Gastrointestinal adverse effects are the most common side effects associated with incretin mimetic medications. These include nausea, vomiting, diarrhea, constipation, and abdominal discomfort. These symptoms are primarily caused by the medication's effect on slowing gastric emptying and its influence on the area postrema in the brain, which regulates the emetic response.
Management of these effects is a critical component of successful treatment. Strategies include slow dose titration (starting with a low dose and increasing gradually), dose cycling, and dietary modifications such as avoiding high-fat or highly processed foods that can exacerbate delayed digestion. In many cases, these side effects are transient and diminish as the body adapts to the medication.
The definitive guide by Russell Clark, FNP-C, APRN