Skip to main content

What is psoriasis?

What is psoriasis?

Speak To An Expert

Get clear, personalised advice for your situation.

Jot down a few questions to make the most of your conversation.


What is Psoriasis?

Psoriasis is a chronic skin condition that accelerates the life cycle of skin cells, causing them to build up rapidly on the surface of the skin. This results in patches of skin that are red, scaly, and often itchy or painful. Psoriasis is a long-lasting, non-contagious autoimmune disease that can vary in severity from small, localized patches to complete body coverage.

Causes of Psoriasis

Psoriasis is believed to be related to an immune system problem, with T cells accidentally attacking healthy skin cells. It may also be associated with other health conditions, such as arthritis, known in conjunction as psoriatic arthritis. While the exact cause of psoriasis isn't fully understood, certain factors can trigger it or make it worse, including infections, skin injuries, stress, smoking, prolonged sun exposure, and excessive alcohol consumption. There is also a genetic component, as psoriasis can run in families.

Symptoms and Types

The most common symptoms of psoriasis include red patches covered with silvery scales, dry and cracked skin that may bleed, itching or burning, thickened or ridged nails, and swollen or stiff joints. There are several types of psoriasis: - Plaque psoriasis, the most common type, causes dry, raised, red skin lesions. - Guttate psoriasis affects younger adults and children, usually triggered by a bacterial infection like strep throat. - Inverse psoriasis affects the skin folds in the groin, buttocks, and breasts. - Pustular psoriasis causes pus-filled blisters on the skin. - Erythrodermic psoriasis can cover the entire body with a red, peeling rash that can itch or burn intensely.

Diagnosis and Treatment

Psoriasis diagnosis typically involves a physical exam and medical history review, potentially followed by a skin biopsy to rule out other disorders. While there is currently no cure for psoriasis, treatments can help manage the symptoms. Options include topical treatments like corticosteroids, vitamin D analogues, anthralin, and topical retinoids. Phototherapy, involving controlled exposure to ultraviolet light, can also be effective. Systemic medications, either oral or injected, are prescribed for severe cases, including biologics that target specific parts of the immune system. Lifestyle changes and home remedies, such as daily baths, moisturizers, and stress management, may help reduce symptoms.

Managing Psoriasis

Managing psoriasis involves adhering to treatment plans, maintaining a healthy lifestyle, and being aware of potential trigger factors that can lead to flare-ups. Moisturizing regularly, avoiding harsh skincare products, maintaining a balanced diet, and avoiding alcohol and smoking are recommended strategies. Support groups and counselling may also be beneficial for those dealing with the psychological impacts of the condition. Regular appointments with healthcare professionals can help manage and monitor the condition effectively, improving the quality of life for those affected.

What is Psoriasis?

Psoriasis is a skin problem. It makes skin cells grow too fast. This causes red and scaly patches on the skin. The patches can be itchy or hurt. Psoriasis is not contagious, so you can't catch it from someone else. It can be mild or cover the whole body.

Causes of Psoriasis

Psoriasis happens because the body’s immune system is confused. It attacks healthy skin cells by mistake. People with psoriasis might have other health problems like joint pain. Psoriasis can run in families. Things like stress, injuries, infections, or smoking can make it worse.

Symptoms and Types

Signs of psoriasis are red patches with silver scales, itchy or burning skin, thick nails, and sore joints. There are different types of psoriasis: - Plaque psoriasis: dry, red skin. - Guttate psoriasis: often in kids after a sore throat. - Inverse psoriasis: red skin in warm areas like the groin. - Pustular psoriasis: with pus-filled bumps. - Erythrodermic psoriasis: red rash all over the body.

Diagnosis and Treatment

Doctors look at your skin and ask questions to see if you have psoriasis. Sometimes they test a small piece of skin. Psoriasis can't be cured, but treatments can help: - Creams and ointments like steroids or vitamin creams. - Light therapy, which uses UV light. - Medicines that you take as pills or injections. - Simple things like taking baths, using moisturizers, and staying calm can help too.

Managing Psoriasis

To manage psoriasis, follow your doctor’s advice and treatments. Live healthily, avoid things that make it worse like stress, smoking, and drinking alcohol. Use gentle skin products and moisturize often. Support groups and talking to counselors can help if you're feeling upset. Keep seeing your doctor to make sure everything stays under control.

Frequently Asked Questions

Psoriasis is a chronic autoimmune skin condition that causes rapid skin cell growth, leading to scaling on the skin's surface.

Symptoms include red patches of skin covered with thick, silvery scales, dry or cracked skin that may bleed, and itching or burning sensations.

Psoriasis is thought to be an immune system problem that causes skin cells to grow too quickly. Genetic factors and environmental triggers can also play a role.

No, psoriasis is not contagious. It cannot be passed from person to person through touch.

Yes, psoriasis can also affect joints, leading to a condition known as psoriatic arthritis, and can impact nails, causing discoloration and abnormal growth.

Psoriasis is usually diagnosed through a physical exam of the skin. A dermatologist may also take a skin biopsy to rule out other disorders.

Common types include plaque psoriasis, guttate psoriasis, inverse psoriasis, pustular psoriasis, and erythrodermic psoriasis.

Common triggers can include stress, skin injuries, infections, certain medications, and weather changes.

Treatment options include topical treatments, phototherapy, systemic medications, and biologics. The choice of treatment depends on the severity and type of psoriasis.

Yes, lifestyle changes such as maintaining a healthy diet, managing stress, avoiding skin injuries, and moisturizing regularly can help manage symptoms.

Currently, there is no cure for psoriasis, but treatments can help control symptoms and improve quality of life.

Yes, psoriasis can have a significant impact on mental health, leading to depression, anxiety, and reduced self-esteem.

Some people find relief through natural remedies such as aloe vera, oatmeal baths, and fish oil supplements, but effectiveness varies from person to person.

While no specific diet can cure psoriasis, some people find that reducing alcohol, red meat, and high-fat foods can help manage flare-ups.

Psoriasis and eczema are both chronic skin conditions, but they have different triggers, symptoms, and treatments. Psoriasis tends to have more defined and scaly red patches.

Yes, psoriasis can affect children, though it is more commonly diagnosed in adults. Symptoms and treatments are similar across age groups.

Scalp psoriasis is a form of psoriasis that occurs on the scalp, causing red, itchy areas with silvery-white scales.

Yes, the severity and location of psoriasis can change over time, with periods of remission and flare-ups.

Cold, dry weather can worsen symptoms, while moderate sunlight exposure may improve them. However, too much sun can trigger flare-ups.

Yes, individuals with psoriasis are at higher risk of developing conditions like psoriatic arthritis, cardiovascular disease, and metabolic syndrome.

Psoriasis is a long-lasting skin problem. It makes your skin cells grow too fast. This causes patches on your skin.

You might see red spots on your skin. They could have thick, shiny silver stuff on them. Your skin might feel very dry or have cracks that bleed. It might itch or feel like it's burning.

Some things that could help are:

  • Use gentle skin creams to keep your skin soft
  • Wear soft clothing without scratchy tags
  • Take warm baths with gentle soap
  • Talk to a grown-up or doctor if you feel worried

Psoriasis is a problem with the body’s defense system. It makes skin cells grow too fast. Genes and things around you can also cause it.

No, you cannot catch psoriasis from someone else. Touching someone with psoriasis will not make you get it.

Yes, psoriasis can also hurt the joints. This is called psoriatic arthritis. Psoriasis can also change how nails look. Nails might get different colors and grow in a strange way.

Doctors find out if you have psoriasis by looking at your skin. Sometimes, a skin doctor, called a dermatologist, might take a tiny piece of skin to check for other problems.

There are different kinds of psoriasis. They have different names:

  • Plaque psoriasis
  • Guttate psoriasis
  • Inverse psoriasis
  • Pustular psoriasis
  • Erythrodermic psoriasis

If you need help reading, try using tools that read text out loud. They can be very helpful!

Things that can make it worse are stress, hurting your skin, getting sick, some medicines, and changes in the weather.

There are different ways to help with psoriasis. These include putting medicine on your skin, using special light, taking strong medicine, or using special new treatments called biologics. Doctors decide the best way depending on how bad your psoriasis is and what kind you have.

Yes, you can feel better by making some changes in your life. Eat healthy food, try to stay calm, be careful not to hurt your skin, and use lotion to keep your skin soft.

Right now, there is no way to completely get rid of psoriasis. But there are medicines that can help make the symptoms better and help people feel better in their everyday life.

Yes, psoriasis can make people feel bad. It can cause sadness, worry, and make people like themselves less.

Some people feel better by using natural things like aloe vera, oatmeal baths, and fish oil supplements. These may help some people, but they don't work for everyone.

There is no special food plan that can make psoriasis go away. But some people feel better when they eat less alcohol, red meat, and fatty foods.

Psoriasis and eczema are both skin problems that last a long time. But they start, look, and get better in different ways. Psoriasis shows up as red spots with clear edges and scaly skin.

Yes, kids can get psoriasis too, but it's more common in grown-ups. The signs and treatments are similar for kids and adults.

Scalp psoriasis is a skin problem that happens on your head. It makes red and itchy spots with white flakes.

Sometimes, psoriasis can get better or worse. It can also move to different parts of the body. You might have times when it's not so bad and times when it gets worse.

It can help to use things like:

  • Moisturizing creams to soothe your skin.
  • Medicines from your doctor.
  • Relaxation techniques like deep breathing to reduce stress.

Cold and dry weather can make skin feel worse. A little bit of sunshine can help your skin feel better. But too much sun can make your skin hurt again.

Yes, people with psoriasis can get other health problems. These include joint problems, heart disease, and issues with body weight and sugar.

Important Information On Using This Service


This website offers general information and is not a substitute for professional advice. Always seek guidance from qualified professionals. If you have any medical concerns or need urgent help, contact a healthcare professional or emergency services immediately.

Some of this content was generated with AI assistance. We've done our best to keep it accurate, helpful, and human-friendly.

  • Ergsy carefully checks the information in the videos we provide here.
  • Videos shown by Youtube after a video has completed, have NOT been reviewed by ERGSY.
  • To view, click the arrow in centre of video.
Using Subtitles and Closed Captions
  • Most of the videos you find here will have subtitles and/or closed captions available.
  • You may need to turn these on, and choose your preferred language.
Turn Captions On or Off
  • Go to the video you'd like to watch.
  • If closed captions (CC) are available, settings will be visible on the bottom right of the video player.
  • To turn on Captions, click settings.
  • To turn off Captions, click settings again.