Convenience of administration and patient compliance are gaining significant importance in the design of dosage forms. Despite of tremendous innovations in drug delivery, the oral route remains the preferred route for administration of therapeutic agents because of accurate dosage, low cost therapy, self medication, non invasive method and ease of administration leading to high level of patient compliance. US-FDA: United States Food and Drug Administration defined orally disintegrating tablets as A solid dosage form containing medicinal substance or active ingredients which disintegrate rapidly usually within a matter of seconds when placed upon the tongue. These results to a rapid onset of action and greater bioavailability of the drug than those observed from conventional tablet dosage forms. These are novel types of tablets that disintegrate/dissolve/disperse in saliva .They are also suitable for the mentally ill and bed ridden patients who do not have easy access to water. The benefit in terms of patient compliance, rapid onset of action, increased bioavailability and good stability makes these tablets popular as a dosage form of choice in the current market.
