Nasal delivery is a choice of treatment or drug delivery for the topical treatment of nasal diseases and paranasal sinuses like sinusitis and allergic rhinitis. Moreover, the nasal route is considered in some cases over the normal oral route owing to rapid absorption and needle-free drug delivery with the effect as desired. Hence, it is also one of the preferred routes for needle-free vaccination and systemic drug delivery. Moreover, this route helps addressing issues related to poor bioavailability, slow absorption, drug degradation and adverse events in the gastrointestinal tract. Atomized nasal medications rapidly absorb across mucosal membranes into the bloodstream, avoiding first-pass metabolism. However, during nasal delivery one needs to take care to protect the delicate lungs from hazardous exposures. Medication in liquid form can be administered via nasal route through inhalers, spray pumps, droppers, nebulizers or atomizers. In atomizers the medication exits the tip as a fine
