---Medicinal Action and Uses---Diuretic, Stimulant, Deobstruent. An infusion of the whole herb is considered an active and valuable remedy in the treatment of dropsy, chronic kidney diseases and affections of the bladder. The infusion of tea, made from one ounce of the herb in a pint of boiling water, is taken in wineglassful doses. Carrot tea, taken night and morning, and brewed in this manner from the whole plant, is considered excellent for lithic acid or gouty disposition. A strong decoction is very useful in gravel and stone, and is good against flatulence. A fluid extract is also prepared, the dose being from 1/2 to 1 drachm.
The seeds are carminative, stimulant and very useful in flatulence, windy colic, hiccough, dysentery, chronic coughs, etc. The dose of the seeds, bruised, is from one-third to one teaspoonful, repeated as necessary. They were at one time considered a valuable remedy for calculus complaints. They are excellent in obstructions of the viscera, in jaundice (for which they were formerly considered a specific), and in the beginnings of dropsies, and are also of service as an emmenagogue. They have a slight aromatic smell and a warm, pungent taste. They communicate an agreeable flavour to malt liquor, if infused in it while in the vat, and render it a useful drink in scorbutic disorders.
Old writers tell us that a poultice made of the roots has been found to mitigate the pain of cancerous ulcers, and that the leaves, applied with honey, cleanse running sores and ulcers. An infusion of the root was also used as an aperient