The most common causes of small toes toenail will be divided into two halves include genetic factors, trauma, fungal infection, nail malnutrition and so on.
1. Genetic factors: small toenails have two flaps belong to the flap nail, refers to the small toenail flap rather than a complete piece, belongs to the autosomal dominant inheritance, usually in the family elders have the phenomenon of flap nails, their offspring tend to have flap nails, belongs to the normal phenomenon, will not affect the physical health.
2. Trauma: If the toenail of the little toe has been traumatized, or due to wearing pointed shoes, resulting in friction between the side of the little toe nail and the shoe and long-term extrusion, it is easy to damage the root of the toenail, thus making the toenail cracked, and it is easy to have pain when walking.
3. Fungal infection: Toenails infected by fungus are prone to change in color, and the texture of the toenail will become brittle and easy to be separated, thus appearing the phenomenon that the toenail is divided into two flaps.
4. Nail dystrophy: this disease is mainly caused by congenital nail deformity, genetic factors, drug factors, certain skin diseases and other factors, manifested as roughness of the fingernails (toes), nail separation, and the phenomenon of toenails divided into two flaps.
It is recommended that the patient according to their own situation, if necessary, to the regular hospital consultation and treatment.