Hello. my daughter having thumb sucking habit. she is 4 yrs old.

A. thumb sucking is naturs way of soothing, comforting, it normally occurs at 3 to 4 mths of age. try involving your baby in other activity to decrease thumb sucking. normally child outgroWS this habit by 3 yrs of age. if it continues beyond that, if it interfers with speech, eating, or other finger activities , consult your paediatrician.