An antihistamine is a drug of different chemical nature that has the effect of countering the action of ‘histamine, one of the main leaders of Allergy.
H 1 Antihistamines
The first, acting on H 1 receptors, causing:
* vasodilatation of the smooth muscle of the bronchi;
* decreased capillary permeability and the formation of edema and ponfi;
* central nervous system depression, in particular ‘ethanolamine.
They are used in the treatment of various reactions of immediate type hypersensitivity (allergies) such as:
* rinite ; rhinitis;
* orticaria ; urticaria;
* congiuntivite . conjunctivitis.
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Posted in
Other allergies at October 20th, 2008.
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Definition
The protein in the flesh of shellfish is what most commonly causes the hypersensitised activity, yet it is also thinkable to hit an hypersensitized activity to shellfish dainty, made from the skin and clappers of shellfish.
Examples of shellfish include:Abalone, Clams, Crab,Crawfish, crayfish,Lobster, Oysters,
Scallops,Shrimp, Cockle, sea urchin, Mussels
Symptoms
Signs and symptoms of a shellfish allergy include:
* Hives, itching or eruption
* Symptom of the lips, present, ness and throat, or opposite parts of the embody
* Wheezing, bone congestion or discommode exhaling
* Abdominal somatesthesia, diarrhoea, nausea or ejection
* Symptom, lightheadedness or fainting
* Tingling in the rima
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Posted in
Food allergies at October 4th, 2008.
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