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  1. What Are the Causes of an Unexplained Rash? (with pictures)

    www.wisegeek.com/what-are-the-causes-of-an...

    Oct 10, 2020 · Some causes of an unexplained rash are an allergic reaction, abrasive clothing, and chronic fatigue syndrome. An allergic reaction is an especially common cause of unexplained rashes, but the patient often never finds out what he or she came into contact with that triggered the reaction. Chronic fatigue syndrome is a rarer cause, but researchers are unsure how rare due to how poorly understood the condition is and how many people go undiagnosed worldwide.

    • Flea bites. usually located in clusters on the lower legs and feet. itchy, red bump surrounded by a red halo. symptoms begin immediately after being bitten.
    • Fifth disease. headache, fatigue, low fever, sore throat, runny nose, diarrhea, and nausea. children are more likely than adults to experience a rash.
    • Rosacea. chronic skin disease that goes through cycles of fading and relapse. relapses may be triggered by spicy foods, alcoholic beverages, sunlight, stress, and the intestinal bacteria Helicobacter pylori.
    • Impetigo. common in babies and children. often located in the area around the mouth, chin, and nose. irritating rash and fluid-filled blisters that pop easily and form a honey-colored crust.
  2. 5 Life-Threatening Skin Rashes & Their Symptoms

    www.webmd.com/.../life-threatening-skin-rashes

    Five potentially life-threatening disorders that have skin rash as the primary symptom are: Pemphigus vulgaris (PV) Stevens-Johnson syndrome (SJS) Toxic epidermal necrolysis (TEN) Toxic shock ...

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  4. Skin rash: Causes, 68 pictures of symptoms, and treatments

    www.medicalnewstoday.com/articles/317999
    • Bites and stings. Many insects can cause a rash through a bite or sting. Although the reaction will vary depending on the person and the animal, symptoms often include
    • Flea bites. Fleas are tiny jumping insects that can live in fabrics within the home. They have a very fast breeding cycle and can take over a home very rapidly.
    • Fifth disease. Also known as erythema infectiosum and slapped cheek syndrome, fifth disease is caused by the parvovirus B19. One of the symptoms is a rash, which appears in three stages
    • Impetigo. Impetigo is a highly contagious skin infection that most commonly affects children. The first sign is normally a patch of red, itchy skin.
  5. Common rashes include COVID-19 rash, eczema, poison ivy, hives, and athlete's foot. Infections that cause rashes may be fungal, bacterial, parasitic, or viral. Over-the-counter products may be helpful treatments for many skin rashes. Rashes lasting more than a few days that are unexplained should be evaluated by a doctor.

  6. Life-Threatening Skin Rashes: Symptoms, Types, Itching & Facts

    www.emedicinehealth.com/life-threatening_skin...

    Aug 11, 2020 · Necrotizing fasciitis is a bacterial infection most often localized to an extremity and is due to the extremely rapid penetration of the infection into the deeper tissues and the bloodstream. The rash is a nonspecific term that refers to any visible inflammation of the skin. Most rashes are not dangerous and are self-limited.

  7. Itchy skin (pruritus) - Symptoms and causes - Mayo Clinic

    www.mayoclinic.org/.../symptoms-causes/syc-20355006
    • Overview
    • Symptoms
    • Causes
    • Complications

    Itchy skin is an uncomfortable, irritating sensation that makes you want to scratch. Also known as pruritus (proo-RIE-tus), itchy skin can be caused or worsened by dry skin. It's common in older adults, as skin tends to become drier with age.Depending on the cause of your itchy skin, it may appear normal, red, rough or bumpy. Repeated scratching can cause raised thick areas of skin that might bleed or become infected.Many people find relief with self-care measures such as moisturizing daily,...

    You may have itchy skin over certain small areas, such as on an arm or leg, or over your whole body. Itchy skin can occur without any other noticeable changes on the skin. Or it may be associated with: 1. Redness 2. Bumps, spots or blisters 3. Dry, cracked skin 4. Leathery or scaly skinSometimes itchiness lasts a long time and can be intense. As you rub or scratch the area, it gets itchier. And the more it itches, the more you scratch. Breaking this itch-scratch cycle can be difficult.

    Causes of itchy skin include: 1. Skin conditions. Many skin conditions itch, including dry skin (xerosis), eczema (dermatitis), psoriasis, scabies, burns, scars, insect bites and hives. 2. Internal diseases. Itchy skin can be a symptom of an underlying illness. These include liver disease, kidney failure, iron deficiency anemia, thyroid problems and certain cancers, including multiple myeloma and lymphoma. 3. Nerve disorders. Conditions that affect the nervous system — such as multiple sclero...

    Itchy skin that lasts more than six weeks (chronic pruritus) can affect the quality of your life, for example, by interrupting your sleep and causing anxiety or depression. Prolonged itching and scratching may increase the intensity of the itch, possibly leading to skin injury, infection and scarring.

  8. Slide show: Common skin rashes - Mayo Clinic

    www.mayoclinic.org/skin-rash/sls-20077087

    Sep 28, 2019 · Skin rashes can occur from a variety of factors, including infections, heat, allergens, immune system disorders and medications. One of the most common skin disorders that causes a rash is atopic dermatitis (ay-TOP-ik dur-muh-TI-tis), also known as eczema. Atopic dermatitis is an ongoing (chronic) condition that makes skin red and itchy.

  9. Itchy Skin & Itching: 22 Possible Causes You Feel Itchy All Over

    www.webmd.com/skin-problems-and-treatments/guide/...

    If you start scratching and find a rash, it’s likely the problem is in your skin. It can happen because of: Fungal and bacterial infections like impetigo and folliculitis. See a photo of what...

  10. Itching without a rash: 8 possible causes and treatments

    www.medicalnewstoday.com/articles/325706
    • Rachel Nall, MSN, CRNA
    • Dry skin. Share on Pinterest. When skin loses moisture, it can become itchy. Dry skin, or xerosis, is a very common complaint. The skin can start to feel itchy when it loses moisture.
    • Bug bites. Mosquito, spider, and other bug bites can make skin around the bite feel itchy and irritated. Bug bites can leave behind a very small hole or pinprick-like area.
    • A side effect of certain medications. Share on Pinterest. Itching skin can be a side effect of some medications. Itchy skin is a common side effect of many medications.
    • Nerve disorders. Nerves relay messages from the skin to the brain. Problems with the nerves can cause itchiness or pain on the skin without causing any actual damage to it.