Answer ( 1 )

  1. Hello and thank you for posting us at Medimetry.Nutritional defficiencies of folic acid,vitamin b12 and iron can predispose one to mouth ulcers.Brushing too hard,biting inside of lips,emotional stress all can cause ulcers.If it's very painful give child Acetaminophen.Avoid spicy,salty foods.Use soft bristle toothbrush.Do not give chips and nuts.Visit a doctor.He may prescribe a local application for the ulcer and based on clinical examination findings you may need multivitamin or iron supplements.I sincerely hope it helps.Keep me posted with more queries.Good day and take care!