Will my GLP-1 dose need to be lowered if I keep vomiting?

Often, yes. Most prescribers will either pause titration or step the dose back down one level until your gut adapts. Discontinuing the medication outright is usually unnecessary unless vomiting is severe and persistent.

Zepbound side effect

Zepbound Vomiting: causes, relief, and when to call a doctor

Vomiting is less common than nausea — about 10–15% of GLP-1 users experience it, usually in the first month of titration. Persistent vomiting is a reason to call your prescriber.

Reviewed by Jane Novak, MD, MPHLast reviewed 2026-06-22Source: FDA Wegovy Prescribing Information §6.1 ↗

In trial — Zepbound

12.6%

In trial — placebo

1.7%

Severity

moderate

Source: SURMOUNT-1 (Jastreboff et al., NEJM 2022)

Zepbound Vomiting: causes, relief, and when to call a doctor

Why vomiting happens on Zepbound

How to manage it at home

Frequently asked

Other Zepbound side effects

Zepbound nausea

Zepbound diarrhea

Zepbound constipation

Zepbound fatigue