rhubarb

(ru’barb) [L. rhkabar'berum wild rhubarb; Gr. ῥᾶ rhubarb]. The purgative and astringent root of Rhe'um of ficin a’le (also called rhubarb) and of several other species of the same genus. Rhubarb contains chrysophanic acid, tannic acid, and other principles. It is laxative, cholagogue, astringent, and a gastric tonic, and is used in constipation from intestinal indigestion, diarrhea, and hemorrhoids. Dose of drug (rhesens) in substance, 2-30 gr. (0.133-2 gm.); of extract. 5-15 gr. (0.333-1 gm.); of fluidextract, 15-45 min. (1-3 c.c.); of syrup, also of aromatic syrup, 1-4 fi.dr. (4-16 c.c.); of tincture, 1-8 dr. (4-32 c.c.); of aromatic tincture, 30-75 min. (2-5 c.c.); of sweet tincture (tinctu'ra rhe'i dul’cis), 1-4 fi.dr. (4-10 c.c.); of wine, 1-2 fi.dr. (4-8 ¢.c.); of mistu’ra rhe’t εἰ so’da, x dr.-1 oz. (4-30 c.c.); of compound pills (containing also aloes and myrrh), 1-4; of pud’ris rhei compos'it us (Gregory’s powder), 20-60 gr. (1.33-4 gm.). Bhuphos (ru’fos). A physician of Ephasus who practised at the beginning of the second century A. D. He wrote numerous works, of which but few have survived. Bhus (rus) [L., gen. rho’is]. A genus of anacardiaceous trees and shrubs, many of them poisonous. Β. aromat’ica, a shrub of North America, is tonic and stimulant in incontinence of urine and hematuria. Dose of fluidextract of root-bark, §-30 min. (0.3-2 c.c.); of solid extract, 1-5 gr. (0.066-0.333 gm.). RB. gla’bra, sumac, a nonpoisonous species, is astringent and refrigerant, and is used in aphthe and pharyngitis. Dose of fluidextract, 30-60 min. (2-4 ς.ο.). Β. toxicoden’- M, or poison-oak, a poisonous species of sumac. The leaves or juice, when applied to the skin, cause a severe dermatitis and internal poisoning: used principally for rheumatism and in homeopathic practice. Dose of fluidextract, ~)-1 min. (0.006- 0.066 c.c.); of tincture, 1-6 min. (0.066-0.4 c.c.). R. venena’ta, swamp-sumac, or poison-sumac, is poisonous.