Nail Psoriasis
It produces a variety of changes in the appearance of
finger and toe nails. These changes include discolouring under the nail
plate, pitting of the nails, lines going across the nails, thickening of
the skin under the nail, and the loosening ) and crumbling of the
nail.Nail changes occur in 25-50% of people who have
psoriasis, they are more common in people who also have
psoriatic arthritis .