Distinctive whistling sounds during breathing and wheezing may signal serious allergic reactions that require prompt medical ...

Discover commonly overlooked causes of allergic reactions and rashes, from hidden household allergens to unexpected food ...

Dander can trigger allergies. You might also react ... Insects that cause allergic reactions include bees, fire ants, yellow jackets, hornets, and wasps. If you get stung by an insect, you might ...

Anaphylactic reactions usually start within minutes of contact with the trigger, but they can also happen an hour or more later. Some people never figure out what caused their reactions.

Allergic reactions on the face can cause raised welts, swollen lips, and watering eyes. Using antihistamines and avoiding common triggers, like pollen, animal fur, and perfumed cosmetics ...

Food allergic reactions vary in severity from mild symptoms involving hives and lip swelling to severe, life-threatening symptoms, often called anaphylaxis, that may involve fatal respiratory ...