Medical uses [edit]. Azelastine nasal spray is indicated for the local treatment of the symptoms of seasonal allergic rhinitis and perennial allergic rhinitis, such as rhinorrhea, sneezing and nasal pruritis in adults and children 5 years of age and older.zelastine has been formulated both as a nasal spray and as eye drops and are available worldwide under many brand names.
A sea is a large body of salt water that is surrounded in whole or in part by land. More broadly, the sea is the interconnected system of Earth's salty, oceanic watersâconsidered as one global ocean or as several principal oceanic divisions.
Key Difference: Oceans are large bodies of water that exist on the Earth. Oceans and seas are both bodies of water and these terms are often used interchangeably due to their lack of proper definition. Water bodies make up the hydrosphere that covers 71% of the Earth. Oceans and seas have slight differences among them.