What is cerises skin disorder

Remission periods last for an average of 1—12 months at a time. According to the National Psoriasis Foundation :. Plaques can develop anywhere, but they commonly occur as small patches on the elbows, knees, lower back, and scalp. There are several forms of psoriasis. The sections below will look at some of these in more detail. On light skin, this usually shows as raised, inflamed, red lesions that are covered by silvery-white scales.

On dark skin, it presents as purple or dark brown patches with gray scales. Inverse psoriasis is a variant of psoriasis that develops in skin folds.

It commonly affects :. Inverse psoriasis typically produces lesions without the scales that occur in plaque psoriasis. The lesions might be smooth and shiny. Irritation from rubbing and sweating can make this type of psoriasis worse due to its location in skin folds and tender areas. It is more common among people who are overweight and those with deep skin folds.

Erythrodermic psoriasis is a type of psoriasis that can cause large areas of inflammation across the body. In addition to severe inflammation, a person with erythrodermic psoriasis may experience severe itching, pain, and large-scale skin shedding. This interference may cause protein and fluid loss that can lead to the person developing severe complications such as pneumonia and congestive heart failure.

Edema , or swelling from fluid retention , may also occur, especially around the ankles. The body may also have difficulty regulating its temperature, which can cause shivering.

The complications of erythrodermic psoriasis can be dangerous. Anyone with any symptoms of this condition should contact a doctor right away. A person with erythrodermic psoriasis may need to spend time in the hospital if the symptoms are severe.

Guttate psoriasis is more common in children and adolescents than adults. It appears as small, individual spots on the skin. The spots are not usually as thick or as crusty as the lesions in plaque psoriasis. Guttate psoriasis may resolve without treatment and never return. However, it may clear up and reappear later as patches of plaque psoriasis. Pustular psoriasis is a rare form of psoriasis that appears as white pustules, or blisters of pus , surrounded by inflamed skin.

It can affect specific areas of the body, such as the hands and feet, or present more generally. It is not an infection, and it is not contagious. Pustular psoriasis tends to have a cycle in which the formation of pustules and scaling follows the discoloration of the skin.

Other health problems may develop as a result of psoriasis. Although some people think of it as a skin condition, psoriasis can also affect the bones, muscles, and metabolic system. Collectively, this is known as psoriatic arthritis. This type of psoriasis causes progressive damage to the joints. It is most common in people aged 30—50 years. Learn more about the symptoms of psoriatic arthritis here. People with psoriasis may experience social exclusion, self-image issues, and low self-esteem. Together with the physical discomfort, itching, and pain of psoriasis, these additional complications can affect their overall quality of life.

The social and physical demands of this chronic condition may also contribute to depression and anxiety. Psoriasis might also lead to a higher risk of cardiovascular disease, metabolic syndrome, diabetes , and some types of cancer , including lung and non-melanoma skin cancer. Although the cause of psoriasis is still unclear, scientists believe that it is an autoimmune condition. Autoimmune conditions affect the immune system, which produces T cells to protect the body against infectious agents.

In people with psoriasis, triggers can lead to their genes instructing the immune system to target the wrong cells. T cells respond to a trigger as if they are fighting an infection or healing a wound.

They produce chemicals that cause inflammation. In psoriasis, this autoimmune activity leads to the excessive growth of skin cells. Typically, skin cells take about 1 month to replace themselves. However, in people with psoriasis, they take around 3—4 days to do this. Triggers will be different in each individual with psoriasis, but some common triggers include:. Importantly, psoriasis is not contagious. Knowing and remembering this can help people with the condition cope with the parts of socializing that they may find difficult.

Both external and internal factors can increase the risk of a person developing psoriasis. Genetics can play an important role in the formation of psoriasis. Studies have found more than 60 genetic markers linked to Th17 cell activation, which is a key component of inflammation in psoriasis. Having acne can feel devastating for a teenager. Here are 5 things you can do to help your teen. Find out what helps. If your child develops scabies, everyone in your household will need treatment.

Follow this advice to treat everyone safely and effectively. We're helping you achieve YourHealthiestSkin from head to toe. Use these tips from dermatologists to keep all your skin looking and feeling its best. AAD Shade Structures provide permanent outdoor shade in areas that are not protected from the sun.

When it comes to treating the skin, plenty of people say they have expertise. Only a board-certified dermatologist has these credentials. Dry, thick, and raised patches on the skin are the most common sign of psoriasis. These patches are often covered with a silvery-white coating called scale, and they tend to itch.

While patches of thickened, dry skin are common, psoriasis can cause many signs and symptoms. What you see and feel tends to vary with the:. The following pictures show what each type psoriasis can look like on the skin.

When plaque psoriasis appears, you may see:. Plaques usually form on the scalp, elbows, knees, or lower back, but they can develop anywhere on the skin. Scratching can cause the patches to thicken. To stop the itch, dermatologists recommend treating the psoriasis. Guttate psoriasis When someone gets this type of psoriasis, you often see tiny bumps appear on the skin quite suddenly. The bumps tend to cover much of the torso, legs, and arms.

Sometimes, the bumps also develop on the face, scalp, and ears. No matter where they appear, the bumps tend to be:. When guttate psoriasis clears, it may never return. Why this happens is still a bit of a mystery. Inverse psoriasis This type of psoriasis develops in areas where skin touches skin, such as the armpits, genitals, and crease of the buttocks. Pustular psoriasis This type of psoriasis causes pus-filled bumps that usually appear only on the feet and hands.

While the pus-filled bumps may look like an infection, the skin is not infected. Psoriasis causes patches of thick red skin and silvery scales. Patches are typically found on the elbows, knees, scalp, lower back, face, palms, and soles of feet, but can affect other places fingernails, toenails, and mouth. The most common type of psoriasis is called plaque psoriasis. It is different from more common types of arthritis such as osteoarthritis or rheumatoid arthritis and is thought to be related to the underlying problem of psoriasis.

Psoriasis and psoriatic arthritis are sometimes considered together as psoriatic disease. Psoriasis Frequently Asked Questions. Who is at risk for psoriasis? Can I get psoriasis from someone who has it? What causes psoriasis? More Information About Psoriasis. More Information About Psoriatic Arthritis. Links with this icon indicate that you are leaving the CDC website.