are hives dangerous in adults?
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Generally speaking, hives alone aren't dangerous, and they can usually be treated with over-the-counter antihistamines such as Benadryl. However, if hives present as part of systemic allergic reaction, seek immediate medical attention.
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Hives can appear on any part of the body and are often triggered by an allergic reaction. Hives aren't contagious, meaning you won't develop them on your skin by touching hives on another person. However, the trigger that causes this skin reaction can be contagious.
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Hives Linked to Underlying Autoimmune Disease Hives are also associated with having an underlying autoimmune disease. Hives have been linked to thyroid disease, rheumatoid arthritis, systemic lupus erythematosus, Sjögren's syndrome, celiac disease, Raynaud's syndrome, vitiligo, and type 1 diabetes.
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Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
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Acute urticaria: Hives lasting less than six weeks. The most common causes are certain foods, medications, or infections. Insect bites and internal disease may also be responsible. The most common foods that cause hives are nuts, chocolate, fish, tomatoes, eggs, fresh berries, and milk.
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Some people always get hives in the same spot or spots on their body. These people often have a trigger (what causes the hives). Every time they are exposed to that trigger, they get hives. Your dermatologist may call this type of hives fixed, which means not moving.
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They're often caused by an allergic reaction to a food or drug. Usually, they go away quickly. For a small number of people, though, hives come back again and again, with no known cause. When new outbreaks happen almost every day for 6 weeks or more, it's called chronic idiopathic urticaria (CIU).
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Also called urticaria, they pop up on your skin all of a sudden. Causes include allergies to drugs, chemicals, foods, or just about anything else. Hives alone may not be serious, but if you have them along with swollen lips or wheezing, they could be a warning sign of a more severe reaction.
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Hives are also known as urticaria. Hives themselves are not contagious unless they contain agents such as viruses that can be transmitted from an infected individual to another. The vast majority of hives are not contagious. Hives occur more frequently in children and in females.
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Hives can also be caused by physical factors such as cold, heat, exercise, pressure and exposure to sunlight. An inflammation of the skin that produces a red, scaly, itchy rash is known as dermatitis. Two of the most common types are atopic dermatitis (often called eczema) and contact dermatitis.
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Chronic urticaria. You can also develop hives from certain infections and insect stings. They can also be a sign of a more serious health problem, such as liver disease.
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Be mindful that hives may also be one of the signs of a more serious condition called anaphylaxis or anaphylactic shock. While uncommon in babies, anaphylactic shock is a very severe reaction and may result in your infant having breathing difficulties, throat swelling, and loss of consciousness, among other symptoms.
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In fact, viral infections cause more than 80 percent of all cases of acute hives in children. A variety of viruses can cause hives (even routine cold viruses). The hives seem to appear as the immune system begins to clear the infection, sometimes one week or more after the illness begins.
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Urticaria is known to affect up to 20 percent of the population and strikes people irrespective of age, race, or gender. 6﻿ Hives most often appear in the evening or early morning just after waking. Itching is typically worse at night, often interfering with sleep.
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Hives or rash Chronic hives may be due to an immune response, which is triggered by factors like heat, extreme exercise, or alcohol use. Stress can also cause hives, and can make hives you already have even worse.
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The urticaria is "autoimmune". The immune system is attacking the normal tissues of the body and causing hives as a result. We know certain urticaria sufferers have other signs of autoimmune problems.
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This is particularly true for hives that are recurrent or chronic (occurring on a daily basis). Hives due to allergy more often comes on in sudden discreet attacks after food only. Non-allergic hives can come and go any time of the day, and often occurs overnight or first thing in the morning too.