药物信息为Visicol (Salix Pharmaceuticals, Inc.): DESCRIPTION

Visicol^® (sodium phosphate monobasic monohydrate, USP, and sodium phosphate dibasic anhydrous, USP) is a purgative used to clean the colon prior to colonoscopy. Visicol^® Tablets are white to off-white compressed tablets, with a monogram "I" on each side of the upper surface and a plain lower surface. Each tablet contains 1.102 grams of sodium phosphate monobasic monohydrate, USP and 0.398 grams of sodium phosphate dibasic anhydrous, USP for a total of 1.5 grams of sodium phosphate per tablet. Inert ingredients include microcrystalline cellulose (MCC), NF; magnesium stearate, NF; and colloidal silicon dioxide, NF. Visicol^® is gluten-free.

The structural and molecular formulae and molecular weights of the active ingredients are shown below:

• Sodium phosphate monobasic monohydrate, USP Molecular Formula: NaH₂PO₄•H₂O Molecular Weight: 137.99
• Sodium phosphate dibasic anhydrous, USP Molecular Formula: Na₂HPO₄ Molecular Weight: 141.96

Visicol^® Tablets are for oral administration only.