» Prepare Vehicle for Oral Suspension as follows (see Pharmaceutical Compounding—Nonsterile Preparations 795).

Calculate the quantity of each ingredient required for the total amount to be prepared. Accurately weigh/measure each ingredient. Heat about 90 mL of the Purified Water to 70 to 75. Dissolve the Methylparaben, followed by the Citric Acid, Dibasic Sodium Phosphate, and Potassium Sorbate in the heated water. Remove from the heat. Constantly mixing, slowly sprinkle on the Microcrystalline Cellulose, Xanthan Gum, Carrageenan, and Carboxymethylcellulose Sodium. Continue to stir until fully hydrated, add the Simethicone, and mix well. Add sufficient Purified Water to volume, and mix well. Adjust the pH if necessary. Package, and label.