If nausea hits you after a GLP-1 injection, you are not imagining it. Studies show that gastrointestinal symptoms, particularly nausea, affect a significant share of people starting these medications, and it is usually the first and most persistent hurdle to clear.
Tracking those symptoms as they happen makes a real difference. When you log each episode with the time, what you ate, and how intense it was, you give yourself a body of data that can guide your next steps. Check it out here.
GLP-1 receptor agonists like semaglutide (Ozempic, Wegovy), tirzepatide (Mounjaro), and liraglutide (Saxenda) work partly by slowing the rate at which your stomach empties its contents. This delay means food sits in your gut longer than usual, which triggers early fullness, bloating, and in many people, nausea.
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