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Types of Allergies
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Allergy is defined as a disorder of the immune system often also referred to as atopy. Allergic reactions occur when a person’s immune system reacts to normally harmless substances in the environment.

Allergy is defined as a disorder of the immune system often also referred to as atopy. Allergic reactions occur when a person’s immune system reacts to normally harmless substances in the environment.

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  • 1. Allergy :An allergy is a specific reaction of the bodys immune system to anormally harmless substance, one that does not bother most people.People who have allergies often are sensitive to more than onesubstance.Allergic reaction :Normally, the immune system functions as the bodys defense againstinvading germs such as bacteria and viruses. In most allergicreactions, however, the immune system is responding to a false alarm.When an allergic person first comes into contact with an allergen, theimmune system treats the allergen as an invader and gets ready toattack.
  • 2. The signs and symptoms of airborneallergies are familiar to many: Sneezing, often with a runny orclogged nose Coughing and postnasal drip Itching eyes, nose, and throat Watering eyes Conjunctivitis
  • 3. TYPES OF ALLERGIES : Food Allergy Pollen Allergy Mold allergy Dust Mite Allergy Animal Allergy Cockroach allergy Smoke Allergy
  • 4.  Severe allergic reactions (anaphylaxis) needto be treated with a medicine calledepinephrine, which can be life saving whengiven right away. If you use epinephrine, call 911and go straight to the hospital. The best way to reduce symptoms is toavoid what causes your allergies. This isespecially important for food and drug allergies. There are several types of medications toprevent and treat allergies. Which medicine yourdoctor recommends depends on the type andseverity of your symptoms, your age, andoverall health. Illnesses that are caused by allergies (suchas asthma, hay fever, and eczema) may needothertreatments.