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February 1990

Pyrethrins and Pyrethroids in Dermatology

Author Affiliations

From the Departments of Dermatology and Cutaneous Surgery (Professor Taplin and Ms Meinking), and Epidemiology and Public Health (Professor Taplin), University of Miami (Fla) School of Medicine.

Arch Dermatol. 1990;126(2):213-221. doi:10.1001/archderm.1990.01670260083017

In 1987, we reviewed the history and development of natural pyrethrins and man-made synthetic pyrethroids.1 The following is a condensation of that report, an update on developments to 1989, and comments on a more recent study of permethrin 5% cream for the treatment of scabies that appears in this issue of the Archives.2

PYRETHRUM AND PYRETHRINS  The insecticidal properties of flowers in the genus Chrysanthemum have been known for centuries. The earliest use was carefully guarded and remains unrecorded, but is generally considered to have originated in Persia, now Iran.George A. McLauglin,3 in his eminently readable chapter on the history of pyrethrum, states that the first commercial production of Chrysanthemum cinerariaefolium began in Dalmatia, now Yugoslavia, in 1840. Pyrethrum is the approved common name for the dried flowers, and the terms pyrethrum powder or pyrethrum extract are used to describe the crude products obtained from them.

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