Ambrisentan is an endothelin receptor antagonist. It works by suppressing the action of endothelin, a natural substance that tightens the blood vessels and prevents normal blood flow in patients who have pulmonary hypertension.
Headache, Dizziness, Palpitations, Shortness of breath, Running nose, Feeling sick, Diarrhoea, Fatigue
Ambrisentan is used in the treatment of pulmonary arterial hypertension (PAH).