Your child is looking like having Gastroesophageal reflux and inspite of domstal
they will throw. Give small feeds frequently and hold the child in vertical position for 15 minutes and burp after each feeding. Domstal baby drops contains 10mg per 1ml and domstal suspension contains 1mg per 1ml so according to prescribed dosage you give the medication. Most of babies reflux will subside by 6 months of age. if the child passes urine adequately and weight gain is good , activity is good nothing to worry and other problems are less likely.