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.

How does PsA work?

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

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[1]
Looking out for PsA

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

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.

Do you recognise the symptoms?

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

How can you be certain it’s PsA?

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

What could the future hold?

Does psoriatic arthritis (PsA) always stay the same?


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Bottlender et al. Schizophr Res 2003; 62: 37–44.
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