Then he explained to the stranger precisely what ailed him, and prescribed—a seidlitz powder.
Therein was a small packet which resembled the familiar wrapper of a seidlitz powder.
The bowels should be kept open by Rochelle or Epsom salts, or seidlitz powder.
Hastily and with trembling fingers he took from his wallet a tissue-paper package wrapped after the fashion of a seidlitz powder.
A seidlitz powder, or tablespoonful of Epsom salts in a glassful of water, is advisable at the onset of an attack.
Seidlitz powder Seid·litz powder or Seid·litz powders (sěd'lĭts)
A mixture of tartaric acid, sodium bicarbonate, and potassium sodium tartrate, used as a mild cathartic by dissolving in water and drinking.