What is Psoriasis?

Psoriasis is a chronic autoimmune disease that results in a rapid buildup of skin cells. This rapid accumulation leads to a flaking-like appearance on the skin surface.

Redness and inflammation around the scales are quite common. Typical psoriasis sores are white-gray scales that rise above a red raised tissue. In some cases, these flakes form cracks and can cause bleeding.

Psoriasis is basically caused by the acceleration of the skin’s self-protection cycle. Normally, skin cells grow deep into the skin. They slowly rise to the surface. They shed after completing their lifespan. This is the cycle that skin cells go through each month.

In people with psoriasis, this process is completed in a few days. Skin cells do not have time to shed. As a result of this rapid regeneration, skin cells begin to overlap. These sores typically occur on joints such as the elbows and knees, but

  • Hand

  • Foot

  • Neck

  • scalp

  • It can also be seen on parts such as the face.

Psoriasis may rarely involve the nails, mouth and genitals. According to studies, patients with psoriasis also experience some common ailments. Among them

  • type 2 diabetes

  • Inflammatory bowel diseases

  • heart ailments

  • psoriatic arthritis

  • Anxiety

  • There is depression.

What are the types of psoriasis?

There are 5 types of psoriasis in total.

plaque psoriasis

It is the most common form of psoriasis. Red lesions with raised, pus-filled white-gray pearlescent scales are found on certain areas of the skin. These lesions are mostly found on the elbows, knees, and scalp.

guttate psoriasis

Gutate type psoriasis is more common in childhood. It has lesions in the form of small pink dots. Lesions of guttate psoriasis usually appear on the thorax, forearms, and thighs. These tiny dots are a reduced or thickened version of the lesions in plaque psoriasis.

pustular psoriasis

It is generally seen in adults. White, non-inflamed, fluid-filled white bubbles appear in the middle of the reddened skin areas. It is usually found in small parts of the body. It is most common on the hands and feet, but can spread throughout the body.

Inverse psoriasis

It mostly occurs in areas of skin folds. It is seen in the genital area, under the breast, armpits and groin. They are bright and red colored lesions with smooth borders.

erythrodermic psoriasis

Erythrodermic psoriasis is a serious and extremely rare type.

In this type of psoriasis, it affects very large areas of the body at the same time. The skin is completely sunburned. Scales develop widely. Individuals with erythrodermic type psoriasis are at risk for serious infections. It’s a deadly type. It needs to be treated quickly.

What are the symptoms of psoriasis?

Although the symptoms of psoriasis vary from person to person, it also depends on the type of psoriasis. The size of the areas affected by psoriasis can vary from a pinhead to a size that covers the entire body. The most common symptoms of plaque psoriasis

  • Red, raised, inflamed skin areas

  • White-grayish spots above these areas

  • Cracks and bleeding on dry skin

  • pain around the lesions

  • Itching and burning sensation

  • painful joints

Not all psoriasis patients have these symptoms. Patients give symptoms according to the type of psoriasis they have.

People with psoriasis go through their symptoms in cycles. In other words, there are periods when the disease flares up and the symptoms decrease. The periods of exacerbation depend on the presence of triggering factors.

Psoriasis is not contagious. It is not transmitted from person to person by skin contact. However, most people think that psoriasis is contagious. Educating people on this issue has an important place in the fight against the disease.

What causes psoriasis?

Doctors have no knowledge of why psoriasis develops. However, according to research, genetics and the immune system play an important role in the formation of the disease.

immune system

Psoriasis is an autoimmune condition. In other words, the body attacks its own cells. T cells mistakenly attack skin cells, causing psoriasis.

Normally, T cells are differentiated to fight bacteria and other infections. However, in people with psoriasis, excessive production and scaling occur as a result of these cells attacking the skin cells incorrectly.


Some people are genetically more predisposed to psoriasis. For example, the risk is increased 2.5-3 times for individuals with psoriasis in their family.

How is psoriasis diagnosed?

The diagnosis of psoriasis can be made as a result of the examination of the lesions present in the physical examination. All lesions in the body should be examined during the examination.

If the diagnosis cannot be made from the lesion or if the diagnosis is desired to be confirmed, a skin biopsy can be performed. A skin biopsy is a small procedure performed by applying topical anesthetic. You don’t need to worry. Just follow your doctor’s recommendations.

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