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GLP-1 GuideJune 12, 2026

What Happens After You Start a GLP-1 Medication?

Many patients are unsure what the first weeks and months on GLP-1 medications will feel like.

The First Few Weeks

Common early side effects include nausea, constipation, fatigue, and reduced appetite.

When to Expect Results

Most patients notice reduced appetite within the first week. Significant weight loss begins within the first month.

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Frequently Asked Questions

What side effects happen when starting a GLP-1 medication?

Common early side effects include nausea, constipation or diarrhea, fatigue, and reduced appetite, typically occurring during the dose escalation period.

How soon will I see results after starting Ozempic or Wegovy?

Most patients notice reduced appetite within the first week, with significant weight loss typically beginning within the first month of treatment.

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