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Saxenda drug interactions

Saxenda · liraglutide · by Novo Nordisk

Reviewed by the WeighedHealth Editorial Team against primary clinical sources — FDA labeling, peer-reviewed trials, and specialty-society guidelines.
Content current as of July 2026; updated when guidance or availability changes.
Insulin and sulfonylureas (hypoglycemia risk in T2D patients), oral contraceptives (delayed absorption — barrier method recommended during titration), warfarin (INR monitoring during dose changes). Same interaction class as semaglutide.

Interaction lookup

Search by medication name or drug class to see clinically meaningful Saxenda interactions.

  • Insulin

    Moderate

    Class: insulin

    Hypoglycemia risk; insulin dose adjustment likely.

  • Sulfonylureas

    Moderate

    Class: sulfonylurea

    Hypoglycemia risk; sulfonylurea dose reduction.

Editorial table from FDA labels + drug compendia. Not exhaustive. Discuss any concurrent medication, supplement, or condition with your prescriber before starting or stopping treatment.

More on Saxenda

Frequently asked

What medications interact with Saxenda?+

Insulin and sulfonylureas (hypoglycemia risk in T2D patients), oral contraceptives (delayed absorption — barrier method recommended during titration), warfarin (INR monitoring during dose changes). Same interaction class as semaglutide.

Can I take Saxenda with metformin?+

Saxenda and metformin are commonly co-prescribed without major interaction concerns. GI side effects may be additive in some patients.