Wegovy vs Zepbound: Side Effects Compared

By Health & Wellness · Fri Nov 13 2026

Wegovy vs Zepbound: Side Effects Compared

Wegovy vs Zepbound: Side Effects Compared

Wegovy and Zepbound are prescription medications used for weight management. Both help reduce appetite and support weight loss, but they work differently and may cause various side effects.

Understanding their differences can help you make informed treatment decisions.

What Are Wegovy and Zepbound?

Wegovy contains semaglutide, which mimics the GLP-1 hormone. Zepbound contains tirzepatide, which works on both GIP and GLP-1 receptors. Both are taken as once-weekly injections.

Common Side Effects

Both medications can cause digestive problems, especially when starting treatment or increasing the dose.

Common side effects include:

These symptoms may improve as the body adjusts to treatment.

Serious Side Effects

Although uncommon, both medications can cause serious complications, including:

Pancreatitis: Severe or persistent abdominal pain may indicate inflammation of the pancreas.

Gallbladder Problems: Gallstones and gallbladder inflammation may occur.

Kidney Problems: Severe vomiting or diarrhea can cause dehydration and affect kidney function.

Low Blood Sugar: The risk increases when combined with insulin or certain diabetes medications.

Both medications also carry an FDA boxed warning about thyroid C-cell tumors observed in animal studies. They should not be used by people with a personal or family history of medullary thyroid carcinoma or MEN 2.

Which Has More Side Effects?

Both medications have similar digestive side effects. However, individual experiences vary. In a direct clinical comparison, nausea was reported in 44.4% of Wegovy users and 43.6% of Zepbound users. Vomiting was more common with Wegovy.

How to Manage Side Effects

Follow these simple habits:

Final Thoughts

Wegovy and Zepbound can both support weight management, but they have potential side effects and serious risks. Consult your healthcare provider to understand which treatment is suitable for your health needs.Read our complete guide to Wegovy vs Zepbound: Side Effects Compared to understand their risks, common side effects, and safety differences.

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