How long does GLP-1 nausea last?

Most patients see nausea fade within 1–2 weeks of a stable dose. Each dose escalation can reintroduce it for a few days, then tapers again. By maintenance dose, the majority of patients report no nausea.

Should I stop my GLP-1 if I feel nauseous?

Mild-to-moderate nausea is expected and usually does not require stopping. Severe, persistent nausea or vomiting is a reason to call your prescriber — they may slow your titration or temporarily reduce the dose rather than discontinue.

Does eating less help with the nausea?

Yes — small, low-fat, blander meals reduce gastric stretch and lipid-triggered fullness. Many patients find that pushing past fullness (eating a "normal" portion out of habit) triggers nausea even when they were fine 30 seconds earlier.

Wegovy side effect

Wegovy Nausea: causes, relief, and when to call a doctor

Nausea is the most common GLP-1 side effect. It usually shows up in the first week of a new dose, peaks within 48–72 hours, and tapers as your gut adapts. Most patients describe it as mild-to-moderate; severe nausea is uncommon and signals the dose may need to slow.

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

In trial — Wegovy

44.2%

In trial — placebo

16.1%

Severity

moderate

Source: STEP-1 (Wilding et al., NEJM 2021)

Wegovy Nausea: causes, relief, and when to call a doctor

Why nausea happens on Wegovy

How to manage it at home

Frequently asked

Other Wegovy side effects

Wegovy diarrhea

Wegovy vomiting

Wegovy constipation

Wegovy headache

Wegovy fatigue