Extemporaneous preparation A 2 mg/ml oral suspension may be made with tablets. Crush four 50 mg tablets in a mortar and reduce to a fine powder. Add a small amount of glycerin and mix to a uniform paste. Mix while adding ora-sweet SF vehicle in incremental proportions to almost 100 ml transfer to a calibrated bottle. Rinse mortar with vehicle .and add quantity of vehicle sufficient to make 100 ml .label “shake well” and “refrigerate” stable for 90 days.