Nasal sprays are used to deliver medications ] many pharmaceutical drugs live as nasal sprays for systemic management e.g. sedative-analgesics, treatments for Alzheimer's disease together with Parkinson's disease. Nasal sprays are seen as a more efficient way of transporting drugs with potential use in crossing the blood–brain barrier.
Saline sprays are typically non medicated. A mist of saline solution containing sodium chloride is offered to support moisturize dry or irritated nostrils. This is a pull in of nasal irrigation. They can also relieve nasal congestion & remove airborne irritants such as pollen and dust thereby providing sinus allergy relief.
Three classification of nasal sprays preparations of sodium chloride are usable including hypertonic 3% sodium chloride or sea water, isotonic 0.9% sodium chloride and hypotonic 0.65% sodium chloride. Isotonic solutions develope the same salt concentration as the human body, whereas hypertonic solutions draw a higher salt content and hypotonic solutions have a lower salt content. Isotonic saline nasal sprays are ordinarily used in infants and children to wash out the thick mucus from the nose in issue of allergic rhinitis. Hypertonic solutions may be more useful at drawing moisture from the mucous membrane and relieving nasal congestion.
Natural nasal sprays that put chemical complexes derived from plant leadership such as ginger, capsaicin and tea-tree oil are also available. There is however no trial-verified evidence that they have a measurable effect on symptoms.