Nedocromil

Products Medicines containing nedocromil are no longer available in many countries. The eye drops (Tilavist), nasal spray (Tilarin), and preparation for inhalation (Tilade) are out of commerce, presumably for commercial reasons. This article refers to ocular use. Structure and properties Nedocromil (C19H17NO7, Mr = 371.34 g/mol) belongs to the class of pyranoquinolines and is present … Nedocromil

Allergy

Symptoms Allergies can affect various organ systems: Skin: hives with wheals, itching, redness, swelling (edema), eczema. Nose: runny and stuffy nose, sneezing, itching. Airways: bronchoconstriction, shortness of breath, cough, asthma. Digestive tract: diarrhea, vomiting, indigestion. Eyes: Allergic conjunctivitis, redness, tearing. Cardiovascular: Drop in blood pressure, rapid heartbeat Mouth, mucous membrane: Burning, furry feeling, swelling. Throat: … Allergy

Allergic Conjunctivitis

Symptoms Symptoms of allergic conjunctivitis include itching, red eyes, eye watering, a thin discharge, and sneezing. The conjunctiva may be swollen, making it appear glassy. The itching and red eyes are particularly characteristic of the disease. Causes The inflammation is often caused by a pollen allergy (hay fever). In this case, it is also called … Allergic Conjunctivitis

N-Acetyl-Aspartyl-Glutamic Acid

Products N-acetyl-aspartyl-glutamic acid is commercially available in the form of eye drops (Naabak). It has been approved in many countries since 2006. Structure and properties N-acetyl-aspartyl-glutamic acid (C11H16N2O8, Mr = 304.3 g/mol) is an amino acid derivative. Effects N-acetyl-aspartyl-glutamic acid (ATC S01GX03) is antiallergic by inhibiting mast cell degranulation and inhibiting the release of mediators … N-Acetyl-Aspartyl-Glutamic Acid

Hay Fever Causes

Symptoms Possible symptoms of hay fever include: Allergic rhinitis: itchy, runny or stuffy nose, sneezing. Allergic conjunctivitis: red, itchy, watery eyes. Cough, mucus formation Itching in the mouth Swollen, blue discolored skin under the eyes Fatigue Sleep disturbance due to the discomfort Hay fever is often accompanied by other inflammatory diseases of the mucous membranes. … Hay Fever Causes

Urticaria: Causes and Treatment

Symptoms Urticaria is a skin disorder that manifests itself in the following symptoms: Temporary wheals with a diameter of millimeters to centimeters, which recede on their own within minutes to hours. Itching, burning and redness of the skin. Angioedema, which is a swelling of the lower skin or mucosal tissue that may be accompanied by … Urticaria: Causes and Treatment

Cholinergic Urticaria

Symptoms Cholinergic urticaria is a type of urticaria that occurs primarily on the upper body, chest, neck, face, back, and arms. It manifests itself in an initially scattered and then coalescing redness of the skin, itching, burning and a sensation of warmth. At the same time, small wheals form, which are smaller than in other … Cholinergic Urticaria

Blocked Nose

Symptoms The possible symptoms of a stuffy nose include difficult nasal breathing, swelling of the mucous membrane, a feeling of fullness, secretions, crusting, rhinitis, itching, and sneezing. The stuffy nose often occurs at night while lying down and also triggers insomnia, sore throat and headache. Causes A stuffy nose restricts the flow of air through … Blocked Nose

Itch

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

Cold Urticaria

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

Mast Cell Stabilizers

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

Atopic Dermatitis: Eczema

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