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Book Formulas - Fenners Complete Formulary 1892, page 559.
The U. S. formula is:
Iodine: 5 parts or ½ ounce av.
Iodide of Potassium: 10 parts or 1 ounce av.
Distilled Water: 85 parts or 8 3/8 fl. ounces
Dissolve the Iodine and Iodide of Potassium in the Distilled Water, and keep the solution in well-stopped bottles.
The Br. P. under the heading Liquor Iodi or Solution of Iodine directs Iodine 10 parts, Iodide of Potassium 15 parts, Distilled Water 200 parts. The percentage of Iodine is the same as in the U. S. formula.
Uses – Lugol's Solution, as it is popularly known, is given internally in doses of 3 minims (4 drops) to 5 minims (6 drops) diluted with water as an alternative and absorbent.
