An ondansetron solid orally disintegrating dosage form for oral administration having at least one first water-dispersible component or water-insoluble cellulose derivative, a component having a —CHOH functional group, a disintegrating agent and at least one lubricant is provided. The dosage form can comprise ondansetron, a hydrophilic polymer such as microcrystalline cellulose, a component having a —CHOH functional group such as mannitol or xylitol and a disintegrating agent such as crospovidone. The lubricant may be a mixture of magnesium stearate, sodium stearyl fumarate and colloidal silicon dioxide. The present invention provides a non-effervescent tablet comprising the ondansetron dosage form. Another aspect of the invention is the treatment of emesis such as nausea and vomiting caused by cancer chemotherapy and radiation by the administration of the ondansetron formulation of the present composition. Finally, a process of forming an ondansetron disintegrating tablet using the ondansetron dosage form is disclosed.
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