Pulvis Stypticus.—Styptic Powder.
Preparation.—Take of sulphate of iron, in powder, 2 ounces; alum, in powder, 1 ounce. Mix them, and calcine, by a red heat until a reddish substance is formed. It undoubtedly contains a portion of acid. When cold, pulverize the mass, and keep it in well-stopped bottles.
Action, Medical Uses, and Dosage.—This powder is styptic, and is frequently employed in the treatment of external hemorrhages and bleeding piles, either alone, or in combination with stramonium ointment, poke ointment, oil of fireweed, etc. Given internally, in doses of 3 grains, combined with capsicum, 1 grain, it has proved effectual in passive hemorrhages from the lungs and uterus.