A contract is a voluntary arrangement between two or more parties that is enforceable by law as a binding legal agreement. Contract is a branch of the law of obligations in jurisdictions of the civil law tradition.
Gas, bloating, and burping are usually harmless and go away without any treatment. 1  Increase the amount of fluid you drink, especially water. Avoid carbonated drinks and alcoholic beverages.  Take a medicine that you can buy without a prescription.
For relief of more common, less-serious causes of abdominal or belly bloating, there are a number of OTC (over-the-counter) products. Simethicone (Gas-X, Phazyme, Mylicon) can help reduce bloating and gas caused by swallowed air.