Then gradually add diluted alcohol until 2 pints of percolate have been obtained, which retain and set aside. Continue the percolation until the drug is exhausted and distill or evaporate the alcohol from it. Each pint will contain the virtues of 4 ounces of the ingredients. It may be flavored with essence of wintergreen, sassafras, or prickly ash berries, etc. This article has also been termed Alterative syrup , but it is much superior to the compound formerly known by this name.
Some physicians add an ounce of the iodide of potassium to every pint of syrup.