Syrupus Senegae (U. S. P.)—Syrup of Senega.
Related entry: Senega (U. S. P.)—Senega
Preparation.—"Fluid extract of senega, two hundred cubic centimeters (200 Cc.) [6 fl℥, 366♏]; ammonia water, five cubic centimeters (5 Cc.) [81♏]; sugar, )seven hundred grammes (700 Gm.) [1 lb. av., 8 ozs., 303 grs.]; water, a sufficient quantity to make one thousand cubic centimeters (1000 Cc.) [33 fl℥, 391♏]. Mix the fluid extract of senega with three hundred cubic centimeters (300 Cc.) [10 fl℥, 69♏] of water, and with the ammonia water, and set the mixture aside for a few hours. Then filter, and pass enough water through the filter to obtain five hundred and fifty cubic centimeters (550 Cc.) [18 fl℥, 287♏]. In the filtrate dissolve the sugar by agitation, without heat, strain, and add enough water, through the strainer, to make the product measure one thousand cubic centimeters (1000 Cc.) [33 fl℥, 391♏]. Mix thoroughly. Syrup of senega may also be prepared in the following manner: Prepare a percolator or funnel in the manner described under syrup (see Syrupus). Pour the filtrate obtained as directed in the preceding formula upon the sugar, return the first portions of the percolate, until it runs through clear, and, when all the liquid has passed, follow it by water, until the product measures one thousand cubic centimeters (1000 Cc.) [33 fl℥, 391♏]. Mix thoroughly"—(U. S. P.).
Action, Medical Uses, and Dosage.—This forms a stimulating expectorant, which is often very useful in affections of the chest, etc. It is frequently combined with syrup of squill, tincture of lobelia, syrup of sanguinaria, etc. Its dose is 1 or 2 fluid drachms.