Skin hives or utricaria is a harmless skin allergy, which is mostly caused by allergens such as cat dander, insect bites, pollen grains, shellfish, nuts, tomatoes, soy, chocolates, berries or certain medications such as penicillin, sulfa, aspirin etc. Some people are allergic to the above-mentioned substances or to certain others, which have not been listed here. The skin becomes cold, clammy, diaphoretic, and cyanotic. Blood pressure falls and the pulse becomes thready as cardiac output falls.
Skin will appear blotchy or affected with localized pink or red bumps or welts in small patches or large outbreaks (then called Angioedema). This visually perceived redness (called “wheals”) can be accompanied by itching, swelling, and burning or stinging sensations. Skin hives can be caused by your body, if you have an allergy to foods, medications or other substances. It can take up to a few hours for hives to show up, or it can happen immediately.
Skin disorders such as hives, acne and seborrheic dermatitis affect millions of people all over the world. As these diseases occur mostly on faces, people suffering from them may feel embarrassed because of their unsightly appearance
Hives indication are often caused by allergic reactions but can have other physical causes as well. Skin contact with wool or scented detergents can be a trigger for some people while others react in inhaling pet dander or pollen.
Hives indication tend to appear on the skin and affect just the first few layers of skin. If hives get into the deeper levels of the skin, you will experience an overall swelling and angioedema symptoms.
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