LETAIRIS vs TRACLEER

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 21, 2026·How we rate

Possible drug interaction. LETAIRIS and TRACLEER are different prescription medicines. Combining or switching between them can cause interactions — talk to a pharmacist or prescriber before making changes. This page is not medical advice.

Attribute	LETAIRIS	TRACLEER
Rating	70/100	New
Pharmacy pays	~$255.61 /30	—
Type	RX	RX
Active ingredient	AMBRISENTAN	BOSENTAN
Manufacturer	Gilead Sciences Inc	Actelion
Dosage forms	Tablet	Tablet
Drug class	Endothelin Receptor Antagonist	Endothelin Receptor Antagonist
Boxed warning	Boxed warning	Boxed warning
Treats	Pulmonary Hypertension	Pulmonary Hypertension

letairis tracleer

Rating

70/100

New

Pharmacy pays

~$255.61 /30

—

Type

Active ingredient

AMBRISENTAN

BOSENTAN

Manufacturer

Gilead Sciences Inc

Actelion

Dosage forms

Tablet

Drug class

Endothelin Receptor Antagonist

Boxed warning

Treats

Pulmonary Hypertension

Frequently asked questions

What is the difference between Letairis and Tracleer?

Letairis contains Ambrisentan, while Tracleer contains Bosentan — they have different active ingredients.

Ratings are based on FDA regulatory (recall-safety) data. This comparison is for general reference only — not medical advice. Always consult a licensed professional before choosing or switching a medication.