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What substance produced by the body is counteracted by anthistamine drugs?
Histamine is produced by the body in response to allergens, and antihistamine drugs work by blocking the action of histamine in the body.
How do allergies affect the body's production of histamine?
Allergies trigger the body to release histamine, a chemical that causes symptoms like sneezing and itching. This overproduction of histamine can lead to inflammation and other allergic reactions in the body.
Can narcotics abuse cause itching?
One side effect of narcotics is itching throughout the body, due to histamine release.1 Many medications share this side effect.
What is a vascular effect of histamine released from mast cells?
vasodialation
What has the author Michael A Beaven written?
Michael A. Beaven has written: 'Histamine' -- subject(s): Histamine, Metabolism, Physiological effect, Toxicology
Why is histamine dangerous?
When histamine is produced in the body, it can be over-produced because we are taking too much of one thing or another that our body cannot use.
Why does atropine effect histamine receptors?
It doesn't atropine only acts on muscarinic receptors (it's a competitive antagonist here for ACh), but histamine acts on different receptors (histamine receptors). There is no direct interaction between atropine and histamine receptors
Is Pheniramine an agonist or partialagonist or antagonist?
Pheniramine is a histamine drug which have anticholinergic action but its effect is agonistic or antagonist or partialagonist. Pheniramine is a histamine drug which have anticholinergic action but its effect is agonistic or antagonist or partialagonist.
What does the body produce when lymphocytes encounter an allergen?
histamine
What is the hestamine?
histamine is a compound produced in the body which causes pain and sweeling
What is the effect of histamine on small as well as large blood vessels?
Histamine causes the dilation of the small blood vessels while constrict the large blood vessels.
Is histamine is the most important natural body anticoagulant?
yes
