Structure and properties Histamine (C5H10N3, Mr = 111.15 g/mol) is a biogenic amine (decarboxylated histidine). It is formed by L-histidine decarboxylase and plays a central role as a mediator in allergic reactions and in the immune system. It is found in mast cells, basophils, platelets and some neurons, where it is stored in vesicles and … Histamine Neurotransmitter
Symptoms The following pseudoallergic symptoms occur after ingestion of histamine-rich foods. The same person may not be affected by all of the symptoms. Diarrhea, stomach pain, colic, flatulence. Headaches and migraines, “histamine headache“. Dizziness Stuffy nose, runny nose, also known as gustatory rhinorrhea (runny nose when eating). Sneezing Headache Asthma, asthma attack Low blood pressure, … Histamine Intolerance Symptoms and Causes
Common allergies The nickel allergy is a so-called “contact allergy“. Nickel itself is a vital metal that occurs naturally in the body. However, external contact with the skin can lead to harmful reactions. Nickel is contained in many everyday objects such as jewellery, belts, paints or batteries. In contrast to many other allergies, contact allergy … Common allergies | Therapy of an allergy
Allergic emergency The treatment of an allergic emergency is related to the severity of the reaction and is particularly common in cases of allergies to food (nuts, etc.) and insect venoms. The affected patients therefore carry an emergency kit for self-help and self-medication, which contains a fast-acting antihistamine, a glucocorticoid and adrenaline (Epi-Pen: syringe with … Allergic emergency | Therapy of an allergy
Introduction The therapy against an allergy depends on its strength and severity. The range extends from simple ointments to the administration of life-saving emergency drugs such as adrenaline. Immunotherapy Specific immunotherapy – modes of action and implementation Therapeutic vaccines are well advanced in the treatment of some allergies (mediated by the antibody IgE). The purpose … Therapy of an allergy
