DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Pustular psoriasis. Close-up of a foot dotted with multiple yellow pustules and brown scabs caused by pustular psoriasis. The skin is bright pink and flaky. Brown scabs occur where the pustules have dried out. Psoriasis is a common skin disease characterised by excessive skin growth, which produces thick patches of inflamed, flaky skin. When yellow pustules also occur the condition is called pustular psoriasis. The cause of psoriasis is unknown, although a genetic factor is thought to be involved. There is no cure, the only treatment being soothing creams.
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