What are the Side Effects of GLP-1 Weight Loss?
GLP-1 weight loss medications, including drugs such as Ozempic, Wegovy, and Zepbound, have become increasingly popular in recent years due to their effectiveness in promoting weight loss and improving cardiometabolic health. However, as with any medication, these drugs can have side effects, some of which may be common, rare, or long-term. In this article, we will delve into the side effects of GLP-1 weight loss medications and explore strategies for managing them.
Common Side Effects of GLP-1 Weight Loss Medications
Nausea, vomiting, and constipation are among the most common side effects experienced by individuals taking GLP-1 weight loss medications. These gastrointestinal symptoms can be uncomfortable and lead to weight loss setbacks. Other common side effects include:
- Nausea and vomiting
- Constipation
- Abdominal pain
- Fatigue
- Headaches
- Dizziness
Rare but Serious Side Effects of GLP-1 Weight Loss Medications

While rare, some individuals taking GLP-1 weight loss medications may experience more serious side effects, including:
- Increased risk of pancreatitis
- Increased risk of thyroid C-cell tumors
- Allergic reactions, such as hives and itching
- Swelling of the face, lips, tongue, or throat
- Difficulty swallowing or gastrointestinal inflammation
Long-Term Side Effects of GLP-1 Weight Loss Medications
Long-term use of GLP-1 weight loss medications can lead to more severe side effects, including: