Critical aspects in sublingual route of drug delivery

The most common route of drug administration is oral route in which drug is swallowed and absorbed in systemic circulation through the membrane of gastrointestinal track. But due to common problem of dysphasia number of population finds difficulty in swallowing the conventional dosage form. Sublingual route is very useful when rapid onset of action is desired with good patient compliance than orally ingested tablets. Sublingual tablets can be formulated by various techniques. New sublingual technologies address patient needs & many pharmaceutical, ranging from enhanced life-cycle management to convenient dosing for geriatric, paediatric and psychiatric patients with dysphagia.