GLP 1 & Weight Loss

Does Mounjaro Interact with Blood Thinners?

Linda Girgis | MD

Medically reviewed by Linda Girgis | MD, Girgis Family Medicine on August 22nd, 2026.

Mounjaro (tirzepatide) does not have direct interactions with blood thinners like warfarin or Eliquis. Clinical studies show no pharmacological interference between tirzepatide and anticoagulant medications. However, Mounjaro can affect blood sugar levels, which may indirectly influence how your body processes certain medications. Weight loss from Mounjaro treatment averaging 15-20% body weight reduction can also change how blood thinners work in your system. Your dosing requirements might need adjustment as you lose weight. Additionally, gastrointestinal side effects from Mounjaro could potentially affect medication absorption timing. We recommend discussing your complete medication list with our medical team to ensure safe, coordinated care throughout your weight loss journey.

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