what does it mean when you scratch and bumps appear?
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When people who have dermatographia lightly scratch their skin, the scratches redden into a raised wheal similar to hives. These marks usually disappear within 30 minutes. The cause of dermatographia is unknown, but it can be triggered in some people by infections, emotional upset or medications such as penicillin.
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Occasionally, red bumps on your legs are the sign of a more serious condition. Red bumps can be caused by allergies, insect bites, and certain skin conditions. The sources of bumps and rashes often vary by age and health condition.
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Bumps on your scalp can be a symptom of a few different health conditions. Most of the time, these bumps indicate an allergic reaction or clogged hair follicles, neither of which is usually a cause for concern.
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An itch is a skin irritation that causes the desire to scratch. Scratch describes the action used to relieve an itch. The grammatically correct construction is “to scratch an itch.” People often use itch and scratch in place of each other in everyday speech.
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Rough bumpy skin can affect men and women of all ages and may be the result of excessive dryness1 or a skin condition such as eczema2, psoriasis3or diabetes.
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In this Article Eczema is a condition that makes your skin turn red, scaly, and itchy. Your doctor might call it dermatitis. It can show up in several places on your body, and different types can cause different symptoms. If you have it on your face, it can cause red patches, small bumps, and flaking skin.
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Infections, tumors, and the body's response to trauma or injury can all lead to lumps or bumps that appear to be located on or underneath the skin. Depending upon the cause, skin lumps or bumps may vary in size and be firm or soft to the touch. The overlying skin may be reddened or ulcerated.
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Small red spots (petechiae) As well as medium-to-large bruises, you might notice “rashes” appearing on your skin. Small, pinhead-sized red spots on the skin (called “petechiae”) may be a sign of leukaemia. These small red spots are actually very small bruises that cluster so that they look like a rash.
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Takeaway. Scratches on your face, hands, or body when you wake up are usually caused by scratching yourself while asleep. You may have a skin condition that's causing intense itchiness at night, or you may have dermatographia which causes even very light scratches to produce red marks.
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Overview of raised skin bumps Raised skin bumps are very common, and in most cases they're harmless. They can result from a number of conditions, including infections, allergic reactions, skin disorders, and skin cancer. Skin bumps can vary in appearance and number depending on the cause.
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Different skin conditions can cause one or multiple back bumps. The most common causes of a bump on the back include skin abscess, cysts, warts, or a back pimple. Other causes for lump on the back can arise from lipoma or non cancerous cell growth.
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Its symptoms are dry red skin lesions, known as plaques, covered in silver scales. They normally appear on your elbows, knees, scalp and lower back, but can appear anywhere on your body. The plaques can be itchy or sore, or both. In severe cases, the skin around your joints may crack and bleed.
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Generalized or Von Zumbusch: Red, painful, tender skin blotches show up over a wide area of your body, and pus-filled blisters pop up soon after. Your skin may be very itchy. You also might be very tired or have fever, chills, dehydration, nausea, weak muscles, headache, joint pain, a fast pulse, or weight loss.
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Slightly painful or sensitive bumps are usually caused by razor burn or ingrown hairs. But if you're experiencing other symptoms — like body aches, fever, and headache — these bumps may be the result of genital herpes.
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Keratosis pilaris (ker-uh-TOE-sis pih-LAIR-is) is a common, harmless skin condition that causes dry, rough patches and tiny bumps, usually on the upper arms, thighs, cheeks or buttocks. The bumps generally don't hurt or itch.
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Cuts and scratches are areas of damage on the surface of the skin. A cut is a line of damage that can go through the skin and into the muscle tissues below, whereas a scratch is surface damage that does not penetrate the lower tissues. Cuts and scratches may bleed or turn red, become infected, and leave scars.
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Keratosis pilaris. Keratosis pilaris causes small bumps to appear on the upper arms, legs or buttocks. They usually don't hurt or itch. Keratosis pilaris (ker-uh-TOE-sis pih-LAIR-is) is a common, harmless skin condition that causes dry, rough patches and tiny bumps, usually on the upper arms, thighs, cheeks or buttocks ...