Medicinal plants for obsessive-compulsive disorder: A review of phytotherapeutic approaches.
S DDP, Jeyabalan S, Subramaniyan V, Balu A, Wong LS, Sekar M, Ashok C.
Medicinal Plants
Herbs long used in traditional medicine — many of which grow in kitchen gardens or wild hedgerows — are now being tested against one of psychiatry's most stubborn conditions, putting ethnobotanical knowledge directly in dialogue with neuroscience.
Researchers combed through dozens of studies to see whether plants and plant compounds could help people with OCD, a condition that traps sufferers in unwanted thoughts and repetitive rituals. Some plant extracts appear to nudge the same brain messengers — serotonin, dopamine, GABA — that prescription drugs try to balance, and lab animals showed less compulsive behavior after treatment. The catch is that human trials are still rare, small, and not rigorous enough to trust, so no herbal remedy can be recommended yet.
Key Findings
26 studies (14 preclinical, 12 clinical) were included; plant compounds were found to influence serotonergic, dopaminergic, and GABAergic pathways associated with OCD
40–60% of patients on first-line OCD drugs (SSRIs) achieve only partial remission, underscoring the clinical gap that phytotherapy research is trying to fill
Evidence remains preliminary — most animal models used (e.g., marble-burying) lack specificity, human trials are few and low-quality, and no phytotherapy can currently be clinically recommended
chevron_right Technical Summary
A review of 26 studies found that plant-derived compounds show early promise for reducing OCD-like symptoms by influencing brain chemistry, but the evidence is too thin and methodologically weak to recommend herbal treatments for OCD patients today.
Abstract Preview
<h4>Background</h4>Obsessive-compulsive disorder (OCD) is a chronic psychiatric condition characterized by intrusive thoughts and repetitive behaviors that impair functioning. Although selective se...
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