tirzepatide makes you tired and Fatigue - What to Know (2026) Feeling Tired on Tirzepatide: Causes

Researchers reported the symptoms subsided after six weeks of stopping semaglutide injections

Dry mouth from tirzepatide is dose-dependent, meaning higher doses are more likely to trigger this symptom than lower ones

Semaglutide significantly increases the risk of diarrhea (relative risk 2.66 in the meta-analysis), and nausea affects up to 40% of users, particularly during the early weeks of treatment

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If the outage lasts longer, consider transferring the vial to a cooler with ice packs, but do not allow it to freeze