Psoriatic arthritis:
With both conditions, you'll probably have times when your symptoms get worse. These are called flares. In between these flares are times without symptoms called remissions.
- Can affect joints in the back and pelvis in addition to the ones in fingers and toes.
- Often affects only one side of your body.
- Sometimes causes foot pain, especially on the sole of your foot or the back of your heel.
- May make your fingers swell up like sausages.
- May make your nails pit and flake.