symptom hive definition
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Hives | Causes, Symptoms, Pictures, & Treatment Hives Definition. Hives (also called urticaria) is a condition that causes a noticeable skin rash with itchy, raised, pale red bumps. Hives are the result of allergic triggers in most cases. Other names for hives include welts, nettle rash, wheals, heat rash. There are 2 classifications of hives: acute and chronic.
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What You Should Know About Hives A subset of chronic hives is known as physical urticaria. This means that a specific physical stimulus causes hives in certain people. Physical hives cause up to 16 percent of chronic hives. A general description of each type of physical hives is given here, and a more detailed description is given separately.
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Symptoms & Types 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.. 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.
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Overview Hives can be triggered by exposure to certain foods, medications or other substances. Angioedema is a related type of swelling that affects deeper layers in your skin, often around your face and lips. In most cases, hives and angioedema are harmless and don't leave any lasting marks, even without treatment.
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Hives What Are Hives? Hives, also known as urticaria, are itchy, raised welts that are found on the skin. They are usually red, pink, or flesh-colored, and sometimes sting or hurt. In most cases, hives are caused by an allergic reaction to a medication or food or a reaction to an irritant. In many cases, hives are an acute (temporary) problem that may be alleviated with allergy medications. Most rashes go away on their own.
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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. Urticaria usually affects the throat, arms, legs, and trunk.
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How to Treat Hives: Naturally! Hives are the common name for the condition called urticaria, which is usually caused by an allergic reaction in the body. Hives are a skin rash characterized by raised pale red bumps on the skin that are itchy.
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Hives Hives also known as urticaria, is a kind of skin rash with red, raised, itchy bumps. They may also burn or sting. Often the patches of rash move around. Typically they last a few days and do not leave any long-lasting skin changes. Fewer than 5% of cases last for more than six weeks. The condition frequently recurs.
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Fever, Hives and Nausea or vomiting Fever, Hives and Nausea or vomiting. WebMD Symptom Checker helps you find the most common medical conditions indicated by the symptoms fever, hives and nausea or vomiting including Gastroenteritis, Allergic reaction, and Drug allergy.There are 116 conditions associated with fever, hives and nausea or vomiting.The links below will provide you with more detailed information on these medical conditions from the WebMD Symptom Checker and help provide a better understanding of causes and treatment of these related conditions.1  Gastroenteritis.here are 116 conditions associated with fever, hives and nausea or vomiting. The links below will provide you with more detailed information on these medical conditions from the WebMD Symptom Checker and help provide a better understanding of causes and treatment of these related conditions. 1  Gastroenteritis.
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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.
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10 Signs That You Have Hives Hives, also known as urticaria, is an outbreak of swollen, pale red bumps or plaques (wheals) that suddenly appear on the skin. Their appearance is usually the result of either the body’s reaction to certain allergens. Hives, generally speaking, cause and itchy feeling, but may also burn or sting.
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- Hives: A raised, itchy area of skin that may be a sign of an allergic reaction. It can be rounded or flat-topped but is always elevated above the surrounding skin. It reflects circumscribed dermal edema (local swelling of the skin). The hives are usually well circumscribed but may be coalescent and will blanch with pressure. A single spot is almost always gone by 24 hours but the process may stay for weeks to months. Approximately 20% of the population has experienced a bout of hives. The hives are also called urticaria.
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Definition Hives are red and sometimes itchy bumps on your skin. An allergic reaction to a drug or food usually causes them. Allergic reactions cause your body to release chemicals that can make your skin swell up in hives. People who have other allergies are more likely to get hives than other people. Other causes include infections and stress. Hives are very common. They usually go away on their own, but if you have a serious case, you might need medicine or a shot. In rare cases, hives can cause a dangerous swelling in your airways, making it hard to breathe - which is a medical emergency.
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Hives Symptoms of Hives. 1  Raised pink bumps with pale centers welts. 2  Hives look like mosquito bites. 3  Sizes of hives vary from ½ inch (12 mm) to several inches cm across.  Shapes and location of hives can be different. They can also change 1  frequently. Itchy rash.
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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 Definition of Hives. Hives: A raised, itchy area of skin that may be a sign of an allergic reaction. It can be rounded or flat-topped but is always elevated above the surrounding skin. It reflects circumscribed dermal edema (local swelling of the skin).
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- 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.ives, 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. Poison ivy, poison oak, and poison sumac are plants that contain an irritating, oily sap called urushiol.
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- Angioedema. Chronic hives signs and symptoms include: 1  Batches of red or white welts (wheals), usually on the face, trunk, arms or legs. 2  Welts that vary in size, change shape, and appear and fade repeatedly as the reaction runs its course.
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- Hives are raised areas of the skin that itch intensely and are red with a pale center (picture 1). Hives are a very common condition. About 20 percent of people have hives at some time during their lives. Hives develop when there is a reaction that activates immune cells in the skin called mast cells. When activated, these cells release natural chemicals. One important chemical is histamine, which causes itching, redness, and swelling of the skin in an area: a hive.
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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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Hives The most noticeable symptom associated with hives is the welts that appear on the skin. Welts may be red but can also be the same color as your skin. They can be small and round, ring-shaped, or large and of random shape.Hives are usually itchy, and tend to appear in batches on the affected part of the body.he most noticeable symptom associated with hives is the welts that appear on the skin. Welts may be red but can also be the same color as your skin. They can be small and round, ring-shaped, or large and of random shape.
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- Symptoms. 1  Hives on light skin. Hives on light skin Hives, also known as urticaria, are reddened, itchy welts that may be triggered by exposure to certain foods, medications or other substances. 2  Hives on dark skin. Hives on dark skin On dark skin, hives may be less visible but may still itch or burn. 3  Angioedema.
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Hives (Urticaria) If hives are an early sign of a whole-body reaction, other symptoms to look for include swelling of the tongue, lips or face; wheezing; dizziness; chest tightness; and breathing difficulties. If these symptoms occur, get immediate medical attention. You could be developing anaphylaxis, a life-threatening condition.
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What are hives, or urticaria? What are hives, or urticaria? Hives or urticaria are a type of rash consisting of itchy, swollen, red welts. The itching may be mild or severe. Foods, medications, infections, exercise, scratching, alcoholic beverages, emotional stress and many other factors may worsen hives. The condition affects an estimated 20 percent of the population at one time or another in their lives.
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Allergies guide What is hives? Hives, also known as urticaria, welts, weals or nettle rash, is an itchy, raised rash on the skin, often accompanied by swelling. Hives usually appear suddenly, sometimes because of an allergic reaction or being stung by a nettle.