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Allergy To ALLAllergy refers to exaggerated immune responses in allergic individuals due to reaction of immune system to certain environmental triggers (commonly known as allergens).  Immune system of allergic individuals can detect and memorize allergens which that of non-allergic people fail to recognize.

Thus sensitization i.e. production of specific antibody against those allergens occurs in body of those allergic individuals when they come in contact with those allergen. Allergic reaction occurs as a result of sensitization.


Symptoms and severity of allergic reaction may vary from person to person. Most of the time, the symptom occurs with itchy eyes followed by inflammation in other body parts. Typical allergic symptoms include-

  • Itchy eyes (Sometimes itchiness in all over the body may occur)
  • Sinusitis
  • Runny nose
  • Inflammation
  • Nausea/ vomiting
  • Diarrhea
  • Coughing, sneezing and/or wheezing
  • Asthma (in some cases)

Most of the allergies can never be cured, treatment is available only to alleviate symptoms.


Depending on the type of allergen, the specific signs of allergic reaction may vary.

Cockroach Allergy

Cockroach allergens from different parts of the body of cockroach may cause allergic reaction in allergic individuals.

  • Stuffy nose
  • Skin rash
  • Coughing and wheezing
  • Shortness of breath
Drug Allergy

Any prescription or non-prescription medication can cause drug allergy.

  • Breathing problems
  • Hives and itchy skin
  • Inflammation
  • Facial swelling
  • Anaphylaxis
Dust Allergy

Dust Allergy can occur from dust exposure.

  • Asthma symptoms
  • Watery eyes
  • Stuffy or runny nose
eye allergy symEye Allergy

Both outdoor and indoor may cause such allergies.

·        Itchy and bloodshot eyes

·        Burning sensation on eyes

·        Nasal allergy symptoms

·        Seasonal allergic conjunctivitis may occur

 Food Allergies

Occur most often in infants.

  • Itchy skin
  • Tingling mouth
  • Contraction of smooth muscles
Insect Sting Allergy

Anaphylaxis is most common symptom and requires immediate medical attention. Other symptoms include swelling at the sting site and asthma symptoms.

Latex Allergy

Allergic reaction occurs due to exposure to latex products.

  • Hives and itchy skin
  • Asthma symptoms
  • Stuffy or runny nose
  • Anaphylaxis may occur
Mold Allergy

The allergy occurs in allergic individuals for exposure to mold or pollen.

  • Itchiness in throat, eyes or inside of ears
  • Swollen eyelid
  • Stuffy or runny nose
  • Sneezing, coughing or wheezing
  • Stuffy or runny nose
  • Sneezing
  • Scratchy throat
  • Itchy eyes and nose
  • Watery and swollen eyes
  • Peeling and reddish skin
  • Sensation of itchiness in skin
Pet Allergy

Allergic individuals may develop allergic reactions due to exposure to skin flakes, urine, saliva or dander of household pets.

·        Allergic conjunctivitis

·        Hay fever

·        Inflammation of the eye

 Hay Fever

Also called allergic rhinitis where symptoms are developed by nasal inflammation or irritation.

Atopic Dermatitis

It is an allergic condition of skin and also called eczema.


Anaphylactic shock or anaphylaxis is an uncommon but potentially dangerous medical condition that occurs as a symptom of some of the allergic reactions. It generally occurs within minutes of exposure to a particular allergen and can be life-threatening therefore requires immediate medical attention. The following symptoms occur in anaphylactic reaction. Immediately ask for medical advice whenever you observe such condition.

  • Collapse and loss of consciousness
  • Difficulty breathing, speaking or swallowing
  • A weak, rapid pulse
  • Nausea and vomiting
  • Fall in blood pressure
  • Swelling of the airways and mouth