can semaglutide cause palpitations Heart palpitations, fatigue and shortness of breath be signs of atrial fibrillation, the most common heart rhythm disorder. Nearly 1 in 4 people will experience AFib in their lifetime. Tufts Medicine What is the effect of

Half-Life: It has a long half-life, which means it remains active in the body for an extended period, allowing for less frequent dosing

This medication is meant to work in the SQ

Blood Sugar Effects Both medications improve glucose metabolism: Liraglutide: HbA1c reduction of 0.5-1.0% at weight loss doses Originally developed for diabetes (Victoza) Modest glucose benefits at Saxenda doses Semaglutide: HbA1c reduction of 1.0-1.8% at diabetes doses Greater glucose improvement than liraglutide Significant benefit for prediabetes and diabetes For patients with diabetes or prediabetes, semaglutide provides greater metabolic benefit

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Your prescriber determines your target dose

FDLI Enforcement and Litigation Conference, Jill Furman, Director Office of Compliance, CDER, December 2025