The use of weight-loss drugs such as GLP-1 receptor agonists (e.g., semaglutide, tirzepatide) has increased rapidly in recent years. These drugs can help some people achieve significant weight reduction, but they are not suitable for everyone and require careful counselling before starting treatment. By discussing benefits, risks, practicalities, and uncertainties, clinicians can help patients make informed, realistic decisions about their treatment. Key points to discuss with patients 1. Indications and eligibility These drugs are usually licensed for adults with a specific BMI. They should be used alongside lifestyle interventions such as dietary change, increased physical activity, and behaviour modification. 2. Potential side effects – some can be serious Common adverse effects include nausea, vomiting, diarrhoea, and abdominal discomfort. Less common but more serious risks include gallstones, pancreatitis and visual problems. Patients should know what to watch for a...
Updates from Imperial College London's Professor of Primary Care & Public Health