Awww Baby must be very uncomfortable and cranky this time. my daughter also ones got this when she was around 3 . These are tried and tested remedies that I am telling you will surely help your baby too to cure this. apply desi ghee or glycerine on the ulcer that will give some relief to baby also give butter milk or curd to baby that will help to cure the babys mouth.
Question:My baby is 12days old. She is having a mouth ulcer today. Is there any treatment?
Answer: Hi Dear,
Mouth ulcers caused due to vitamin deficiency. You can apply breast milk on the affected area. It will work efficiently as it is rich in antioxidants and antibodies. If not cure then consult pediatrician.