Phytotherapy research : PTR
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Review
Systematic Review of Adverse Effects from Herbal Drugs Reported in Randomized Controlled Trials.
Herbal drugs have become a popular form of healthcare, raising concerns about their safety. This study aimed to characterize the adverse effects of herbal drugs through a systematic review of results reported in randomized controlled trials (RCTs). Using eight electronic databases including PubMed, the Cochrane library and six Korean medical databases, the frequency of reported toxicity was recorded based on drug composition and indication. ⋯ The most frequently reported adverse event was digestive symptoms (44.3%), followed by nervous system symptoms (17.3%) and behaviors such as loss of appetite (16.3%). This is the first systematic review of adverse effects of herbal drugs among clinical studies, and the results indicate that herbal drugs are relatively safe. Copyright © 2016 John Wiley & Sons, Ltd.
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Review
Systematic Review of Adverse Effects from Herbal Drugs Reported in Randomized Controlled Trials.
Herbal drugs have become a popular form of healthcare, raising concerns about their safety. This study aimed to characterize the adverse effects of herbal drugs through a systematic review of results reported in randomized controlled trials (RCTs). Using eight electronic databases including PubMed, the Cochrane library and six Korean medical databases, the frequency of reported toxicity was recorded based on drug composition and indication. ⋯ The most frequently reported adverse event was digestive symptoms (44.3%), followed by nervous system symptoms (17.3%) and behaviors such as loss of appetite (16.3%). This is the first systematic review of adverse effects of herbal drugs among clinical studies, and the results indicate that herbal drugs are relatively safe. Copyright © 2016 John Wiley & Sons, Ltd.