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Side Effects

Updated October 2026 · 4 min read · Reviewed against published research

Key Takeaway

Most side effects are digestive and often lessen over time, but some warning signs need prompt medical attention.

Common side effects

Nausea, vomiting, diarrhea, constipation and reduced appetite are the most commonly reported, especially when doses increase.

Important warnings

Product labels include warnings about pancreatitis, gallbladder problems, and thyroid C-cell tumors in animal studies. Review the label with your clinician.

When to seek care

Severe abdominal pain, persistent vomiting, signs of dehydration or an allergic reaction warrant prompt medical evaluation.

Questions for your healthcare provider

  • Is a GLP-1 medication appropriate for my health history?
  • Which product and indication applies to me?
  • What side effects should I watch for?
  • How should I adjust nutrition and exercise?
  • What happens if I stop the medication?

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