Situs chating sex indonesia - Types of non sedating antihistamines
There are two kinds of histamine receptors, H1 and H2.These receptors both receive histamine as a messenger, but the meaning conveyed is different.H1 receptors tend to produce the symptoms already listed and activate allergic reactions.
Skin sensations local itching or burning sensation, flushing and a disagreeable heat.
Stomach pain acid secretion increases; small intestine contracts with crampy pain Respiratory - nose swelling, congestion, sneezing and wheezing.
Anxiety and agitation with diffuse, deep, odd body sensations:"..bones are on fire", "I feel weird all over", "...a deep pricking, crawling sensation...".
Histamine carries its message to a large number of cells by attaching to a special receptor on the cells' surfaces.
They also activate the acid-producing, parietal cells of the stomach lining.
Histamine dilates blood vessels and acts with prostaglandins, PGE2 and PGI2, to produce the early swelling, redness and heat of an inflammatory response.
The same mediators may sensitize nerve endings to other pain-producing mediators such as bradykinin.
Almost everyone has taken an antihistamine to treat hay fever, itching, to relieve nausea and vomiting, in tablets and syrups used to treat cough and cold symptoms, or as an aid to sleep.
The popularity of antihistamines is a mute testimony to the diverse negative effects of histamine.Tags: Adult Dating, affair dating, sex dating