45.8% caffeine.—White powd.—Sol. in 2 parts water.—Uses: By injection, 2—10 grn.
Caffeine and Sodium Salicylate Merck.
62.5% caffeine.—White powd.—Sol. in 2 parts water.—Uses: By injection; in rheumatism with heart disease, and in threatened collapse of pneumonia.—Dose: 11/2—6 grn.
Calamus—U.S.P.
Sweet Flag.—Dose: 15—60 grn.—Preparation: F.E. (1:1).
Calcium Bromide Merck.—U.S.P.
White granules; very deliquescent; sharp, saline taste.—Sol. in water, alcohol.—Nerve Sedative, like potassium bromide.—Uses: Epilepsy, hysteria, etc.—Dose: 10—30 grn., 2 t. daily.
Calcium Carbonate, Precipitated, Merck.—U.S.P.
Precipitated Chalk.—Dose: 10—40 grn.
Calcium Carbonate, Prepared—U.S.P.