precipitated sulfur

(redirected from lac sulfuris)

sulfur

 [sul´fer]
a chemical element, atomic number 16, atomic weight 32.064, symbol S. (See Appendix 6.)
sulfur dioxide a colorless, nonflammable gas used as an antioxidant in pharmaceutical preparations; it is also an important air pollutant, irritating the eyes and respiratory tract.
precipitated sulfur a topical scabicide, antiparasitic, antibacterial, antifungal, and keratolytic.
sublimed sulfur a topical scabicide and antiparasitic.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

pre·cip·i·tat·ed sul·fur

sublimed sulfur boiled with lime water, the lime being removed from the precipitate by washing with diluted hydrochloric acid; used in preparing sulfur ointment and in the treatment of various skin disorders.
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precipitated sulfur

A form of sulfur used in various skin diseases, including scabies. Its keratolytic effect helps to make it effective in those disorders.
See also: sulfur
Medical Dictionary, © 2009 Farlex and Partners