Should I Stop GLP-1 Before a Colonoscopy?
Last updated: January 2026
Quick Answer
Many gastroenterologists recommend stopping GLP-1 3-7 days before colonoscopy due to delayed gastric emptying that may affect bowel prep effectiveness.
Should I Stop GLP-1 Before a Colonoscopy
Many gastroenterologists recommend stopping GLP-1 3-7 days before colonoscopy due to delayed gastric emptying that may affect bowel prep effectiveness.
Safety is the most important consideration when starting any medication. GLP-1 medications have been extensively studied in clinical trials involving tens of thousands of patients, and they have a well-established safety profile when prescribed and monitored by licensed healthcare providers.
What the Research Shows
The STEP and SURMOUNT clinical trial programs included over 25,000 participants combined. These large-scale studies established the efficacy and safety profile that led to FDA approval for weight management.
Staying Safe on GLP-1 Treatment
- Only obtain GLP-1 medications through licensed healthcare providers and pharmacies
- Follow your prescribed dosing schedule and titration plan
- Report any unusual symptoms to your provider promptly
- Attend regular follow-up appointments for monitoring
- Inform all your healthcare providers that you take GLP-1 medications
- Keep medications stored properly and check expiration dates
Related Questions
Is It Safe to Have Surgery While Taking GLP-1?
Stop GLP-1 medications 1-3 weeks before surgery. They slow gastric emptying, increasing aspiration risk during anesthesia. Follow your surgical team's guidance.
Can GLP-1 Medications Cause Gastroparesis?
GLP-1 medications slow gastric emptying as their mechanism of action. In some patients, this can become excessive. Discuss concerns with your provider.