Semaglutide Safety Profile
Safety information for semaglutide including common side effects, warnings, and contraindications. Based on extensive clinical trial data with tens of thousands of patients.
Safety Overview
Semaglutide has been extensively studied in clinical trials involving tens of thousands of patients. It has an established safety profile with known side effects.
Common Side Effects
| Side Effect | Frequency | Notes |
|---|---|---|
| Nausea | 15-20% | Usually improves over time |
| Diarrhea | 8-12% | May decrease with continued use |
| Vomiting | 5-10% | More common during dose escalation |
| Constipation | 5-8% | Variable |
| Abdominal pain | 5-8% | Usually transient |
Serious Warnings
Boxed Warning: Thyroid C-Cell Tumors
Based on rodent studies, there is a theoretical risk of thyroid tumors. Monitor for thyroid nodules or symptoms.
Other Serious Risks
- Pancreatitis — Discontinue if suspected
- Gallbladder disease — Increased risk with rapid weight loss
- Diabetic retinopathy — May worsen initially with rapid glucose improvement
- Kidney injury — Usually related to dehydration from GI effects
Who Should NOT Use Semaglutide
- Personal or family history of medullary thyroid carcinoma (MTC)
- Multiple Endocrine Neoplasia syndrome type 2 (MEN 2)
- Known hypersensitivity to semaglutide
- History of serious hypersensitivity reaction to any GLP-1 agonist
Drug Interactions
- May affect absorption of oral medications (delayed gastric emptying)
- Increased hypoglycemia risk with insulin or sulfonylureas
- Consult healthcare provider about all medications
Monitoring Recommendations
- Regular blood glucose monitoring (in diabetes)
- Watch for signs of pancreatitis
- Monitor for gallbladder symptoms
- Eye exams for diabetic patients
This safety information is for educational purposes. Consult the full prescribing information and your healthcare provider.
Sources & Citations
- 3journalTwo-year effects of semaglutide in adults with overweight or obesity: the STEP 5 trial
pmid-36216945
Disclaimer: This article is for educational purposes only and does not constitute medical advice. The information presented is based on current research but should not be used for diagnosis, treatment, or prevention of any disease. Always consult a qualified healthcare provider before making health decisions.