These black lines on fingernails may look like bruising ... They develop when blood leaks into the space between the nail and ...

Longitudinal ridging, which is clinically known as onychorrhexis, occurs on the nails and may appear as vertical striations or lines that originate from the base of the fingernail and continue to ...

lift away from the nail bed, and lead to itching and thickening. As much as 80% of people with psoriasis have it on their nails. In addition to a black line on the nail, other symptoms may occur ...

In September of last year, Ohio mum Michelle Tagliamonte looked down at her hands and noticed something odd about one of her ...

But the lines were still there. Kennedy News & Media Tagliamonte went to a dermatologist, who told her the “discoloration at the base of my thumb nail ... this black line in my nail was coming ...