"Symptoms may involve swelling of the lips, tongue and throat. In severe cases that can produce difficulty breathing. Anaphylaxis is common in those allergic to bites and stings. The blood pressure drops precipitously, leading to dizziness and possible circulatory failure. The throat can swell to the point that breathing is completely blocked."

Like any other allergy, a food allergy occurs when the immune arrangement overreacts to an allergen. In this case, the allergens are habitually milk, eggs, peanuts, shellfish and many other foods. An allergy is actually a category of hypersensitivity. Substances (called allergens) that a large amount people would suffer okay from cause others' immune systems to go into overdrive. Here's what's happening 'under the hood'... Those allergens can moreover become airborne. That means that proximity, not just contact, is enough to move the substance close enough to cause problems.
allergic ant bites - allergy