This section is from the book "A Practitioner's Handbook Of Materia Medica And Therapeutics", by Thos. S. Blair. Also available from Amazon: A Practitioner's handbook of Materia Medica and Therapeutics.
Serpentaria, Virginia Snakeroot, is a vascular stimulant, promoting secretion from the skin and mucous surfaces. It is used in the suppression of secretions from colds and in the course of fevers. In my own experience, a full teaspoonful of the fluidextract every three hours until three or four doses are taken is effective; but in the many chronic diseases in which it is recommended, it does not impress me at all favorably.