White spots on the nails can be caused by various factors, including nutritional deficiencies, trauma, or infectious diseases.

Rough and grooved fingernails in children may be due to malnutrition or deficiencies in protein and calcium, or could be caused by skin diseases or fungal infections. It is recommended to consult a doctor for a check-up and adjust the diet, consuming more iron-rich and red foods, or using topical ointments for treatment.

If a baby’s nails have small white spots, it could be due to a lack of trace elements, injury, worm infection, gastrointestinal diseases, anemia, or malnutrition.