New born baby (7days old) having complaints of frequent vomiting after feeding and gag reflex is present during sleep also.passing urine and motion frequently.what may be the cause for this

A. If the problem is while sleeping also then you can check with the doctor though having stomach reflux and vomiting is very common in this age but during the time of sleep also the child is having a lot of discomfort then you better consult your doctor once