Clinical Reference · Updated May 2026

Tirzepatide Contraindications & Boxed Warnings

Tirzepatide carries a boxed warning regarding the risk of thyroid C-cell tumors based on rodent studies. Several patient populations should not use tirzepatide.

Dr. Parmis - Medical Researcher
Researched By
Dr. Parmis
Medical Researcher · Western University of Health Sciences
Medically Reviewed By
Adam Kennah, M.D.
Board-Certified Physician
Last clinically reviewed: April 28, 2026 · This page is informational and does not constitute medical advice.

Detail

Absolute contraindications: personal or family history of medullary thyroid carcinoma (MTC); Multiple Endocrine Neoplasia syndrome type 2 (MEN 2); pregnancy and breastfeeding (Pregnancy Category - withdraw 2 months before planning pregnancy); known hypersensitivity to tirzepatide. Relative contraindications: severe gastroparesis; history of pancreatitis; severe gastrointestinal disease; history of severe diabetic retinopathy.

Sources

This page references peer-reviewed publications listed on PubMed and FDA prescribing information labels. Methodology for source selection is documented on the Methodology page.

Disclaimer: This page is informational and does not constitute medical advice. Decisions about tirzepatide should be made in consultation with a licensed healthcare provider.
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