Rubidium And Ammonium Bromide

Rb Br + 3(NHi) Br.

White crystalline powder, soluble in water, it contains 34 parts in 100 of Rubidium Bromide. Used with success for epilepsy; dose, 1/2 to 2 drachms daily.

Csesium Rubidium and Ammonium Bromide; also Gold and

Potassium Bromide, Au Br3 KBr + 2H20, are similarly used with good effect.

Rumex Crispus

Dock or Yellow Dock. Indigenous. N. 0. Polygonaceæ.

Depurative and alterative tonic. Tincture (1 in 10 of proof spirit); dose, 5 to 20 drops.

"For morning diarrhoea." - Sydney Ringer, Therapeutics, 1882. p. 459. Rumicin. Extractive of above. Dose, 1 to 3 grains.

Rusot

Berberis Lycium, and B. Asiatica, India. N. 0. Berberidaeea.

Root-bark, bitter, from the presence of Berberine. The watery extract of the bark is valuable in ophthalmia, and as a febrifuge.

Saccharin

(See Glusidum.)

Saffrol. C10H10O2

The stearoptene of oil of Sassafras, liquid at ordinary temperature. Acts like Menthol, but not so irritant. Dr. Dana has used it for myalgia, sciatica, and headache. Dose, 20 to 40 minims.

Salipyrin

Salpyrine, Salicylate of Antipyrin. C11 H20 NO. C7 H6 03

A compound of 57.7 parts of Salicylic acid and 42.3 parts of Antipyrin. A white, sweetish, odourless powder, little soluble in water, but more so in alcohol. Reduces the temperature. Dose, 15 grains to 60 grains. Some say give 30 grains, and then, in a few hours, 15 grains.

"It seems to have no advantage over Antipyrin." - Brit. Med. Journ. 4-10-90.

Sanguinaria Canadensis

Blood Root. N America. N. O. Papaveraccæ.

The root has a red juice. Emetic, diaphoretic, and purgative, Chronic and acute bronchitis. Dose of tincture, 30 to 60 drops.

Sanguinarin

From S. Canadensis.

Brown extractive resin. Is similar in its properties to Leptandrin, with similar dose, viz., 1/2 to 2 grains.