what causes welts
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What are Welts? When welts are a sign of a medical problem, they are usually accompanied by other symptoms which provide clues to the problem. Physical trauma such as a blow can cause a welt, and welts can also be caused by allergic reactions, infections, injections, insect bites, and skin reactions, in very sensitive people. For example, in people with dermographism, even a gentle touch to the skin can cause a welt to emerge.
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Overview Causes. The welts that come with hives arise when certain cells release histamine and other chemicals into your bloodstream. Doctors often can't identify the reason for this skin reaction, or why it sometimes turns into a long-term problem (chronic hives).But the skin reaction may be triggered by: 1  Pain medications.he welts that come with hives arise when certain cells release histamine and other chemicals into your bloodstream. Doctors often can't identify the reason for this skin reaction, or why it sometimes turns into a long-term problem (chronic hives). But the skin reaction may be triggered by: 1  Pain medications.
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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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Itchy Eyes: Causes And Cures Most of the time, itchy eyes are caused by some type of allergy. An irritating substance (called an allergen) — such as pollen, dust and animal dander — causes the release of compounds called histamines in the tissues around the eyes, which results in itching, redness and swelling. Rubbing won't help your itchy eyes.
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Hives (Urticaria) Hives, also called urticaria, are circumscribed swellings on the skin that often are itchy. Often they are pink or red, but they don't have to be. Hives happen when the cells in the skin called mast cells release histamine, a chemical that causes tiny blood vessels (capillaries) to leak fluid. When this leaking fluid accumulates in the skin, it forms the swellings that we recognize as hives.
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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.
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Intertrigo Causes of Intertrigo. Intertrigo is an inflammatory skin condition that can be caused and worsened by many factors. Sweat, urine, and feces can contribute to the skin problem. You are more likely to get these infections in skin folds because these are areas that are warm and tend to stay moist.
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- Urticaria, commonly called hives, is an inflammation of the surface layers of the skin, and is characterized by small, itchy red or white welts (called wheals). Urticaria is usually caused by an allergic reaction; however, the allergenic trigger is often unknown.
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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.his is by far the most common type. 25% of people with acute urticaria also have angioedema-swelling in the deeper layers of skin. Chronic urticaria or Chronic hives. If symptoms of urticaria continue for more than six weeks it is called chronic urticaria.
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5 Skin Disorders You Might Mistake for Hives It can be easy to mistake hives for other disorders because the allergy triggers can be difficult to find. Another problem with diagnosing hives is that the symptoms are relatively generic -- red, itchy welts on your skin are a common symptom among many skin disorders. Hives can be caused from allergens as well as physical and environmental factors such as stress, heat, sunlight or water.
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- Angioedema is like hives, but with hives there are itchy red welts on the surface of your skin. Angioedema is a deeper swelling. Both hives and angioedema are usually caused by an allergic reaction to either a food or medication. Things like pollen or insect stings can also cause angioedema.In rare cases, it may be a sign of an underlying condition, such as leukemia or Hodgkin's disease. There are two basic types of angioedema:ngioedema is like hives, but with hives there are itchy red welts on the surface of your skin. Angioedema is a deeper swelling. Both hives and angioedema are usually caused by an allergic reaction to either a food or medication. Things like pollen or insect stings can also cause angioedema.
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Hives: Overview Overview Hives: An allergy to a medicine can cause hives. Hives: Overview Also called urticaria. 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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Top 30 Doctor insights on: Welts Welts (Definition) Welts is another description of hive or swelling in the skin. They are pink, raised and with a vague border. The term welts is used more often for larger pinkish swelling in the skin, whereas , hives are often smaller pinkish swellings.
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What Causes Itchy Skin? Hives, or urticaria, are itchy, raised welts that are found on the skin. Hives are often caused by an allergic reaction. Hives, or urticaria, are itchy, raised welts that are found on the skin.
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What are hives (urticaria)? 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. Foods-several different types of foods have been known to trigger urticaria. 2  The most common ones are nuts, chocolate, some citrus fruits, shellfish, food additives, eggs, and wheat products. 3  Infections-including influenza, the common cold, glandular fever and hepatitis B.
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- Urticaria—the scientific name for hives—is an outbreak of red, swollen, and itchy welts that form on the skin. Hives appear suddenly and can appear anywhere on the body, including the face, lips and throat. They typically vary in size, and may join together to form larger welts.
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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.
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Hives: Overview Overview Hives: An allergy to a medicine can cause hives. 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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Dry eyes, Itching or burning, Red (bloodshot) eyes and Sore or burning eyes Long exposure to wind can cause painful skin, red skin, or dry skin. Dust exposure can cause congestion, runny nose, cough, shortness of breath, tightness in the chest, and more. Exposure to smoke can cause coughing, wheezing, shortness of breath, chest tightness, chest pain, and more.
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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.oods such as eggs, nuts and shellfish are common causes of urticaria. Medications such as aspirin and antibiotics (especially penicillin and sulfa) also are common causes of hives. Infections causing hives include the common cold, and other viral infections.
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What Causes Skin Welts? Allergies to food, pollen, or drugs can cause hives to erupt anywhere on the body. Among the most common of skin welts in humans, these conditions usually disappear within 12 hours. If hives last more than six weeks, a case is referred to as chronic hives.
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What Causes Skin Welts? Top 10 facts about the world. Many conditions can cause raised, red skin welts that may or may not itch, including allergies, hives, insect bites, and infection somewhere in the body. The welts, sometimes called skin wheals, usually go away in a few days but can be uncomfortable while on the surface of the skin.
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- 10 most extreme places on Earth. Many conditions can cause raised, red skin welts that may or may not itch, including allergies, hives, insect bites, and infection somewhere in the body. The welts, sometimes called skin wheals, usually go away in a few days but can be uncomfortable while on the surface of the skin.
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- Allergies to eggs may cause skin welts. Hives can appear as part of an allergic reaction. If welts are followed by symptoms of anaphylaxis then emergency medical care is necessary. Welts can appear as an itchy rash.