Complex regional pain syndrome (CRPS) is a complex condition characterized by chronic pain and various sensory, motor, and autonomic symptoms. It involves a complex interplay of mechanisms in the nervous system, including neuroinflammation, sensitization of pain pathways, and dysfunction of the sympathetic nervous system. Antioxidants may play a role in CRPS by helping to counteract oxidative stress, which is an imbalance between the production of reactive oxygen species (ROS) and the body's antioxidant defences. CRPS involves inflammation and tissue damage, which can lead to increased ROS production and oxidative stress. Our paper represents a preliminary study on various commercially available natural-based products regarding their antioxidant effect. Several natural products with antioxidant properties, such as vitamins C and E, polyphenols, flavonoids, and botanical extracts, have shown promise in preclinical studies for their potential to alleviate pain and reduce inflammation associated with CRPS. The potential use of natural-based products with antioxidant effects for mitigating CRPS symptoms is still an area of ongoing research and investigation, but nonetheless it holds promise.
Keywords: CRPS; DPPH; antioxidant; natural products.
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