Category Archives: Other allergies

Antihistamine

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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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Neurodermatitis

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The neurodermatitis (or atopic eczema, atopic dermatitis; obsolete Prurigo Besnier) is an eczema chronic or chronic-repeated, determined by several factors:

1. immunological:
* allergic reactions
* other immunological disorders
2. not immunological:
* psychological disorders and Neurovegetativo
* lipid metabolism disorders of the skin
* secondary bacterial infections of dermal regions eczematosi
* irritation caused by clothes, detergent and other substances
* cool, dry climate
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Asthma – symptoms and therapy

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Asthma is a chronic inflammatory disease of the airways , which play a role several cells, in particular the mast, the eosinophils the T lymphocytes. In subjects predisposed this inflammation causes recurrent episodes of wheezing breath, difficulty breathing, feeling of chest tightness and coughing.

These symptoms are usually associated with widespread but variable broncoostruzione reversible after therapy with bronchodilators or spontaneously. The inflammation also causes an increase in airway response to many stimuli more or less specific.

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What allergies are, common types, what doctors can do, and how to deal with them!

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Allergy is a alter of the unsusceptible system also named as atopy. Hypersensitized reactions take place because of environmental substances acknowledged as allergens. These reactions are acquired, inevitable and fast.

It is defined by unreasonable activation of reliable bool cells titled mast cells and basophils by a type of antibody noted as IgE, turned out in an intense inflammatory reaction.

Ordinary allergic reactions regard eruption, hives, hay fever, asthma, nutrient allergies, and reactions to the neurotoxin of pain insects much as wasps and bees.
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