Note See also the following page: cholinergic urticaria. Symptoms Localized or generalized depending on exposure. Cold-exposed areas of the body are often affected, such as the face: wheals, redness, itching, burning, angioedema. Systemic accompanying symptoms such as fever, chills, pain, headache; complications such as anaphylaxis, respiratory distress, collapse (see below). Symptoms usually appear shortly after … Cold Urticaria
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
Products Mast cell stabilizers are commercially available in many countries in the form of eye drops, as nasal sprays, as oral capsules, and as tablets. Several antihistamines also have mast cell stabilizing properties (see there). Structure and properties The typical structural elements of mast cell stabilizers include carboxylic acids. However, the chemical structure of the … Mast Cell Stabilizers
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
