![]() IN VITAMIN D RESISTANT RICKETS THE RANGE BETWEEN THERAPEUTIC AND TOXIC DOSES IS NARROW. Dosage levels must be individualized and great care exercised to prevent serious toxic effects. Therapeutic dosage should be readjusted as soon as there is clinical improvement. Vitamin D administration from fortified foods, dietary supplements, self-administered and prescription drug sources should be evaluated. ![]() Inactive Ingredients: FD&C Blue #1, FD&C Yellow #5, Gelatin, Glycerin, Soybean Oil. One USP unit of vitamin D 2 is equivalent to one International Unit (IU), and 1 mcg of vitamin D 2 is equal to 40 IU.Įach capsule contains 1.25 mg (50,000 International Units vitamin D) of ergocalciferol, USP, in an edible vegetable oil.Įrgocalciferol, also called vitamin D 2, is 9, 10-secoergosta-5,7,10 (19), 22-tetraen-3-ol, (3ß,5Z,7E, 22 E)- (C 2 8H 4 4O) with a molecular weight of 396.65, and has the following structural formula: There are more than 10 substances belonging to a group of steroid compounds, classified as having vitamin D or antirachitic activity. Ergosterol or provitamin D 2 is found in plants and yeast and has no antirachitic activity. DRISDOL brand of ergocalciferol capsules, USP, is a synthetic calcium regulator for oral administration.Įrgocalciferol is a white, colorless crystal, insoluble in water, soluble in organic solvents, and slightly soluble in vegetable oils.
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