Products Nasal sprays are very widely used and there are many different products on the market, which are approved drugs or medical devices (see below). Nasal sprays are also manufactured in pharmacies. Structure and properties Nasal sprays are solutions, emulsions, or suspensions intended for spraying into the nasal cavities. They may contain one or more … Nasal Sprays
Effects Antihistamine nasal sprays have antihistamine and antiallergic properties. They are antagonists of histamine at the H1 receptor, reversing histamine effects and thus relieving symptoms such as sneezing, itching, and runny nose. Azelastine is also mast cell stabilizing, which is considered a therapeutic advantage. Glucocorticoid nasal sprays are more effective than antihistamine nasal sprays, but … Antihistamine Nasal Sprays
Physiological background Itch results from activation of specialized afferent unmyelinated C fibers in the skin. These fibers are anatomically identical to those that conduct pain but differ in function and stimulus transmission to the brain. They contain a number of receptors such as histamine receptors, PAR-2, endothelin receptor, and TRPV1, and mediators such as histamine, … Itch
Symptoms Atopic dermatitis, or neurodermatitis, is a noncontagious, chronic inflammatory skin disease that causes episodes of red, rough, dry or weeping, crusted and scaly skin. Eczema can occur all over the body and is typically accompanied by severe itching. Patients have dry skin. In infants, the disease begins on the scalp and cheeks. Depending on … Atopic Dermatitis: Eczema
