Hi..my gal is 2.5 mnths old and has been spitting up lot of milk both fresh and curdly since beginning aftr almost every feed. She is on formula milk. Doc has prescribed domstal .5ml and lanzol junior 1/4tab in milk empty stomach...want to confirm if lanzol can help or shud we strt with giving domstal first? Will there be any side effects? Do we need to get any internal check up done for my kiddo?