MMWR Morb Mortal Wkly Rep. 1993 Aug 27;42(33):633-6.
The consumption of traditional ethnic remedies can have adverse health effects, especially among children. Life-threatening bradycardia with rapid onset and central nervous system (CNS) and respiratory depression developed in three unrelated children in Colorado during 1993 following ingestion of Jin Bu Huan tablets, a Chinese herbal medicine used for relieving pain. This report summarizes the investigations of these cases.