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Psoriasis

Psoriasis develops when there is a dysfunction of the immune system that causes inflammation. Although signs can appear anywhere on the body, the most common areas include elbows, knees, scalp, chest and lower back.

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About psoriasis

Common causes

Triggers for psoriasis can lead to an active outbreak of the disease or even its onset. These factors include stress, injury to a specific skin area, systemic infections, and the use of certain medications.

Impact on daily life

People with psoriasis may experience physical pain, discomfort and bleeding that disrupt daily activities. This can cause depression, anxiety, low self-esteem, poor self-image and feelings of loneliness.


Happy woman with psoriasis Psoriasis on arms and belly
Psoriasis on hands and arms Psoriasis on person hands

Types of psoriasis

There are five main types of psoriasis:

  1. Plaque psoriasis

    Plaque psoriasis (also known as psoriasis vulgaris) is the most common type of psoriasis, affecting about 90% of patients.

    It appears as patches of inflamed skin, covered by an accumulation of skin cells that form a white, scaly layer called a squama.

    Plaque psoriasis can develop on any part of the body, but most often occurs on the elbows, knees, scalp and trunk.

  2. Guttate psoriasis

    Guttate psoriasis comes from the Latin word gutta, which means "drop". 

    This form of psoriasis is characterised by small red, scaly patches of skin that often look like tears or raindrops. Hundreds of these small, drop-shaped patches can appear on the arms, legs, chest and sometimes the scalp. It usually affects children and young adults.

  3. Inverse psoriasis

    It is estimated that 21-30% of people with psoriasis suffer from inverted psoriasis (also called intertriginous psoriasis or flexural psoriasis). It occurs in areas such as the armpits, groin, under the breasts or buttocks, or any other area where the skin folds or bends. This type of psoriasis is characterised by smooth, inflamed lesions and may be moist to the touch. Inverse psoriasis lacks the scaling associated with plaque psoriasis due to the moist environment.

  4. Pustular psoriasis

    Pustular psoriasis is described as blister-like lesions filled with non-infectious pus and surrounded by reddened skin. It is a rare but severe type of psoriasis, usually seen in adults and often requiring immediate medical attention.

    There are three different forms of pustular psoriasis: generalised, localised and acropustulosis. 

  5. Erythrodermic psoriasis

    Erythrodermic psoriasis is the rarest form of psoriasis, but also the most severe. It is estimated to affect 1-2% of people with psoriasis and is described as a skin-like rash over the entire body. It can cause intense itching or burning and usually spreads rapidly.

Psoriasis treatment

With proper treatment, you can better manage your skin problems and enjoy a better quality of life.

  1. Topical treatments

    Different types of creams are applied regularly to the plaques until they disappear.

  2. Other treatments

    No systemic or phototherapy treatments can be prescribed.

According to the severity of your psoriasis, many options are available. Our dermatology team will recommend the best treatment for your condition.

Treatment options

Although there is no cure for psoriasis, a wide range of treatments are available to help control the disease. Generally, treatments fall into three categories: topical treatments, phototherapy and systemic treatments.

The choice of the most appropriate type of treatment depends on the form and severity of the disease, the size and extent of the plaques, the patient's response to a given treatment and the patient's preferences.

The doctor may change the dose of a patient's treatment, combine one type of treatment with another, or switch treatments to find one that works better for the patient.

Consult dermago online

How does it work?

  1. dermago online step 1 - file

    Create your file

    Complete the online form at your convenience. Please be specific in your answers so that the team has all the necessary information.

  2. dermago online step 2 - photos

    Send your photos

    Use quality photos. Pictures of your skin condition to be treated should be clear and well-lit.

  3. dermago online step 3 - questions and answers

    Ask your questions

    Use our secure messaging system to communicate directly and privately with the medical team.

  4. dermago online step 4 - treatment

    Begin your treatment

    Your prescription will be sent directly to your pharmacy. The pharmacist will contact you when it is ready for pick-up.

Treat your condition with dermago!

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More about psoriasis

About psoriasis