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Understanding Psoriasis

Key Information:

The Root Cause: Psoriasis isn’t just a skin problem; it starts with your immune system.
- The Security Team Analogy: Think of your immune system as a “security team.” In psoriasis, this team becomes over-protective and sends out incorrect signals.
- Genetics: This is often linked to genes you inherit. It is not caused by poor hygiene or anything you have done.
The Pile-Up:
- Normal Skin: Cells replace themselves over 3 to 4 weeks.
- Psoriasis: The “security team” tells cells to grow too fast, in just a few days.
- The Result: This rapid growth causes a “pile-up” of new cells on the surface, creating the plaques you see.

Not Contagious: Psoriasis is not an infection. You cannot catch it, and you cannot pass it on to anyone.
Manageable: While there is no cure yet, there are many safe and effective treatments to manage the symptoms.

Psoriasis is a long-term condition, but you should contact us sooner rather than later if you experience:

Your next step is to work with us on a treatment plan. If you haven’t already contacted us to discuss this, please do so.

For more information on symptoms, causes and treatment of psoriasis, please visit the NHS website.

Last reviewed: 26 December 2025
Next review due: 26 December 2028