The document provides descriptions of over 40 common skin disorders, including skin cancer, lupus, measles, acne, cold sores, psoriasis, rosacea, eczema, hives, and vitiligo. Each disorder is briefly defined, and the reader is directed to "Learn more" about each one. The document serves as a high-level overview of many prevalent skin conditions that people may experience.

1. Common Skin Disorders
Skin Cancer
Skin cancer is the uncontrolled growth of cancer cells in the skin Learn about basal cell
carcinoma, squamos cell carcinoma, melanoma and kaposi's sarcoma.
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Lupus
In the case of a disease like lupus, the immune system mistakenly attacks the body and damages
healthy tissues and organs.
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Rubeola (Measles)
People who catch the measles develop symptoms like a fever, cough, runny nose, and the telltale
rash that is the hallmark of the disease.
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Acne
Acne is a skin condition that causes whiteheads, blackheads, and inflamed red lesions (papules,
pustules, and cysts) to form. These growths are commonly called pimples or "zits."
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2. Hemangioma of Skin
A hemangioma is an abnormal buildup of blood vessels in the skin or internal organs.
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Cold Sore
Cold sores are red, fluid-filled blisters that appear near the mouth or on other areas of the face
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Psoriasis
Psoriasis is a noncontagious chronic skin condition characterized by scaly patches of skin.
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Rosacea
Rosacea is a chronic skin condition involving inflammation of the cheeks, nose, chin, forehead,
or eyelids.
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3. Seborrheic Eczema
Seborrheic dermatitis is a common, inflammatory skin condition that causes flaky, white to
yellowish scales to form on oily areas such as the scalp or inside the ear.
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Hives
Hives are raised, often itchy, red welts on the surface of the skin. They are usually an allergic
reaction to food or medicine.
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Vitiligo
Vitiligo is a skin condition in which there is loss of pigment (color) from areas of skin, resulting
in irregular white patches that feel like normal skin.
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Warts
Warts - we all get them and we all find them embarrassing, ugly and inconvenient.
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4. Necrotizing Fasciitis
Necrotizing soft tissue infection is a rare but very severe type of bacterial infection that can
destroy the muscles, skin, and underlying tissue.
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Cutaneous Candidiasis
Cutaneous candidiasis is infection of the skin with candida fungus.
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Carbuncle
A carbuncle is a skin infection that often involves a group of hair follicles. The infected material
forms a lump, called mass, which occurs deep in the skin.
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Cellulitis
Cellulitis is a common skin infection caused by bacteria, most commonly staph or strep bacteria.
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5. Hypohidrosis
Hypohidrosis is an abnormal lack of sweat in response to heat that may be harmful, because
sweating allows heat to be released from the body.
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Impetigo
Impetigo is a common skin infection caused by strep or staph bacteria, or MRSA.
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Cutis Laxa
Cutis laxa (Latin for loose or lax skin) is a connective tissue disorder in which the skin lacks
elasticity and hangs in loose folds.
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Decubitus Ulcer
A decubitus (or "pressure") ulcer is an area of skin that breaks down when you stay in one
position for too long without shifting your weight.
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6. Erysipelas
Erysipelas is a type of skin infection usually caused by group A Streptococcus bacteria.
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Diaper Rash
Dermatitis of the buttocks, genitals, lower abdomen, or thigh folds of an infant or toddler is
called diaper rash.
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Dyshidrotic Eczema
Dyshidrotic eczema, or dyshidrosis, is a skin condition in which blisters develop on the soles of
your feet and/or the palms of your hands.
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Canker Sore
A canker sore (aphthous ulcer) is a mouth ulcer or sore that is open and painful. They are the
most common type of mouth ulcer.
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7. Herpes Stomatitis
Herpetic stomatitis is a viral infection of the mouth that causes ulcers and inflammation.
These mouth ulcers are not the same as canker sores, which are caused by a different virus.
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Fungal Nail Infection
Fungal nail infection is an infection of the nails by a fungus.
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Ichthyosis Vulgaris
Ichthyosis vulgaris is a common skin disorder passed down through families that leads to dry,
scaly skin.
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Dermatomyositis
Dermatomyositis is a muscle disease characterized by inflammation and a skin rash. It is a type
of inflammatory myopathy.
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8. Molluscum Contagiosum
Molluscum contagiosum is a viral skin infection that causes raised, pearllike papulesor nodules on the skin.
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Ingrown Nails
An ingrown toenail occurs when the edge of the nail grows down and into the skin of the toe.
There may be pain, redness, and swelling around the nail.
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Acrodermatitis
Acrodermatitis is a childhood skin condition that may be accompanied by mild symptoms
of fever and malaise.
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Sebaceous Cyst
A sebaceous cyst is a closed sac under the skin filled with a cheese-like or oily material.
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9. Seborrheic Keratosis
Seborrheic keratosis is noncancerous (benign) wart-like growths on the surface of the skin.
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Pilonidal Sinus
A pilonidal cyst is a small pit, or dimpled area, that can occur anywhere along the crease
between the buttocks (sacral area).
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Keloid
Keloids are the excess growth of scar tissue at the site of a healed skin injury.
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Lichen Planus
Lichen planus is a disease in which there is an itchy, swollen rash on the skin or in the mouth.
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10. Actinic Keratosis
Actinic keratosis is a very common skin condition. It occurs when skin cells called keratinocytes
start to grow abnormally, forming scaly discolored spots.
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Stasis Dermatitis and Leg Ulcers
Stasis dermatitis is a skin condition due to the buildup of fluid (swelling) under the skin.
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Corns and Calluses
Corns and calluses are thickened layers of skin caused by repeated pressure or friction.
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Eczema
Eczema is a common skin condition characterized by itchy and inflamed patches of skin.
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11. Tinea Versicolor
Tinea versicolor is a long-term (chronic) fungal infection of the skin.
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Pemphigoid
Bullous pemphigoid is a skin disorder characterized by large blisters.
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Mouth Ulcers
Mouth ulcers are a common condition where open sores appear inside the mouth or on the lips.
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Shingles
Shingles (herpes zoster) occurs when the dormant chickenpox virus (varicella-zoster) is
reactivated in your nerve tissues, causing a blistering rash.
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