Constipation can develop within a few days to weeks after starting gabapentin, depending on individual sensitivity and other factors like diet and activity
Worth noting is that PCACs recommendations are not binding on the FDA, which must still undertake formal rulemaking before any substance is permanently added to the list
Van Schil K, Meire F, Karlstetter M, Bauwens M, Verdin H, Coppieters F, et al
(February 2025)
Last reviewed: May 21, 2026 Last updated: May 21, 2026 Written by: Jay Hastings, CEO of PlexusDx Jay Hastings is the CEO of PlexusDx, a precision health company focused on genetic testing, blood biomarker insights, and personalized wellness recommendations
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