney disease that requires dialysis
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Review Date: 
November 6, 2014

Citation: 
Last Updated:
November 6, 2014