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  1. Berengere I Vander Stricht,
  2. Olivier E Parvais,
  3. Renee J Vanhaelen-Fastre,
  4. Maurice H Vanhaelen
  1. Lecturer, Lecturer, Senior lecturer, Professor Laboratory of Pharmacognosy and Bromatology, Institute of Pharmacy, Free University of Brussels (ULB), Campus de la Plaine CP 205-4, B-1050 Brussels, Belgium.

    EDITOR,--We wish to add to the information given by David J Atherton about the use of traditional remedies.1 Exported herbal remedies have been adulterated with synthetic drugs to improve their activity and most likely their popularity in Western countries. We describe a dangerous evolution in the formulation of a Chinese herbal arthritis cure, Chuifong Toukuwan, manufactured by Nan Lien Pharmaceutical Company, Hong Kong. Since 1974 the following undeclared drugs, in association with 23 declared herbal drugs, have been detected: …

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