Clinical Reference · Updated 2026-05-08

Contraindications & Boxed Warning

Semaglutide is contraindicated in MTC, MEN 2, pregnancy, breastfeeding. Boxed warning: thyroid C-cell tumors (rodent studies, human relevance unknown).

Clinical referenceUpdated 2026-05-08
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Editorial team
Dr. Sam Saberian · Lead Medical Researcher
Medical review by Alen A. Schwartz, MD · Edited by Julliana Edwards · Last updated 2026-05-11

Overview

Semaglutide is contraindicated in MTC, MEN 2, pregnancy, breastfeeding. Boxed warning: thyroid C-cell tumors (rodent studies, human relevance unknown).

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