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Psoriasis Symptoms and causes

Everything You Need to Know About Psoriasis

What is Psoriasis?

What is Psoriasis?


Psoriasis is a skin disease that causes red, itchy scaly patches, most commonly on the knees, elbows, trunk, and scalp.

Psoriasis is a common, long-term (chronic) disease with no cure. It tends to go through cycles, flaring for a few weeks or months, then subsiding for a while or going into remission. Treatments are available to help you manage symptoms. And you can incorporate lifestyle habits and coping strategies to help you live better with psoriasis.

Types Of Psoriasis.

  • Plaque psoriasis
  • Guttate psoriasis
  • Scalp psoriasis 
  • Inverse psoriasis 
  • Nail psoriasis 
  • Pustular psoriasis 
  • Erythrodermic psoriasis 

Symptoms of Psoriasis.


Psoriasis signs and symptoms can vary from person to person. Common signs and symptoms include:
  • Red patches of skin covered with thick, silvery scales
  • Small scaling spots (commonly seen in children)
  • Dry, cracked skin that may bleed or itch
  • Itching, burning, or soreness
  • Thickened, pitted, or ridged nails
  • Swollen and stiff joints

Psoriasis patches can range from a few spots of dandruff-like scaling to major eruptions that cover large areas. The most commonly affected areas are the lower back, elbows, knees, legs, soles of the feet, scalp, face, and palms.

Most types of psoriasis go through cycles, flaring for a few weeks or months, then subsiding for a time or even going into remission.

There are several types of psoriasis, including:


Plaque psoriasis:- The most common form, plaque psoriasis causes dry, raised, red skin patches (lesions) covered with silvery scales. The plaques might be itchy or tender, and there may be few or many. They usually appear on elbows, knees, lower back, and scalp.

Nail psoriasis:- Psoriasis can affect fingernails and toenails, causing pitting, abnormal nail growth, and discoloration. Psoriatic nails might loosen and separate from the nail bed (onycholysis). Severe cases may cause the nail to crumble.

Guttate psoriasis:- This type primarily affects young adults and children. It's usually triggered by a bacterial infection such as strep throat. It's marked by small, drop-shaped, scaling lesions on the trunk, arms, or legs.

Inverse psoriasis:- This mainly affects the skin folds of the groin, buttocks, and breasts. Inverse psoriasis causes smooth patches of red skin that worsen with friction and sweating. Fungal infections may trigger this type of psoriasis.

Pustular psoriasis:- This rare form of psoriasis causes clearly defined pus-filled lesions that occur in widespread patches (generalized pustular psoriasis) or in smaller areas on the palms of the hands or the soles of the feet.

Erythrodermic psoriasis:- The least common type of psoriasis, erythrodermic psoriasis can cover your entire body with a red, peeling rash that can itch or burn intensely.

Psoriatic arthritis:- Psoriatic arthritis causes swollen, painful joints that are typical of arthritis. Sometimes the joint symptoms are the first or only symptom or sign of psoriasis. And at times only nail changes are seen. Symptoms range from mild to severe, and psoriatic arthritis can affect any joint. It can cause stiffness and progressive joint damage that in the most serious cases may lead to permanent joint damage.

Psoriasis


Causes of Psoriasis.


Psoriasis is thought to be an immune system problem that causes the skin to regenerate at faster than normal rates. In the most common type of psoriasis, known as plaque psoriasis, this rapid turnover of cells results in scales and red patches.

Just what causes the immune system to malfunction isn't entirely clear. Researchers believe both genetics and environmental factors play a role. The condition is not contagious.

Psoriasis triggers


Many people who are predisposed to psoriasis may be free of symptoms for years until the disease is triggered by some environmental factor. Common psoriasis triggers include:
  • Infections, such as strep throat or skin infections
  • Weather, especially cold, dry conditions
  • Injury to the skin, such as a cut or scrape, a bug bite, or a severe sunburn
  • Stress
  • Smoking and exposure to secondhand smoke
  • Heavy alcohol consumption
  • Certain medications including lithium, high blood pressure medications, and antimalarial drugs
  • Rapid withdrawal of oral or systemic corticosteroids

What are the Risk factors in psoriasis?


Anyone can develop psoriasis:- About a third of instances begin in the pediatric years. These factors can increase your risk:

Family history:- The condition runs in families. Having one parent with psoriasis increases your risk of getting the disease, and having two parents with psoriasis increases your risk even more.

Stress:- Because stress can impact your immune system, high stress levels may increase your risk of psoriasis.

Smoking:- Smoking tobacco not only increases your risk of psoriasis but also may increase the severity of the disease. Smoking may also play a role in the initial development of the disease.

If you have psoriasis, you're at greater risk of developing other conditions, including:

  • Psoriatic arthritis, which causes pain, stiffness, and swelling in and around the joints
  • Eye conditions, such as conjunctivitis, blepharitis, and uveitis
  • Obesity
  • Type 2 diabetes
  • High blood pressure
  • Cardiovascular disease
  • Other autoimmune diseases, such as celiac disease, sclerosis, and the inflammatory bowel disease called Crohn's disease
  • Mental health conditions, such as low self-esteem and depression

When to see a doctor in Psoriasis


  • If you suspect that you may have psoriasis, see your doctor. Also, talk to your doctor if your psoriasis:
  • Becomes severe or widespread
  • Causes you discomfort and pain
  • Causes you concern about the appearance of your skin
  • This leads to joint problems, such as pain, swelling, or inability to perform daily tasks
  • Doesn't improve with treatment

is psoriasis contagious?

While scientists do not know what exactly causes psoriasis, we do know that the immune system and genetics play major roles in its development. One thing we do know: psoriasis is not contagious. You cannot catch psoriasis from another person. Usually, something triggers psoriasis, causing symptoms to appear or worsen.

What Is the Diagnosis Psoriasis


Your doctor will ask questions about your health and examine your skin, scalp, and nails. Your doctor might take a small sample of skin (biopsy) for examination under a microscope. This helps determine the type of psoriasis and rule out other disorders.

How can you cure psoriasis?


Psoriasis is a common, long-term (chronic) disease with no cure. It tends to go through cycles, flaring for a few weeks or months, then subsiding for a while or going into remission. Treatments are available to help you manage symptoms. And you can incorporate lifestyle habits and coping strategies to help you live better with psoriasis.

What does psoriasis look like?


Psoriasis is a skin disease that causes red, itchy scaly patches, most commonly on the knees, elbows, trunk, and scalp.

Where do you get psoriasis?


Psoriasis most commonly found on the knees, elbows, trunk, and scalp. Psoriasis can appear anywhere on the body, even on the eyelids, ears, lips, skin folds, hands, feet, and nails. Plaques can be a few small patches or can affect large areas. It's possible to have psoriasis plaques and scales in more than one location on the body at a time. 

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