Nails with vertical lines and cracks may be caused by nail contusion, malnutrition, nail fungus, etc., which can be treated by local disinfection and medication.
1. Nail contusion: After the nail is contused due to various external factors, the nail may appear vertical lines and cracks. If the degree of contusion is mild or there is only a small amount of blood oozing from the nail, you can disinfect it by applying iodophor locally.
2. Malnutrition: When the nails are malnourished, the nails may also have vertical lines and cracks. It is recommended to go to the hospital, complete the relevant examination, clarify the lack of species and timely supplementation.
3. Onychomycosis: Onychomycosis is a fungal infection that can lead to vertical lines and cracking of the nails. To treat ringworm of the nails, you can apply topical amorphophallus hydrochloride, or take oral itraconazole, fluconazole and other antifungal drugs.
If the nails have vertical lines and cracking, it is recommended to consult a doctor to identify the cause of the problem and carry out targeted treatment or therapy. The above medications should be used in accordance with medical advice.