Lungs Home > When Is Letairis Contraindicated?

Letairis® (ambrisentan) is a medication prescribed to treat pulmonary arterial hypertension (PAH) in adults age 18 and older. Although this can be an effective form of treatment, it is not suitable for some people.
Specifically, the drug's use is contraindicated in people who:
  • Are pregnant or may become pregnant.
  • Have a lung disease known as idiopathic pulmonary fibrosis (scarring of the lungs).
  • Are allergic to Letairis, ambrisentan, or any of the inactive components used to make the medication. Your healthcare provider or pharmacist has a list of the inactive ingredients.
(Click Letairis Warnings and Precautions for a more detailed look at who may have an increased risk for problems while using this drug.)
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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