Foot and Leg Discoloration

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Foot and leg discoloration can be caused by a variety of ailments. These include skin infections, peripheral vascular disease, Schamberg's Disease and diabetes. The seriousness of the foot and leg discoloration ranges based on the cause.

The shade of discoloration depends upon the cause.
The shade of discoloration depends upon the cause. (Image: Visage/Stockbyte/Getty Images)

Skin Infections

Infections of the skin commonly cause foot and leg discoloration, and one of the most common is cellulitis. Staph and strep strains of bacteria cause cellulitis when bacteria enter broken skin through cuts, scrapes, bites or other similar injury. The infected skin turns into blotchy patches of red or darker shades resembling a bruise. Cellulitis is treated with antibiotics, but the discoloration may linger after the treatment. The discoloration can be treated with topical bleaching agents.

Cellulitis is treated with antibiotics
Cellulitis is treated with antibiotics (Image: John Foxx/Stockbyte/Getty Images)

Peripheral Vascular Disease

Peripheral vascular disease (PVD) encompasses a variety of separate conditions affecting the veins and/or arteries in the extremities. The legs and feet are often affected. Discoloration comes in the form of shiny, brittle skin, as well as reddish-blue areas. Bruising and the accompanying discoloration is common with PVD, as is gangrene. Risk factors for developing PVD include obesity, family history and smoking. Treatment involves identifying any underlying cause and prescribing prescriptions for better blood flow.

Legs and feet are often affected by PVD
Legs and feet are often affected by PVD (Image: Visage/Stockbyte/Getty Images)

Schamberg's Disease

Patients with Schamberg's Disease have a chronic condition in which blood-vessel walls leak red blood cells into the skin.The cells' presence causes the development of orange and brown irregular splotches that frequently expand over time. The exact cause of Schamberg's Disease is unknown, and there is no cure, but any secondary itching can be treated with cortisone cream.

Red blood cells
Red blood cells (Image: Comstock Images/Comstock/Getty Images)

Diabetes

Diabetics can experience a number of skin discoloration in the legs and feet. These discolorations are symptoms of greater problems and indicate impeded blood flow or insulin rejection. Discoloration in these instances is usually a dark brown or tan color. Gangrene is a more serious discoloration issue common to diabetics, and is caused by the death of tissue. The color progression of gangrene begins red, proceeds to brown and ends up black. In addition to discoloration, the affected areas will be numb and cool to the touch. Treatment of gangrene depends on the stage it is discovered; amputation is usually only necessary for the final stages.

Diabetics are affected
Diabetics are affected (Image: Creatas Images/Creatas/Getty Images)

Warning

With the exception of Schamberg's Disease, these conditions can be fatal if left untreated. Sudden discoloration in the extremities is a symptom that should be taken seriously. Seek medical supervision immediately if discoloration occurs.

Seek medical attention
Seek medical attention (Image: Jupiterimages/Comstock/Getty Images)

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