References Weschawalit S, et al
By weeks four to eight, appetite suppression often becomes more noticeable and consistent
Symptoms may include severe abdominal pain, persistent nausea, and vomiting and require immediate medical attention
Again, this assumes the sales mix remains the same at different levels of sales volume
If you experience sudden or severe symptomssuch as a swelling in the neck, difficulty breathing, or severe abdominal painyou must seek urgent medical attention via your GP, A&E, or by calling 999
However, a pharmacovigilance study using the WHO's global adverse drug reaction database found disproportionate reporting of eating disorder adverse events with all three major GLP-1 medications ( Nishida et al., Clinical Nutrition, 2025 )