High fiber foods are the biggest reason of gas & acidity. Every patient suffering from this problem must avoid these high fiber foods in the diet like beans, onions, broccoli, Brussels sprouts, cabbage, cauliflower, artichokes. You can also take the help of homeopathic medicines that are most effective in treating these types of problems. Doctor Bhargava’s gas-off tablet is a natural homeopathic medicine for gas and acidity.