Hello doctor, vitamin D3 oral solution is that good for baby, can I continue this medicine or not. what is the purpose of this medicine

A. it's for better calcium absorptionmaintain calm environment, dim lights at night even during feeding.  keep the day activity in bright light , do minimum interaction with baby at night. swaddle well till 3 months of age. make use of her favourite blanket/ toy, so they feel secure.