My kid has white lines on his nails what may be the reason

A. White lines or spots on a child's nails can be due to several reasons: Possible Causes Nutritional Deficiency Zinc, calcium, or protein deficiency can cause white lines on nails. Solution: Ensure a balanced diet with dairy products, green veggies, nuts, and protein-rich foods. Minor Injuries or Trauma If your child plays actively, small injuries to the nail bed can cause white marks. Solution: No treatment is needed; they will grow out naturally. Frequent Nail Biting or Pressure Biting nails or pressing them too much can lead to these marks. Solution: Discourage nail biting and keep nails trimmed. Fungal or Bacterial Infection If the nails look brittle, thickened, or have white patches, it could be an infection. Solution: A doctor may prescribe antifungal treatment. Allergic Reaction or Chemical Exposure Frequent use of harsh soaps, sanitizers, or detergents can cause white spots. Solution: Use mild baby-friendly soaps and moisturize hands. When to See a Doctor? If white lines spread on multiple nails. If nails look weak, brittle, or change shape. If your child has fatigue, frequent infections, or hair loss, as this may indicate a deficiency. Has your child had any recent illness or diet changes?