how does tirzepatide compare to semaglutide for weight loss and key differences, results (2026) Retatrutide vs Tirzepatide vs Semaglutide

These guidelines are not arbitrary

Understanding how Wegovy works is simple when you think of semaglutide as a more stable, longer-lasting version of the fullness hormone your body already makes

generally compatible with fluoxetine but requires medical supervision Liraglutide (Saxenda) and semaglutide (Wegovy): GLP-1 receptor agonists with no known direct pharmacokinetic interactions with SSRIs according to their SmPCs, though they can cause gastrointestinal side effects requiring monitoring [8] Naltrexonebupropion (Mysimba): requires particular caution due to fluoxetine's effect on bupropion metabolism and associated seizure and neuropsychiatric risks Your GP will assess whether you meet NICE criteria for these medicines (typically a BMI 30 kg/m, or 27 kg/m with weight-related comorbidities) and whether they are appropriate alongside your fluoxetine treatment

Understanding these predispositions can support a more informed conversation with your provider about whether response variability reflects genetic factors, lifestyle modifiers, or medication optimization opportunities