This is a well known article, grows wild, and may be found in most parts of the country. It is of a hot nature, and is made much use of in tea for measles and other eruptions to keep the disorder out, for which it is considered very good; this is owing to its warming qualities, which keep the determining powers to the surface, which effect may be produced by almost any strong stimulant, but the No. 2 is the best for the purpose. A tea made of this root may be given to advantage in many cases of disease; it has a tendency to promote perspiration, and is good to remove pain in the stomach and bowels, and expel wind.
It is stimulating to the mucous membrane throughout and large and frequent doses may prove irritating, especially if the alvine canal be already more or less irritated. In such cases more soothing agents will be better. But in languid and sluggish conditions it arouses promptly and fully.
In eruptive diseases, before the appearance of the full eruption, it is excellent, especially in languid conditions; but where milder agents will do the work, it is best to use them.
In the treatment of nettle rash or rhus poisoning, give freely and fully for a few hours and then stop.
Its influence is primarily towards the surface, but soon its influence is felt by the whole arterial system, and the heart's impulse becomes stronger and fuller. By its stimulating action upon the arterial side of the circulation and the whole nervous system is aroused by its influence. Even the uterus feels its influence and its use is valuable for the relief of colds suppressing the periods.
Given during parturition, when the feet are cold and there is a general receding of blood from the surface and where the pains are inefficient, this agent will have an excellent influence. It will also anticipate flooding.
Cold preparations quite freely influence the kidneys and relieve congestion and renal torpor.
It is best to use this agent thoroughly and then discontinue its use for some time.