What Causes Allergies

Scientists know what causes allergies.
What causes allergies. These diseases include hay fever food allergies atopic dermatitis allergic asthma and anaphylaxis. These substances are known as allergens and when your body reacts to them it causes an allergic reaction. Epinephrine adrenaline is the first-line treatment for anaphylaxis which results when exposure to an allergen triggers a flood of chemicals that can send your body into shock.
An allergic reaction occurs when a persons immune system becomes hypersensitive to certain substances such as foods pollen medications or bee venom. A substance that causes an allergic. When particles of pollen pet dander or certain types of food enter our bodies theyre called antigens.
What really causes allergic reactions is your. Doctors can also use. Cats in particular cause allergies but dogs and rabbits too can trigger the itching and sneezing of airborne allergy.
These are caused by pollen released by plants. That being said touching or eating certain foods can cause allergic skin reaction and symptoms including rash hives itchiness burning swelling and even painful skin areas. Its not clear why this happens but most people affected have a family history of allergies or have closely related conditions such as asthma or eczema.
Below is more information about what causes your bodys response to certain allergens. Mild reactions include local symptoms affecting a specific area of your body such as a rash or hives itchiness wateryred eyes hay fever and runny nose. Sometimes allergies will go away but they also can come back years later.
If your body has a sensitivity to that particle it. You can inhale eat and touch allergens that cause a reaction. As the House Call Doctor explained allergy symptoms occur when our immune.