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General Conditions of Allergy, Symptoms and Signs


4. General Conditions of Allergy, Symptoms and Signs

Body parts are likely to react to allergies include the eyes, nose, lungs, skin, and stomach. Although a variety of allergic diseases can arise differences, they all come from the response / reaction to the excessive immune foreign substances in sensitive people. The following brief descriptions will present an overview of allergic disorders are common.


Allergic Rhinitis

Allergic rhinitis ("hay fever") is the most common of the allergic diseases and refers to seasonal nasal symptoms caused by pollen. Year-round allergic rhinitis or perennial allergic rhinitis (perennial) usually caused by allergens in the house / room, such as mites (dust mites), animal dander, or molds. It can also be caused by pollen. The symptoms are from inflammation of the tissue that lines the inside of the nose (coatings or mucous membranes) after allergens are inhaled. Adjacent areas, such as the ears, sinuses, and throat can also be involved. The symptoms of the most common include:

• Runny Nose
• Nasal congestion
• Sneezing
• Itchy nose
• Ear-ear and itchy throat
• Post nasal drip

In 1819, an English physician, John Bostock, first described hay fever by detailing the nasal symptoms of seasonal itself, which he called "summer catarrh". The condition is called hay fever because it is expected to be caused by "new hay".


Asthma

Asthma is a breathing problem that comes from the inflammation and spasm (spasm) of the airways of the lungs (bronchial tubes). The inflammation causes a narrowing of the airways, which restricts the flow of air into and out of the lungs. Asthma most often, but not always, associated with allergies. Common symptoms include:

• Shortness of Breath
• wheezing (Wheezing)
• Cough
• Chest tightness
• Allergy Spy

Allergy eyes (allergic conjunctivitis) is an inflammation of the tissue layers (membranes) that cover the surface of the eyeball and the under surface of the eyelid. Inflammation occurs as a result of allergic reactions and may result in the following symptoms:

• redness under the eyelids and eyes the whole
• watery eyes and itchy eyes
• swelling of the membranes


Allergic Eczema

Allergic eczema (atopic dermatitis) is an allergic rash that is generally not caused by skin contact with the allergen. This condition is commonly associated with allergic rhinitis or asthma, and includes the following symptoms:

• Itching, redness, and or dryness of the skin
• rash (rash) on the face, especially children
• Rash around the eyes, in the folds of elbows and behind the knees, especially in children and older adults


Hives

Hives (urticaria) are skin reactions that arise as a swelling-itching and swelling that can occur anywhere on the body. Hives can be caused by an allergic reaction, such as food or medicine, but they can also occur in people who are not allergic. Hives symptoms are typical:

• Raised red welts
• Itching great
• Allergic Shock

Allergic shock (anaphylaxis or anaphylactic shock) is a life-threatening allergic reaction that can affect a number of organs at the same time. This response typically occurs when the allergen eaten (for example, food) or disuntikakan (eg bee stings). Some or all of the following symptoms may occur:

• Hives or reddish discoloration of the skin
• Nasal congestion
• swelling of the throat
• Abdominal pain, nausea and vomiting
• Shortness of breath, wheezing (wheezing)
• Low blood pressure or shock

Shock refers to the insufficient blood circulation to the body tissues. The most common shock caused by blood loss or infection. Allergic shock is caused by enlarged blood vessels and "leaky", resulting in a decline in blood pressure.

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