Common signs of an allergy helps us tell if something wrong is happening to our body. According to statistics, around 50 million of Americans are affected with allergies of different kinds. Allergies happen because of the hypersensitivity of the immune system to harmless substances. Common causes of allergies are food, pollen grains, dust mites and pet dander.
Allergies are a slight
imperfection in the immune system of a person. Because of this, when a person
is exposed to a substance that is generally harmless, an allergic reaction
occurs and these substances are referred to as allergens. Once a there is
exposure to an allergen, the immune cells release a substance called histamine.
When this happens, certain reactions are manifested outside our bodies which
are the symptoms of an allergy. Histamine fights off the foreign bodies that
enter our body and this is what causes allergic reactions. If a person
experiences chronic allergies, he/she should consult a physician. But with the
many allergies out there, various allergic reactions occur but nonetheless there
are still common signs of an allergy which we can observe when a person is
having an allergic attack. Through the common signs of an allergy, a person
will be able to tell if he or she is indeed having an allergic attack.
Common Signs of an Allergy
Eyes
The common sings of an
allergy can be seen in the eyes such as redness and itching of the conjunctiva
which sometimes results to watery or dry eyes. In cases where allergies are
severe, the symptoms of allergies around the eyes may appear inflamed and can
turn to a black or bluish shade. If not treated, there is a possibility that
the eye allergies will turn into more delirious conditions such as eye
infections or allergic conjunctivitis. Eye infection may lead to blindness
either temporarily or permanently which is why most physicians would prescribe
antihistamines or antibiotics in the form of eye drops.
Nose, Sinuses, Airways
During the course of an
allergic reaction, the nasal mucosa or the walls of the nose swell especially
if its allergic rhinitis and the sinuses swell too. The most common signs of an
allergy are the congestion of the sinuses, nasal obstruction and nasal
discharge. The reason why sinus congestion happens is because of the
inflammation and swelling of the sinus cavities which we commonly call
sinusitis. The airways constrict especially during asthma causing difficulty in
breathing as well as dyspnea, sneezing, and coughing.
Ears
Common signs of an
allergy in the ears is the feeling of fullness. At times, some people complain
of pain and even hearing problems because of the drainage that the Eustachian
tube (an inner part of the ear) lacks.
Skin
Allergies manifest in
the skin in the form of hives and rashes such as eczema. They are perhaps the
most common signs of an allergy. A natural skin allergic reaction are hives
which cause red, itchy welts in many parts of the body. During allergic
reactions, hives can last for a few minutes up to more than 24 hours and they
may be treated with the use of oral antihistamines or topical ones that may be
directly to the affected area. Eczema on the other hand is common among
children. On worst cases, eczema can cause severe itching on the skin, it may
be treated with oral antihistamines or be applied with topical creams that have
corticosteroids.
Digestive Tract
An allergic reaction that can affect the digestive system are manifested with vomiting, bloating and diarrhea. There are also instances when abdominal pain is experienced by the affected person.
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