They gave you antacid and Antibiotics , which will make you ,ore unhealthy. Start taking betaine HCL, good probiotics such as kefir, kimchi, sauerkraut as well as enzymes before meals. Also freshly squeezed lemon juice half hour before meals in small amount of water will help.
Yes, vitamin c, DE and Colloidal Silver will help, but you need good bacteria in your gut.