acid reflux

Baby now 1 month plus. Few more days to turn 2 months. He has been having acid reflux past few days. Always vomitting out afta burp. He struggles alot when he wants to burp. He drinks 100mls every 2 hour. And he is drinking karihome goats milk. Should I change the milk to similac? What else can I do. I do frequent burping. He doesn't allow me to give small feeds . He wants all the 100 mls. Pls help mummies.. TIA