Corneal disease is the primary cause of visual loss in allergic eye disease. It occurs almost ... an immunologically mediated hypersensitivity reaction to environmental antigens.

When an allergic reaction happens, epinephrine must be injected ... opens the airways, and reduces swelling. It also reduces the amount of histamine released by the body, which is the chemical ...

so keep an eye on them. The reaction may cause swelling of their airway, causing them to stop breathing. The baby or child may have mild allergies, resulting in itchy skin and eyes. If they have a ...

Many people who react to insect stings will experience a mild to moderate irritant reaction in the form of pain, localized skin discoloration, and swelling. This is not an allergic reaction.