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Psoriasis: A tale that starts from within

Though psoriasis patches appear on the skin, the disease actually starts inside the body. Psoriasis is an autoimmune disease that causes the immune system to send out faulty signals, which makes skin cells multiply faster than normal.


Psoriasis: A buildup of skin cells

An overactive immune system causes skin cells inside the body to multiply faster than normal, leading to inflammation.

As skin cells build up, they appear on the skin as red, raised patches.

The cells die and take on a silvery, scaly look associated with psoriasis.

Though there’s no cure for psoriasis, there are treatment options that can help make it easier to live with.

Find a treatment that fits

Facts and figures on psoriasis


Psoriasis affects both men and women

Psoriasis can strike at any age

1 million people in Canada have psoriasis

125 million people worldwide have psoriasis

90 % of people with
have plaque psoriasis (the most common form)


Thick, red skin




appears on



Lower back



Did you know?

According to a study conducted in the U.S. by the National Psoriasis Foundation, 52% of people were dissatisfied with their psoriasis treatment. Find the right treatment for you

Experiencing joint pain or swelling?

Up to 30% of people with psoriasis go on to develop psoriatic arthritis.

Keep scrolling for more information about psoriatic arthritis.


Psoriatic arthritis: Another tale that starts from within

Similar to psoriasis, psoriatic arthritis is a disease that starts inside the body. Psoriatic arthritis is an autoimmune disease that causes inflammation inside the body. The immune system targets the joints causing swelling, pain and stiffness in and around the joints.

It’s important to remember that psoriatic arthritis, much like psoriasis, affects each person differently. Psoriatic arthritis is a disease that affects the joints, but it can also affect you in other ways. Keep reading for more information.


Facts and figures on psoriatic arthritis


Psoriatic arthritis is a
chronic autoimmune disease

Up to 30% of people with psoriasis go on to develop psoriatic arthritis

While people are usually diagnosed with psoriasis first, joint problems can sometimes begin before skin symptoms appear

Psoriatic arthritis affects both men and women equally

Psoriatic arthritis usually appears between the ages of 20 and 50 years

Common symptoms


Tenderness, pain, and swelling over tendons

Sausage fingers and toes (swelling of the entire finger or toe)

Stiffness and tenderness in one or more joints, including the lower back and spine

Reduced range of motion

Morning stiffness and tiredness

Nail changes

Keep in mind : Psoriatic arthritis can often be confused with rheumatoid arthritis (RA). While both diseases involve the joints, RA tends to impact joints differently.

Talk to your doctor

While there is no cure for psoriatic arthritis, there are treatment options that can not only help reduce the signs and symptoms of psoriasis and psoriatic arthritis, but some of them can also help prevent joint damage. Everyone experiences psoriatic arthritis differently, so be sure to talk to your doctor about what options could work best for you and your symptoms.