Sodium bicarbonate tablets 3 to 6 tablets a day or 3 to 9 tablets a day, the exact dosage should be taken according to the actual actual specifications and drug instructions. Sodium bicarbonate tablets with a tablet size of 0.3g/tablet should be taken 1~3 tablets once, 3 times a day; sodium bicarbonate tablets with a tablet size of 0.2g/tablet should be taken 1~2 tablets once, 3 times a day. Different sizes of tablets single dose is different, specific should follow the doctor’s instructions. Sodium bicarbonate tablets is a kind of antacid, after oral administration, it can rapidly neutralize stomach acid and relieve the symptoms of hyperacidity or heartburn; it can also increase the concentration of bicarbonate in plasma, so as to correct acidosis; and alkalize the urine, so that uric acid, sulfonamides and hemoglobin are not easy to form crystals or aggregation in the urine. The carbon dioxide produced when sodium bicarbonate tablets neutralize stomach acid may cause belching (hiccups) and a secondary increase in stomach acid secretion. It should be noted that sodium bicarbonate tablets should not be used continuously for more than 7 days, if the symptoms are not relieved or disappeared, you need to adjust the dosage or change the medication according to your own situation under the guidance of a professional doctor, do not increase or decrease the dosage on your own.