onychorrhexis – MySymptom

Why do my fingernails break and split so easily straight down the exact middle?

1. Introduction Fingernails break and split straight down the middle due to a clinical condition known as onychorrhexis, which is characterized by longitudinal ridging and a loss of intercellular adhesion within the keratin matrix of the nail plate. This structural compromise is most frequently caused by repetitive cycles of wetting and drying the hands, chronic … Read more

Why do my fingernails split vertically straight down the middle of the nail?

1. Introduction A fingernail that splits vertically straight down the middle is a structural failure of the nail plate clinically termed onychorrhexis. This specific pattern of damage occurs when the linear keratin fibers that form the nail lose their moisture and structural integrity, often due to repetitive environmental dehydration, advancing age, or subtle systemic imbalances … Read more