A pit in the nail may be caused by trauma, onychomycosis, nail malnutrition and other reasons.
1. trauma: nails are subject to external injuries, such as heavy objects smashed, nail art and long time subject to friction, etc., can lead to the surface of the nails become brittle and thin, which can lead to the surface of the nails have a pit.
2. Onychomycosis: usually caused by fungal infection of the nail, when the fungus enters the nail plate, an inflammatory reaction occurs, causing the nail plate to separate and destroy, which can lead to a pit in the nail.
3. Nail dystrophy: this disease is often secondary to certain diseases, such as dystrophic herpetic epidermolysis bullosa, lichen planus, systemic scleroderma, etc., the patient is often manifested as thinning nails, brittle, nail plate separation, depression and other symptoms, resulting in pits in the nails.
It is recommended that patients with pitted nails go to the hospital in time to clarify the cause of the disease and under the guidance of the doctor for active treatment.