Psoriatic arthritis basics

Psoriatic arthritis basics

If you’ve already been diagnosed with psoriatic arthritis, or PsA, you probably know a bit about it, but it’s easy to feel lost in the science, so here’s a quick refresher. If you’re new to PsA or would like to share the basics with someone else or prepare for a conversation about it, you’ll find what you need in this section.

Lady posing
How does PsA work?

Psoriatic arthritis works inside your body to cause symptoms you may recognise.

Man with glasses
PsA vs Pso

What’s the difference between psoriatic arthritis and psoriasis?

Once you’ve had PsA for a while, flares may seem less scary, but that doesn’t mean you should put up with them – speak to your doctor if you have any symptoms
Person holding elbow
Looking out for PsA

Psoriatic arthritis can affect various parts of the body – which are familiar to you?

Man smiling
Why do you have PsA?

Find out what causes PsA, whether there may be a genetic link, and if there’s anything else you should watch out for.

Cyclists smiling
Do you recognise the symptoms?

Everyone’s different, but you may find the classic signs familiar.

Lady with blue background
How can you be certain it’s PsA?

Do you know which doctors and tests you’ll encounter?

Man sitting
What could the future hold?

Does psoriatic arthritis (PsA) always stay the same?


National Institute for Clinical Excellence. Psychosis and schizophrenia in adults: prevention and management. 2014. CG178.
APA Clinical Guidelines. American Psychiatric Association. Practice Guidelines for the treatment of patients with schizophrenia. 2004.
Hasan et al. World J Biol Psychiatry 2012; 13: 318─378.