What is the generic for Letairis? Understanding Ambrisentan for PAH
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4 min read
The Food and Drug Administration (FDA) first approved the brand-name medication Letairis in 2007 for the treatment of pulmonary arterial hypertension (PAH). Since the patent expired, the active ingredient is now available as a generic version, making the generic for Letairis, which is ambrisentan, a more affordable option for many patients.