Fingernails have white spots. What's going on?

Nail disease factors are many, some skin diseases, such as psoriasis, lichen planus, onychomycosis and eczema are likely to cause nail changes, it is recommended to first go to the medical institution to rule out these factors. If there is only white nail, there are several possibilities: punctate white nail, the plate shows opaque white spots moving distally with nail growth, sometimes disappearing before reaching the distal nail, normally caused by trauma. Linear white nail, multiple white opaque parallel lines visible on the nail, secondary to nail matrix damage after manicure, occurring normally on the big toe and related to shoe crush damage. Dispersed white nail, full or almost full nail opaque, white, normal is hereditary.