Once a vial has been punctured, it should be discarded after 28 days even if liquid remains, since preservative effectiveness gradually decreases with repeated punctures and air exposure
McCleery J, Abraham RP, Denton DA, et al
Tell your doctor immediately if any of these unlikely but serious side effects occur: muscle cramps, weakness, irregular heartbeat
While metallic taste may not be a serious side effect, it can impact a persons quality of life and nutrition
If neurological symptoms are present, seek same-day assessment, as urgent treatment may be needed to prevent irreversible damage
Feb 21, 2026 You are wasting tirzepatide