Ambrisentan

generic for Letairis

Ambrisentan Side Effects

Stuffy nose, runny nose, or flushing may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor right away if you have any serious side effects, including: fast heartbeat, extreme tiredness, swelling ankles/feet, sudden/unexplained weight gain.

Other medications that are like ambrisentan may rarely cause very serious liver problems. Tell your doctor right away if you develop symptoms of liver disease, including: persistent nausea/vomiting, loss of appetite, severe stomach/abdominal pain, dark urine, yellowing eyes/skin.

A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
  • body fluid retention
  • anemia
  • heart failure
  • sinusitis
  • nasal congestion
  • pulmonary edema
  • oligospermia
  • dizziness
  • fatigue
  • skin rash
  • peripheral edema
  • hyperbilirubinemia
  • flushing
  • nausea
  • vomiting
  • abnormal hepatic function tests
  • angioedema
  • general weakness

Drug Interactions

Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.