Injection site reactions Redness, mild swelling, itching, or a small bump at the injection site are common and usually resolve within 24-48 hours
Kumar P, Liu C, Hsu JW, Chacko S, Minard C, Jahoor F, Sekhar RV
Yet another article suggests 7-10 days refrigerated for some formulations
For a broader overview of GLP-1 medications, including how they work, clinical trial data, and eligibility criteria, see our Complete Guide to GLP-1 Medications for Weight Loss
Rapidly progressive weight loss or severe gastrointestinal symptoms are listed as reasons for prompt provider contact during treatment
Highlights of Prescribing Information: Mounjaro (tirzepatide) injection, for subcutaneous use