Psoriasis

Overview

Psoriasis is one of the most common skin diseases. The condition is characterised by red patches of skin covered in scales. This is a genetic disease which can be triggered, for example, by infections, medication or stress. Good skin care and a healthy lifestyle can have a preventive effect.

Symptoms

Main symptoms

• Red patches of skin with white scales
• Typically on the elbows, knees, palms, soles of the feet, hairy scalp, genitals and tailbone
• Changes to the nails (discolouration, ridges or grooves in the nails, nail separates from nail bed, etc.)
• Itching

Other symptoms

• Joint pain and swelling (psoriatic arthritis), which can affect small and large joints and even the spinal column

Causes and treatment

Causes

• Genetic condition

Triggers include:

• Mechanical friction such as rubbing or pressure
• Infectious diseases, in particular caused by streptococcus bacteria
• Medication (e.g. beta blockers, lithium preparations, anti-malaria drugs)
• Emotional strain, stress
• Alcohol

Further treatment by your doctor / in hospital

Possible tests

• Examination of the entire skin
• Possibly a biopsy

Possible therapies

• Ointments that lift the scales (e.g. containing urea, salicylic acid)
• Anti-inflammatory ointments (e.g. containing cortisone)
• Light therapy (known as phototherapy)
• Medication (for severe cases, e.g. high-dosage vitamin A)

What can I do myself?

• Good skin care (hydrating skin products)
• Nail care
• Sunlight and salt water are usually good for the skin
• A healthy lifestyle with a balanced diet, sufficient exercise and weight control have a positive effect on the progression of the disease

When to see a doctor?

• Psoriasis occurs for the first time
• Substantial worsening of existing psoriasis

Further information

Swiss Psoriasis and Vitiligo Society (SPVG/SSPV Schweizerische Psoriasis und Vitiligo Gesellschaft)
www.spvg.ch