Types of non sedating antihistamines weisler coral dating
A class of non-sedating drugs that bind to but do not activate histamine receptors (DRUG INVERSE AGONISM), thereby blocking the actions of histamine or histamine agonists.
However, the exact way that they ease these symptoms is not fully understood.This is one of the most common uses of antihistamines. For example: Histamine is a chemical naturally produced by various cells in your body. Large amounts of histamine are made in cells called mast cells, in places where the body comes into contact with the outside environment. Here, mast cells and histamine form part of your immune defence system.(Whereas, in the stomach, histamine made by cells that line the stomach helps to produce acid for food digestion.)Your immune system cells monitor your blood and mucosae for anything (for example, germs such as bacteria or viruses) that is not made by your body.They have a number of uses, but are most often used to treat allergies.If you are one of the many people who get hay fever each year, you will know all about antihistamines.