Describing about allergy in Assamese . And homemade remedies for allergy in Assamese.
Allergies, also known as allergic diseases, are a number of conditions caused by hypersensitivity of the immune system to typically harmless substances in the environment.These diseases include hay fever, food allergies, atopic dermatitis, allergic asthma, and anaphylaxis.Symptoms may include red eyes, an itchy rash, sneezing, a runny nose, shortness of breath, or swelling.Food intolerances and food poisoning are separate conditions.
Allergy Hives are a common allergic symptomSpecialtyAllergy and immunology Symptoms Red eyes, itchy rash, runny nose, shortness of breath, swelling, sneezing Types Hay fever, food allergies, atopic dermatitis, allergic asthma, anaphylaxis CausesGenetic and environmental factors .Diagnostic methodBased on symptoms, skin prick test .Differential diagnosisFood intolerances, food poisoning .PreventionEarly exposure to potential allergens .TreatmentAvoiding known allergens, medications, allergen immunotherapy MedicationSteroids, antihistamines, epinephrine .FrequencyCommon
Common allergens include pollen and certain food. Metals and other substances may also cause problems. Food, insect stings, and medications are common causes of severe reactions. Their development is due to both genetic and environmental factors.The underlying mechanism involves immunoglobulin E antibodies (IgE), part of the body's immune system, binding to an allergen and then to a receptor on mast cells or basophils where it triggers the release of inflammatory chemicals such as histamine.Diagnosis is typically based on a person's medical history.Further testing of the skin or blood may be useful in certain cases.Positive tests, however, may not mean there is a significant allergy to the substance in question.
Early exposure to potential allergens may be protective.Treatments for allergies include avoiding known allergens and the use of medications such as steroids and antihistamines. In severe reactions injectable adrenaline (epinephrine) is recommended.Allergen immunotherapy, which gradually exposes people to larger and larger amounts of allergen, is useful for some types of allergies such as hay fever and reactions to insect bites. Its use in food allergies is unclear.
Allergies are common. In the developed world, about 20% of people are affected by allergic rhinitis, about 6% of people have at least one food allergy, and about 20% have atopic dermatitis at some point in time.Depending on the country about 1–18% of people have asthma. Anaphylaxis occurs in between 0.05–2% of people.Rates of many allergic diseases appear to be increasing.The word "allergy" was first used by Clemens .
Signs and symptoms
Common symptomsAffected organSymptomNoseSwelling of the nasal mucosa(allergic rhinitis) runny nose, sneezingSinusesAllergic sinusitisEyesRedness and itching of the conjunctiva (allergic conjunctivitis, watery)AirwaysSneezing, coughing, bronchoconstriction, wheezingand dyspnea, sometimes outright attacks of asthma, in severe cases the airway constricts due to swelling known as laryngeal edemaEarsFeeling of fullness, possibly pain, and impaired hearing due to the lack of eustachian tubedrainage.SkinRashes, such as eczema and hives (urticaria)Gastrointestinal tractAbdominal pain, bloating, vomiting, diarrhea
Many allergens such as dust or pollen are airborne particles. In these cases, symptoms arise in areas in contact with air, such as eyes, nose, and lungs. For instance, allergic rhinitis, also known as hay fever, causes irritation of the nose, sneezing, itching, and redness of the eyes. Inhaled allergens can also lead to increased production of mucus in the lungs, shortness of breath, coughing, and wheezing.
Aside from these ambient allergens, allergic reactions can result from foods, insect stings, and reactions to medications like aspirin and antibiotics such as penicillin. Symptoms of food allergy include abdominal pain, bloating, vomiting, diarrhea, itchy skin, and swelling of the skin during hives. Food allergies rarely cause respiratory (asthmatic) reactions, or rhinitis.Insect stings, food, antibiotics, and certain medicines may produce a systemic allergic response that is also called anaphylaxis; multiple organ systems can be affected, including the digestive system, the respiratory system, and the circulatory system. Depending on the rate of severity, anaphylaxis can include skin reactions, bronchoconstriction, swelling, low blood pressure, coma, and death. This type of reaction can be triggered suddenly, or the onset can be delayed.
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