Abstract

Abstract: Nasal administration of mucosal medications and vaccines is an alternate and promising method of drug and vaccine delivery. Mucosal pathways can be used selectively for various disorders due to many benefits. Many initiatives are now being made to yield effective medications and cutting-edge nasal delivery systems. The structure of the nasal cavity and key features were discussed in this review. With a focus on vaccine distribution, the benefits, successes, and difficulties of using the nasal route for medical purposes were examined. The strong result supports the benefits and security, of the safety of nasal medication and vaccination administration. This alternate path may help many unmet medical needs and may also make big vaccination drives or expensive, protracted chronic therapies possible. Today, despite some lingering criticism, the area of nasal medicine and vaccine delivery is expanding quickly, supported by recent advancements in nanotechnology, imaging, and administration devices. The variety of drugs that have been licensed for nasal delivery is expected to increase significantly.

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