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Roles of traditional medicine and traditional healers for rabies prevention and potential impacts on post-exposure prophylaxis: A literature review

Journal

PLOS NEGLECTED TROPICAL DISEASES
Volume 16, Issue 1, Pages -

Publisher

PUBLIC LIBRARY SCIENCE
DOI: 10.1371/journal.pntd.0010087

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Traditionally, traditional medicine has been widely used globally to treat various injuries and illnesses, including dog bites and exposures to rabies. However, the efficacy of traditional remedies used for the prevention and treatment of rabies has not been proven through controlled trials or community-based surveys.
IntroductionGlobally, traditional medicine is widely used to treat a variety of injuries and illnesses, including dog bites, and exposures that are risky for rabies. However, efficacy of most traditional remedies used for rabies prevention or treatment has not been demonstrated in controlled trials or proven in community-based surveys. MethodsSix databases were searched including the terms rabies, traditional treatment, traditional remedy, traditional therapy, traditional medicine, and medicinal treatment to review traditional remedies used in the prevention and treatment of rabies. In addition, published literature of rabies transmission dynamics was used to estimate statistical likelihood of dog bite victims developing rabies to provide clarity as to why traditional healers have a high apparent success rate when preventing death from rabies in victims bitten by suspected rabid dogs. ResultsLiterature review yielded 50 articles, including three controlled experiments, that described use of traditional remedies for rabies prevention and treatment. Traditional remedies for rabies ranged from plant- or animal-based products to spiritual rituals; however, only a few controlled mice trials were conducted, and none of these trials demonstrated efficacy in preventing or treating rabies. Risk of dying from rabies after a bite from a dog with unknown rabies status is low, 1.90% (0.05%-29.60%). Therefore, traditional healers had a 98.10% (70.40%-99.95%) apparent success rate in preventing death from suspected rabid dog bites despite inefficaciousness of herbal remedies. ConclusionThere was no universal plant species or route of administration that was consistently used for rabies prevention or treatment across countries. No traditional remedy was efficacious in the prevention or treatment of rabies in randomized controlled experiments. Understanding the cultural context under which traditional remedies are used may facilitate collaboration of traditional healers with the modern medical system to ensure timely and appropriate use of proven therapies for prevention and clinical management of rabies. Author summaryTraditional medicine is commonly used worldwide for a variety of ailments and diseases, including animal bite wound care and pre-clinical rabies prevention. Traditional healers often use herbal-based remedies containing local plants. Other traditional remedies include animal-based or spiritual-based methods. This literature review included plant surveys, controlled mice experiments, and community-based studies concerning rabies prevention provided by traditional healers in multiple countries. There was no consistent remedy used across the published literature, and most importantly, there were no published studies supporting effective traditional medicine methods for use in the prevention or treatment of human rabies. Our review of rabies virus transmission rates show that traditional healers have a high apparent success rate of preventing rabies deaths from dog bites, but there is no scientific or medical basis for this perception. Educating communities about proven, effective rabies prevention through post-exposure prophylaxis while understanding the cultural importance of traditional medicine is needed for promoting effective rabies prevention.

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