However, a short - term trial of an acid - blocking medication — such as ranitidine for infants age 1 month to 1 year or omeprazole (Prilosec) for children age 1 year or older — might be recommended if your baby: (mayoclinic.org)
I notice complete resolution of symptoms with an initial dose of ranitidine (zantac) however get this incredible forehead pain. (schizophrenia.com)
Some babies will respond to an H2 blocker like Ranitidine / Zantac, but most will need a PPI (proton pump inhibitor) like Prilosec / Omeprazole or Prevacid. (infantreflux.org)