how long after tirzepatide injection do side effects start What to expect your first dose of tirzepatide: the complete hour-by-hour guide Mounjaro Side Effects: A Week-by-Week

Hsu TM, Noble EE, Liu CM, Cortella AM, Konanur VR, Suarez AN, et al

The higher values (red) reflect higher metabolite concentrations, and lower values (blue) reflect lower levels

PMID: 9209650

Additionally, if nausea persists unchanged for more than 5 weeks, or if it worsens significantly between weeks 2 and 4 when improvement is typical, your dose or formulation may need adjustment

Both semaglutide (brand names Ozempic, Wegovy) and tirzepatide (Mounjaro) are glucagon-like peptide-1 (GLP-1) receptor agonists that work by mimicking a hormone to reduce appetite, however tirzepatide uniquely also activates the glucose-dependent insulinotropic polypeptide (GIP) receptor unlike semaglutide which only activates the GLP-1 receptor