Bosentan and Glyburide interaction

Bosentan and Glyburide: both prescribing labels flag this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.

Major

Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.

What the FDA labels say

From the Bosentan (Tracleer) label · effective 2025-11-17

Major

Use with Glyburide ( 4.3 ).

Contraindicationsnames GlyburideView label on DailyMed
Major

Use with Glyburide An increased risk of liver enzyme elevations was observed in patients receiving glyburide concomitantly with bosentan.

Contraindicationsnames GlyburideView label on DailyMed
Major

Therefore co-administration of glyburide and TRACLEER is contraindicated [see Drug Interactions (7.1) ] .

Contraindicationsnames GlyburideView label on DailyMed

From the Glyburide label · effective 2021-07-01

Major

Treated with bosentan.

Contraindicationsnames BosentanView label on DailyMed
Major

Therefore concomitant administration of glyburide and bosentan is contraindicated (see CONTRAINDICATIONS ).

Drug interactionsnames BosentanView label on DailyMed
Moderate

An increased incidence of elevated liver enzymes was observed in patients receiving glyburide concomitantly with bosentan.

Drug interactionsnames BosentanView label on DailyMed

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Not medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.