Pyoderma gangrenosum

The main symptom of pyoderma gangrenosum is a large, painful ulcer on your skin. You may have more than 1 and they usually appear on the chest or leg.

Pyoderma gangrenosum can be treated with creams, steroids, injections or antibiotics.

Pyoderma gangrenosum often has no cause. You may be more likely to get it if you have conditions like arthritis and inflammatory bowel disease.

Pyoderma gangrenosum is a rare skin condition that causes large, painful ulcers. A GP or skin specialist can help treat it.