How Long Do Zepbound Side Effects Last? (2026 Timeline by Side Effect)
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Medically reviewed by Dr. A. Goher, MD
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Quick Answer7 min read
Most Zepbound side effects start within 24-72 hours of an injection and resolve in 1-2 weeks at each new dose level. Nausea peaks first; fatigue and constipation linger longer. Here's the timeline by symptom — and when persistent side effects mean it's time to adjust your dose.
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