Cannabidiol modulates serotonergic transmission and prevents allodynia and anxiety-like behavior in a model of neuropathic pain.

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“Clinical studies indicate that cannabidiol (CBD), the primary non-addictive component of cannabis that interacts with the serotonin (5-HT) 1A receptor, may possess analgesic and anxiolytic effects. However, its effects on 5-HT neuronal activity, as well as its impact in models of neuropathic pain are unknown.

Seven days of treatment with CBD reduced mechanical allodynia, decreased anxiety-like behavior, and normalized 5-HT activity. Anti-allodynic effects of CBD were fully prevented by capsazepine (10 mg/kg/day, s.c., for 7 days) and partially prevented by WAY 100635 (2 mg/kg/day, s.c., for 7 days), while the anxiolytic effect was blocked only by WAY.

Overall, repeated treatment with low-dose CBD induces analgesia predominantly via TRPV1 activation, reduces anxiety via 5-HT1A receptor activation, and rescues impaired 5-HT neurotransmission under neuropathic pain conditions.”

https://www.ncbi.nlm.nih.gov/pubmed/30157131

https://insights.ovid.com/crossref?an=00006396-900000000-98870

“Cannabis pain relief without the ‘high’. Canadian researchers pinpoint the mechanism of cannabidiol for safe pain relief without side effects”  https://eurekalert.org/pub_releases/2018-10/muhc-cpr102418.php

“Effective dose of cannabidiol for safe pain relief without the typical ‘high'”  https://www.news-medical.net/news/20181025/Effective-dose-of-cannabidiol-for-safe-pain-relief-without-the-typical-high.aspx

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