American medical botany, being a collection of the native medicinal plants of the United States, containing their botanical history and chemical analysis, and properties and uses i by Bigelow Jacob 1786-1879

Author:Bigelow, Jacob, 1786-1879
Language: eng
Format: epub, pdf
Tags: Botany, Medical, Botany
Publisher: Boston, Cummings and Hilliard
Published: 1817-03-25T05:00:00+00:00

and occasionally produces the most severe effects. It is however extremely various in its action, upon persons of different idosyncrasies. Some cannot come within the atmosphere of the shrub, without suffering the most violent consequences. Others are but slightly affected by handling it, and some can even rub, chew, and swallow the leaves without tlie smallest inconvenience.

The most formidable cases in persons subject to this poison, usually commence within twenty four hours after the exposure. The interval is sometimes longer, but more frequently shorter. The symptoms are generally ushered in by a sense of itching and a tumefaction of the hands and face. The swelling gradually extends over various parts of the body, assuming an erysipelatous appearance. The inflamed parts become more elevated, acquiring a livid redness, attended with a painful burning sensation. Small vesicles now appear upon the surface, which extend and run into each other. They contain a transparent fluid, \^ Inch by degrees becomes yellow, and at length assumes a purulent appearance. A discharge takes place from these vesicles or pustules, giving rise to a yellowish incrustation, which afterwards becomes brown. In the mean time an insupportable sensation of itching and burning is

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