Nasal sprays are medications used topically in the nose.
Generally, they are used for a local effect right inside the nose. Sometimes, they are used to deliver a medicine into the bloodstream by this route. The fact is that the mucosa of the nose absorbs most drugs into the body. This fact raises legitimate concerns about the inadvertant systemic effects that might happen when a nasal spray is being used for it's local effects. Click below to learn more about the specifics for the different kinds of nasal sprays.