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Itchy Dark Patches on the Skin

Itchy Dark Patches on the Skin Itchy Dark Patches on the Skin Itchy Dark Patches on the Skin

Overview

According to MayoClinic.com, itchy skin can be caused by hundreds of factors. You can narrow down possible causes of skin irritation by the accompanying symptoms or the look of the skin. Talk with your doctor before attempting any treatment or remedy, especially if it involves medication.

Skin Problems or Rashes

Rashes and skin conditions often manifest themselves through patches of irritated, discolored skin or bumps and blisters that leave you scratching. Some of these might include measles or chicken pox, hives, dermatitis or psoriasis.

Internal Diseases

The Mayo Clinic says that some internal diseases can cause patches of itchy skin, though most cause the entire body to become itchy. Some of these diseases include lymphomas, liver disease, celiac disease or kidney disorders. Diseases such as diabetes can cause boils and skin infections that lead to itchy blisters and rashes, according to the American Diabetes Association. If you have an underlying condition, speak with your doctor to determine if it could be causing your skin irritation.

Skin Allergies

Skin allergies may also cause itchy patches of skin. A skin allergy may manifest itself through red rashes, scaly skin, swollen skin, dry and flaking or inflamed and blistered skin. As with the other causes of skin conditions, an allergy can be caused by hundreds of factors. Speak with an allergist or immunologist to determine whether you are suffering from a skin allergy. Allergies are easily treatable and preventable.

Melanoma

One of the more serious conditions that could be causing your skin irritation is melanoma. Melanoma, according to health website Family Doctor, is an aggressive form of skin cancer that can spread into other areas of the body. Males may find melanomas on the back, shoulders and stomach while women often get spots on their legs. A melanoma will look like a misshapen dark patch, such as a mole, bump or growth. The edges of a melanoma are blurry or rough. The affected skin can be colorful or suddenly lose its color, may be raised above the other surrounding skin, may bleed, itch, grow and often will feel scaly or crusty. Talk with your doctor immediately if you think you might have melanoma.

Treatments

The Mayo Clinic says that, depending on your diagnosis, your doctor may prescribe oral antihistamines or topical ointments to ease your itching. Medicated cream may be applied over the rash or itchy area by use of a wet dressing. Light therapy is another method of treatment for itchy skin that involves shining ultraviolet light onto the affected skin. Multiple visits are often needed for this process to be effective. If internal disease, such as diabetes, is causing your skin condition, treating that condition itself may calm your skin.

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