what is the definition of hives
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- Hives are a very common reaction to all kinds of stimuli. While an allergic reaction can be a cause of hives, in the majority of outbreaks, the exact cause of hives is not known.
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hive hive. noun. 1. colony, swarm the dance performed by honeybees as they returned to the hive. 2. centre, hub, powerhouse (slang) In the morning the house was a hive of activity.
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Hives Hives frequently occur following an infection or as a result of an allergic reaction such as to medication, insect bites, or food. Psychological stress, cold temperature, or vibration may also be a trigger. In half of cases the cause remains unknown. Risk factors include having conditions such as hay fever or asthma.
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Hives and Your Skin Urticaria, also known as hives, is an outbreak of swollen, pale red bumps or plaques (wheals) on the skin that appear suddenly -- either as a result of the body's reaction to certain allergens, or for unknown reasons. Hives usually cause itching, but may also burn or sting.They can appear anywhere on the body, including the face, lips, tongue, throat, or ears. Hives vary in size (from a pencil eraser to a dinner plate), and may join together to form larger areas known as plaques.llergic hives and angioedema form when, in response to histamine, blood plasma leaks out of small blood vessels in the skin. Histamine is a chemical released from specialized cells along the skin's blood vessels.
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- Measure the circumference of the part of your palm just below the knuckles, excluding your thumb (see image). Round up to the next whole inch, then add 1 to the measurement to determine your Keeper glove size. ie. 7.5 -> 8 + 1 = 9.
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- Hives are also known as urticaria, welts, wheals, or nettle rash. It is a red, raised, itchy skin rash that is sometimes triggered by something that produces an allergic reaction-an allergen. When there is an allergic reaction the body releases a protein called histamine.
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Hives and Your Skin A. Hives, also known as urticaria, are an outbreak of swollen, pale red bumps, patches, or welts on the skin that appear suddenly -- either as a result of allergies, or for other reasons. Hives usually cause itching, but may also burn or sting. They can appear anywhere on the body, including the face, lips, tongue, throat, or ears. Hives vary in size (from a pencil eraser to a dinner plate), and may join together to form larger areas known as plaques.
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Hives and Your Skin A. A. A. Urticaria, also known as hives, is an outbreak of swollen, pale red bumps or plaques (wheals) on the skin that appear suddenly -- either as a result of the body's reaction to certain allergens, or for unknown reasons.Hives usually cause itching, but may also burn or sting.he 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. Fresh foods cause hives more often than cooked foods.
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Hives Hives, also known as urticaria, are red welts that appear on the skin and are typically caused by an allergic reaction to foods or medication. They may appear like a normal skin rash that is slightly raised, forming in large patches.
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Overview Hives — also known as urticaria (ur-tih-KAR-e-uh) — is a skin reaction that causes itchy welts, which can range in size from small spots to large blotches several inches in diameter. Hives can be triggered by exposure to certain foods, medications or other substances.
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Hives (Urticaria) Hives (Urticaria) Hives, also known as urticaria, affects about 20 percent of people at some time during their lives. It can be triggered by many substances or situations and usually starts as an itchy patch of skin that turns into swollen red welts. The itching may be mild to severe.
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Understanding The Hives About Hives (urticaria). We explain the hives, the most common causes, symptoms, body parts most likely affected, treatment, & tips for controlling urticaria. The hives (urticaria) is a harmless type of rash or skin allergy that is usually caused by an allergy.The rash consists of circular, raised welts on the skin that are usually itchy and occur in batches. Hives can vary in size, from a few millimeters to several centimeters in diameter.he most common skin allergy triggers that cause hives include: • Medication such as antibiotics, codeine, penicillin, sulfa, anticonvulsant drugs, phenobarbital, and aspirin. • Foods like shellfish, nuts, tomatoes, soy, chocolate, and berries. • Pollen.
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Hives While most cases of hives go away within a few weeks or less, for some people they are a long-term problem. Chronic hives are defined as hives that last more than six weeks or hives that go away, but recur frequently. In most cases of chronic hives, a cause is never clearly identified. In some cases, chronic hives may be related to an underlying autoimmune disorder, such as thyroid disease or lupus. While the underlying cause of chronic hives is usually not identified, treatment can help with symptoms.
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Hives: Overview Hives are welts on the skin that often itch. These welts can appear on any part of the skin. Hives vary in size from as small as a pen tip to as large as a dinner plate. They may connect to form even larger welts.
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- Hives facts. 1  Hives (medically known as urticaria) are red, itchy, raised areas of skin that appear in varying shapes and sizes, each one characteristically lasts no longer than six to 12 hours.  Hives are very common, and most often their cause is elusive.
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Hives Hives, also known as urticaria, are red welts that appear on the skin and are typically caused by an allergic reaction to foods or medication. They may appear like a normal skin rash that is slightly raised, forming in large patches. Hives may also connect to one another, giving the appearance of very large welts on the affected area.
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Hives and Your Skin A. Urticaria, also known as hives, is an outbreak of swollen, pale red bumps or plaques (wheals) on the skin that appear suddenly -- either as a result of the body's reaction to certain allergens, or for unknown reasons.Hives usually cause itching, but may also burn or sting.istamine is a chemical released from specialized cells along the skin's blood vessels. Allergic reactions, chemicals in certain foods, insect stings, sunlight exposure, or medications can all cause histamine release. It's often impossible to find out exactly why hives have formed.
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Medical Dictionary Honey is a substance produced by bees from the nectar of plants. It is commonly used as a sweetener in food. It may also be used as a medicine. Honey can become contaminated with germs from plants, bees, and dust during production, collection, and processing.
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Hives Chronic hives are defined as hives that last more than six weeks or hives that go away, but recur frequently. In most cases of chronic hives, a cause is never clearly identified. In some cases, chronic hives may be related to an underlying autoimmune disorder, such as thyroid disease or lupus.While the underlying cause of chronic hives is usually not identified, treatment can help with symptoms.ives and angioedema also occasionally occur in response to blood transfusions, immune system disorders such as lupus, some types of cancer such as lymphoma, certain thyroid conditions, and infections with bacteria or viruses such as hepatitis, HIV, cytomegalovirus or Epstein-Barr virus.
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Hives Hives are usually caused by a mild allergic reaction, but they can also be caused by a rare but severe allergic reaction called an anaphylactic reaction. Very rarely, hives can be caused by an autoimmune disorder called lupus. For more information on causes, refer to causes of hives.
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What are hives? Hives lasting less than six weeks are called acute urticaria.. With this type of hives, the cause can often be found. Certain foods, medications, viruses and other illness, and even things in your home (cats, dogs, dust) can cause hives. Insect bites and internal diseases may also be responsible.
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Urticaria  (Hives) Urticaria (Hives) Itchy, raised red areas on the skin. Hives are caused by a reaction to certain foods, drugs, infections, or emotional stress. Also called urticaria.
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Hives and Your Skin Urticaria, also known as hives, is an outbreak of swollen, pale red bumps or plaques (wheals) on the skin that appear suddenly -- either as a result of the body's reaction to certain allergens, or for unknown reasons.
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Understanding The Hives About Hives (urticaria). We explain the hives, the most common causes, symptoms, body parts most likely affected, treatment, & tips for controlling urticaria. The hives (urticaria) is a harmless type of rash or skin allergy that is usually caused by an allergy. The rash consists of circular, raised welts on the skin that are usually itchy and occur in batches. Hives can vary in size, from a few millimeters to several centimeters in diameter.
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Hives Treatment CenterOver 150,000 patients helped since 2001 Hives are most commonly caused by  an allergic reaction in which your immune system releases histamine into the bloodstream to fight the allergen. In essence, your immune system thinks there is a foreign substance (called allergens) in your system, and tells the body to release histamine to fight it off.
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Hives Hives, also known as urticaria, are itchy, raised welts that are found on the skin. They may be red and painful to touch. In most cases, hives are caused by an adverse reaction to medication or an allergic reaction to an irritant.