Anti-Inflammatory Phytotherapeutics in Chronic Pain Management

Chronic pain remains a leading cause of disability worldwide, often driven by persistent inflammatory processes that conventional pharmacotherapies inadequately address or carry undesirable side effects. Phytotherapeutics—plant-derived preparations enriched with bioactive compounds—have garnered renewed interest for their multi-targeted anti-inflammatory and analgesic properties. Key examples include Devil’s claw (Harpagophytum spp.), turmeric (Curcuma longa) and willow bark (Salix alba), each containing characteristic constituents such as iridoid glycosides, curcuminoids and salicylates. These agents modulate inflammatory cascades by inhibiting proinflammatory enzymes, downregulating cytokine release and scavenging oxidative mediators. Preclinical studies have demonstrated efficacy in models of nociceptive and neuropathic pain, while emerging clinical evidence supports reductions in pain severity and improvements in function for musculoskeletal conditions. Advances in standardisation and novel delivery systems are enhancing bioavailability, and safety profiles are generally favourable when used at therapeutic doses. Integration of anti-inflammatory phytotherapeutics into multimodal pain management protocols holds promise for reducing reliance on non-steroidal anti-inflammatory drugs and opioids, thereby addressing a critical public health need.

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Anti-Inflammatory Phytotherapeutics in Chronic Pain Management publication trend

The graph below shows the total number of articles in anti-inflammatory phytotherapeutics in chronic pain management across all publications each year (not limited to Nature Index journals).

Technical terms

Phytotherapeutics: Preparations derived from medicinal plants containing bioactive constituents used for therapeutic purposes.

Iridoid glycosides: A class of plant-derived compounds characterised by a cyclopentanoid monoterpenoid core linked to sugar residues, noted for anti-inflammatory and analgesic effects.

Nociceptive pain: Pain arising from tissue damage or inflammation, transmitted via peripheral nociceptors to the central nervous system.

Neuropathic pain: Pain caused by lesion or disease of the somatosensory nervous system, often chronic and resistant to standard analgesics.

Cytokines: Small signalling proteins secreted by immune cells that regulate inflammatory responses and can sensitize nociceptors.

References

1. The Fight against Infection and Pain: Devil’s Claw (Harpagophytum procumbens) a Rich Source of Anti-Inflammatory Activity: 2011–2022. Molecules (2022).
2. In vitro antioxidant activity of crude extracts of Harpagophytum zeyheri and their anti-inflammatory and cytotoxicity activity compared with diclofenac. BMC Complementary Medicine and Therapies (2021).
3. Efficacy of Harpagophytum procumbens Extract in Osteoarthritis, Low Back Pain and Fibromyalgia: a Review of Researches. Pain. Joints. Spine (2022).