LIQUOR POTASSII ARSENITIS—SOLUTION OF POTASSIUM ARSENITE (Fowler’s Solution)

Derivation.—Arcenous acid, potassium bicarbonate, compound tincture of lavender and distilled water. Strength one part of arcenous acid in 100.

Dose.—Horses, 2 drs. to 1 oz.; cattle, 12 to 112 ozs.; sheep and pigs, 10 to 40 ms.; dogs, 2 to 5 ms. Average dose for horse is 12 oz. usually given three times daily in drinking water or bran mash.