Dulaglutide Side Effects: Safety Signals and Warnings
Dulaglutide safety concerns are compound-specific. The main listed side effects are Nausea, Diarrhea, and Vomiting. The main warning signals are Boxed warning: Thyroid C-cell tumor risk in rodents, Contraindicated with personal/family history of medullary thyroid carcinoma or MEN 2, and Risk of pancreatitis - discontinue if suspected.
Direct Answer
Dulaglutide (Trulicity) is FDA-approved for type 2 diabetes and cardiovascular risk reduction, with the REWIND trial demonstrating significant CV event reduction in a broad diabetic population. As a once-weekly GLP-1 agonist, it offers meaningful convenience. Its weight-loss efficacy is modest compared to semaglutide, but its CV outcome data is robust. A well-validated option for GLP-1 pathway research with strong regulatory backing.
- Evidence grade
- Level A
- Research status
- FDA Approved
- Category
- Weight Loss & Metabolic
- Best for
- Type 2 diabetes management, cardiovascular risk reduction, once-weekly GLP-1 agonism
Reported Side Effects
- Nausea
- Diarrhea
- Vomiting
- Abdominal pain
- Decreased appetite
- Fatigue
- Injection site reactions
Warnings
- Boxed warning: Thyroid C-cell tumor risk in rodents
- Contraindicated with personal/family history of medullary thyroid carcinoma or MEN 2
- Risk of pancreatitis - discontinue if suspected
- Caution in patients with renal impairment
- Not for use in type 1 diabetes or diabetic ketoacidosis
Known or Plausible Interactions
- Insulin and sulfonylureas (increased hypoglycemia risk)
- Oral medications (slowed gastric emptying may affect absorption)
- Warfarin (monitor INR)
Regulatory Context
FDA approved (2014). Prescription required. Not a controlled substance.
Evidence Snapshot
| Evidence grade | Level A |
|---|---|
| Research status | FDA Approved |
| Best supported outcomes | Glycemic Control (Level A), Cardiovascular Risk Reduction (Level A), and Body Weight Reduction (Level A) |
| Primary citation count | 3 |
| Last reviewed | 2026-04-04 |
Related Guides
How to Cite This Page
ExaminePeptides. "Dulaglutide Side Effects: Safety Signals and Warnings." Last reviewed 2026-04-04. https://examinepeptides.com/answers/dulaglutide-side-effects-safety/
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