The detail
GLP-1 medications work via appetite suppression mechanisms that revert when stopped. SURMOUNT-4 trial showed Zepbound discontinuation led to 14% weight regain over 17 weeks. Side effects warranting discontinuation: severe persistent nausea, pancreatitis signs (epigastric pain radiating to back), gallbladder symptoms, severe gastroparesis. Tapering not strictly required but reduces rebound appetite.
Sources
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