Drug Reference
Ambrisentan
Antihypertensives for pulmonary arterial hypertension
Rx only
Fact box
- Therapeutic class
- Antihypertensives for pulmonary arterial hypertension
- Action class
- Endothelin Receptor Antagonist
- Mechanism
- Endothelin Receptor Antagonists
- Habit forming
- No
- Availability
- Prescription (Rx)
Brand names
Letairis
Available as
10 MG · Oral Tablet5 MG · Oral Tablet
FDA label sections are from openFDA and may not reflect the most recent labeling — confirm against the current DailyMed label.
Safety advice
Conservative summary derived from FDA labeling — defaults to “consult your doctor” unless the label is explicit. Not a substitute for your clinician’s advice.
PregnancyNo information
No specific information in the FDA label.
BreastfeedingNo information
No specific information in the FDA label. Check LactMed →
AlcoholNo information
No specific information in the FDA label.
DrivingNo information
No specific information in the FDA label.
KidneyNo information
No specific information in the FDA label.
LiverNo information
No specific information in the FDA label.
Current FDA labels (DailyMed)
Authoritative sources
Reference only — not clinical advice. Verify against current FDA labeling and consult a licensed provider. About half of pediatric drug use is off-label and is not reflected in FDA labels; absence of pediatric information does not mean a medicine is unused or unsafe in children.