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Nasal spray - Wikipedia. Nasal sprays are used to deliver medications locally in the nasal cavities or systemically. They are used locally for conditions such as nasal congestion and allergic rhinitis. In some situations, the nasal delivery route is preferred for systemic therapy because it provides an agreeable alternative to injection or pills.
14 lis 2023 · Nasal drops, or nasal sprays or solutions, are pharmaceutical formulations designed for application into the nostrils. They commonly treat various nasal conditions, including nasal congestion, allergies, sinusitis, and dryness.
18 paź 2012 · Drops and vapor delivery are probably the oldest forms of nasal delivery. Dripping breast milk has been used to treat nasal congestion in infants, vapors of menthol or similar substances were used to wake people that have fainted, and both drops and vapors still exist on the market (e.g., www.vicks.com). Drops were originally administered by ...
the nose plays in protecting against the negative health im-pacts of exposure to airborne pollutants, pollen and viruses • Provide an evidence-based overview of the effective use of saline nasal sprays and drops in adults and children • Share clinical perspectives and practical advice from
12 kwi 2016 · The document discusses nasal drug delivery systems. It covers the anatomy and physiology of the nose, mechanisms of nasal absorption, factors affecting absorption like molecular weight and pH, strategies to improve absorption like penetration enhancers, and considerations for nasal drug formulations including pH, osmotic agents, and absorption ...
1 maj 2023 · The three primary functions of the nose are to aid in respiration, to filter and defend against external particles and allergens, and to enable olfaction. The nasal cycle is a physiologic alternation of resistance between the two nasal airways, created by changes in congestion and decongestion, and may aid in respiratory defense.
Nasal secretions are constitutively produced by seromucous glands and goblet cells. After allergen challenge, increased secretions may be produced from these same sources, with the addition of plasma contents leaked from dilated blood vessels.
