What is Psoriasis?
Psoriasis is a skin condition caused by faster-than-normal turnover of skin cells. Normally, new skin cells rise to the surface of the skin once a month; the old surface skin cells die and slough off while the new cells are moving to the surface. In people who have psoriasis, the new cells move to the surface so rapidly that the dead cells build up on the surface in dry, whitish-silver patches.
Some people have mild cases of psoriasis. Others have extensive cases that affect multiple parts of the body.
Psoriasis is an autoimmune disease and seems to run in families. Psoriasis tends to be more severe in people with weakened immune systems, including those with AIDS and those undergoing treatment for cancer. Stress also seems to make psoriasis worse.
People with psoriasis typically have areas of thick, reddened skin with dry, whitish-silver patches. The dry patches are called psoriatic plaques. The skin may feel itchy.
Psoriasis is most commonly found on the elbows, knees, and bottoms of the feet. It can also affect the fingernails, toenails, and joints of the body.
Keep the skin well-moisturized to maintain skin health and ease the discomfort of psoriasis. Oatmeal baths can soothe the skin. Hypoallergenic moisturizer, applied on a regular basis, also helps.
Phototherapy, or light therapy—which involves exposing the skin to UV-B light—may be helpful as well. Some people use UV-B lights at home under a doctor’s direction. Other patients carefully time their exposure to sunlight. Talk to your doctor to see if phototherapy may be helpful for you.
When to Seek Help From a Podiatrist
If you have psoriasis on your feet, it is important to see a podiatrist. Dr. Tatiana DeLaurentiis can help determine the cause of reddened, itchy feet. (Psoriasis can mimic severe athlete’s foot or contact dermatitis.) If you have red, irritated feet that haven’t responded to home or medical treatment, see a podiatrist.
Call Dr. Tatiana DeLaurentiis for Psoriasis Treatment
Dr. DeLaurentiis will carefully examine your feet and take a thorough medical history. She may also take a tiny sample (biopsy) of the affected area to confirm a diagnosis of psoriasis.
Treatment depends on the severity of the disease. Mild cases of psoriasis can be treated with topical steroid creams, applied directly to the area. More severe cases of psoriasis may need systemic (whole body) treatment. Drugs that depress the immune system, including methotrexate and cyclosporine, help some people with psoriasis. Certain biologic drugs, including Humera® and Enbrel®, are also useful for psoriasis. If you have severe psoriasis, you may work with a variety of medical specialists to get your psoriasis under control.
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