Hello, My child has a dark vertical line in his right thumb.. it seems to be there since past several months.. However he has not felt any pain in the thumb any time. is it something related to vitamin deficieny ? How should I go about it? Kindly suggest.

A. Hello dear parent! Need to check personally to understand if there is any underlying problem. Get your baby personally examined by your doctor and clarify all your concerns. Give your child a well balanced healthy diet and keep hydrated. Good luck and take care.