When you have an allergic reaction to a substance the body to release histamine and other chemicals in the blood. This causes itching, swelling and other symptoms. Nests are a common reaction, especially in people with other allergies such as hay fever.
When swelling or welts occur around the face, lips and eyes, is called angioedema. Swelling of angioedema can also occur around the hands, feet and throat.
Many substances can trigger hives, including:
Animal dander (especially cats)
Insect bites
Medicine
Pollen
Food Seafood, fish, nuts, eggs, milk and other
Hives may also develop due to:
Emotional stress
Extreme cold or sun exposure
Excessive sweating
Disease (including lupus, other autoimmune diseases, and leukemia
Infections like mononucleosis
When swelling or welts occur around the face, lips and eyes, is called angioedema. Swelling of angioedema can also occur around the hands, feet and throat.
Many substances can trigger hives, including:
Animal dander (especially cats)
Insect bites
Medicine
Pollen
Food Seafood, fish, nuts, eggs, milk and other
Hives may also develop due to:
Emotional stress
Extreme cold or sun exposure
Excessive sweating
Disease (including lupus, other autoimmune diseases, and leukemia
Infections like mononucleosis
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