Hyperpigmentation | Definition and Patient Education
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What causes increased skin pigmentation? 19 possible conditions

Hyperpigmentation is a condition that causes the skin to darken. It can occur in small patches or cover large areas of the body. It can also affect the entire body. Hyperpigmentation is usually not harmful. But it can be a symptom of another medical... Read more

See a list of possible causes in order from the most common to the least.

1

Dermatitis

If you've ever been out hiking in the woods, you probably know to avoid certain plants: poison oak, poison ivy, and poison sumac, for example. They're all off-limits, unless, of course, you want to suffer from ...

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2

Contact Dermatitis

Contact dermatitis is a condition that makes skin red or inflamed after contact with a particular substance. Contact dermatitis is either the result of an allergen or an irritant. Allergic dermatitis usually appear...

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3

Stasis Dermatitis And Ulcers

Find detailed information on stasis dermatitis and ulcers, including causes, symptoms, treatment, and prevention.

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4

Ringworm of the Body (Tinea Corporis)

Ringworm is a contagious skin infection causing a small, itchy, ring-shaped rash. It is not caused by worms but rather a fungus.

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5

Eczema

Eczema is a common skin condition caused by an overactive immune system. It is marked by itchy and inflamed patches of skin.

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6

Tinea Versicolor

Tinea versicolor is a condition characterized by lighter or darker patches of skin. It's caused by a fungus on your skin that grows out of control.

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7

Addison’s Disease

Addison's disease occurs when the adrenal cortex is damaged and the adrenal glands do not produce enough of the steroid hormones cortisol and aldosterone.

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8

Cushing Syndrome

Cushing syndrome is when your body has abnormally high levels of a hormone called cortisol. This can occur due to overuse of corticosteroid medication, malnutrition, alcoholism, or other factors.

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9

Addisonian Crisis (Acute Adrenal Crisis)

This condition is considered a medical emergency. Urgent care may be required.

An Addisonian crisis occurs when levels of cortisol suddenly drop. Learn more about an Addisonian crisis, including symptoms, risk factors, and treatment.

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10

Jock Itch

Jock itch is a fungal infection that commonly affects the area around the groin. Learn about jock itch symptoms, causes, treatment, and prevention.

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11

Alcoholic Liver Disease

Damage to the liver from excessive drinking can lead to ALD. Years of alcohol abuse cause the liver to become inflamed and swollen. This damage can also cause scarring known as cirrhosis. Cirrhosis is the final stage o...

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12

Acanthosis Nigricans

Acanthosis nigricans is a fairly common skin pigmentation disorder, usually notable for dark patches of skin with a thick, velvety texture.

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13

Melasma

Melasma causes patches of dark discoloration on your skin. Find out treatment options.

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14

Medullary Cystic Disease

Medullary cystic kidney disease (MCKD) is a rare condition in which small, fluid-filled sacs called cysts form in the center of the kidneys. These cysts scar the kidneys and cause them to malfunction. In order t...

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15

Ichthyosis Vulgaris

Ichthyosis vulgaris, also known as "fish scale disease," is a generally genetic skin disease that causes dry, dead skin cells to accumulate in patches on the skin.

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16

End-Stage Kidney Disease

In end-stage kidney disease, also known as end-stage renal disease (ESRD), the kidneys are functioning below 10 percent of their normal function.

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17

Chronic Kidney Disease

Chronic kidney disease (CKD) is the progressive and irreversible destruction of the kidneys. The most common causes of CKD are high blood pressure and diabetes.

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18

Glomerulonephritis

Glomerulonephritis is a serious illness that can be life-threatening and requires immediate treatment. The condition is sometimes called nephritis.

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19

Adrenoleukodystrophy

Adrenoleukodystrophy refers to several conditions that affect the nervous system and adrenal glands.

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This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.
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