Small pits on nails may be caused by psoriasis, onychomycosis, fungal infections and other reasons.
1. Psoriasis: psoriasis patients mostly manifested as scaly skin erythema or plaque, but may involve the nails, some patients manifested as “thimble-like” depression, that is, there are small pits on the nails.
2. Onychomycosis: the ringworm bacteria invade the nail plate and nail lesions caused by the nail, the patient’s nails can appear small pits, the surface of the nail is uneven.
3. Fungal infection: Nails infected by fungus will appear abnormal changes, such as pits, thickening, shedding and so on.
Nail pits may also be caused by nail malnutrition, etc. It is recommended that the patient consult a doctor in a timely manner to clarify the cause of the disease and follow the doctor’s instructions.