Nails empty inside a white powder may be trauma, nail fungus, psoriasis and other reasons.
1. Trauma: nails hit by external forces may appear nail plate and nail bed separation of the situation, when the injured parts are not effectively protected can be white dust into the separation of hollow parts.
2. Onychomycosis: the nail plate and subnail tissues are infected by the skin fungus, which often leads to the uneven surface of the nail plate or breakage, and sometimes the nail plate and the nail bed can be separated, and the keratinous debris can be seen accumulating under the nail.
3. Psoriasis: when psoriasis involves the nail plate and the nail bed, the nails may become empty, and may be accompanied by white scales, and the nails of some patients may also appear thimble-like depression.
The white powder inside the empty nails may also be caused by other reasons, and it is recommended to go to the hospital to clarify the cause and professional treatment.