What causes nail cracking?

Nail cracking, which is most likely related to damage to the nail matrix. Some nail trauma and inflammation, such as onychomycosis, eczema, psoriasis, lichen planus, X-ray damage, systemic wasting diseases, or tumors, can cause damage to the nail matrix. When the nail matrix is damaged, it is easy to show nail cracking. The degree and depth of cracking depends on the degree and time of nail matrix damage. In addition, nail malnutrition, but also can cause a number of cracking nail. In the treatment, first to find the cause, the use of targeted treatment methods, only effective.