‘allergic reaction’

Physical Urticaria

Tuesday, June 15th, 2010

Physical urticariaUrticaria is the appearance of skin lesions with erythema (redness), formation of hives (elevated pale skin), and itching that can occur locally or widely throughout the body. Causal factor whose hives are the physical stimuli, heat, cold, scratching, pressure, etc … are the group that is called physical urticaria. Constitute the majority of known cause chronic hives.

Special Features

1. Are clinically measurable or quantifiable, because the stimuli that cause so are to play in the diagnosis.

2. They tend to be immediate (onset in minutes) and short (after an hour tend to disappear). As an exception we delayed pressure urticaria.

3. In the majority of cases are located at the site of stimulation.

4. They tend to be reproducible challenge test clinically well defined, which makes diagnosis and control. Physical Urticaria

5. They usually affect young adults, with a preference for females.

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Allergy to Nuts (Part 1)

Tuesday, April 27th, 2010

Nuts allergyToday allergy to nuts can be considered an important condition because it usually manifests at a young age and large numbers of cases lasts a lifetime.

Almonds, chestnuts, hazelnuts, walnuts, etc can cause symptoms in people even without consuming them simply by skin contact or inhalation.

1. Did you know?

They are named (nuts) due to suffering from drying during processing. Different plant species are included, but are characterized by being rich in protein and fat and have less than 50% water. It is advisable to wait until 3 or 4 years to make the nuts in the diet of children.

Since these are a very allergenic foods and we should be cautious when the demos for the first time to our children. Allergy to nuts is an abnormal response of body to the protein found in nuts. After the fish and seafood, nuts are the foods most often cause food allergies in the population.

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General Information of Allergy

Thursday, March 4th, 2010

allergyWhat is Allergy?

An allergy is an exaggerated response of our organism, when in contact with certain substances from outside. Substances capable of causing an allergic reaction are called allergens or simply allergens.

How do you get?

The immune response is of great importance but sometimes causes serious problems:

In organ transplants (kidney, heart, lung …) our immune system identifies the new organ as foreign and try to put in place to combat it, if not the rejection medications are given to reduce this response (called immunosuppressants).

Sometimes confuses the immune system components of our body with foreign elements and starts a reaction against them leading to the autoimmune diseases (many rheumatic conditions are the origin).

Sometimes it produces an immune response in the presence of harmless substances to the body, which are usually tolerated by it. This overreaction is called allergy and the substances are allergens that trigger. The potential allergens are very numerous and may contact us through various means:

The air we breathe: plant pollens, house dust, fungi, animal hair … Food: fish, eggs, nuts, … Drugs: penicillin, aspirin, … Insect stings, bites, … Skin contact: cosmetics, industrial products …

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