Psoriasis

Psoriasis is a common skin condition where skin cells are made too quickly, causing patches of skin that can be flaky, itchy or sore. It is a long-term condition that often comes and goes, and it is not contagious [1].

Psoriasis usually appears as patches of skin, often with silvery-white scales on lighter skin or a greyish appearance on darker skin. Patches commonly appear on the elbows, knees, scalp and lower back, and it can also affect the nails [1].

Psoriasis is thought to be linked to a problem with the immune system, and can run in families. Flare-ups may be triggered by things such as stress, infections, skin injury, smoking and alcohol [1].

Treatments include creams, lotions and ointments (such as vitamin D or steroid preparations) and moisturisers; more severe cases may need light therapy or other medicines [1]. Identifying your triggers and looking after your general health can also help.

See a GP if you think you have psoriasis, if treatments are not helping, or if you also have joint pain and stiffness. Seek emergency help (999 or A&E) if skin becomes rapidly red and covered in pus-filled spots with a fever, as this needs urgent care [1].