Indented horizontal lines on the nail cover may be caused by malnutrition, lichen planus, and traumatic irritation. Usually, it can be treated by general treatment, topical medication such as tacrolimus ointment, and oral medication such as Avitamin A capsule.
1. Malnutrition: If you don’t pay attention to your diet or are picky about what you eat, malnutrition can cause your nails to have sunken horizontal lines. You should pay attention to your diet, don’t be picky about what you eat, eat more vitamin-rich vegetables and fruits, and foods with high protein content to replenish the nutrients you need.
2. Lichen planus: Lichen planus can cause damage to the skin around the nails, which can also lead to sunken horizontal lines on the nail cover. It can be treated with tacrolimus ointment or oral avitamin A capsules as prescribed by the doctor to relieve the symptoms.
3. Traumatic stimulation: If the nails are subjected to trauma, such as extrusion, excessive trimming, etc., it can also lead to the nail cover with concave horizontal lines, usually do not need special treatment, after the trauma is healed, the nail cover grows to a certain length, and can be restored to normal after trimming.
If the patient’s fingernails have indented horizontal lines, it is recommended to go to the hospital in time to find out the cause of the disease, under the guidance of the doctor for treatment. The above medication should be used in accordance with the doctor’s instructions, do not self-medication.