Sodium bicarbonate tablets can usually be taken for bad kidneys. Sodium bicarbonate tablets are mainly used for the relief of stomach pain, heartburn sensation (heartburn) and acid reflux caused by excessive stomach acid. It is contraindicated in the following cases: patients with restricted sodium intake (e.g. hypernatremia, hypertension during pregnancy, etc.), those who are using urotropin, and those who are allergic to any of the ingredients in this product. Precautions: Not recommended for children under 6 years of age, not recommended for those with appendicitis or similar symptoms without confirmed diagnosis and those with unknown cause of gastrointestinal bleeding, caution for those with hepatic, renal, cardiac and pulmonary insufficiency, and caution for patients with severe peptic ulcer. Patients with renal failure can use this product in moderation if they suffer from gastric discomfort such as acid reflux, heartburn, or metabolic acidosis, and there are no contraindications to the use of the drug. How to use this product need to follow the doctor’s instructions, not unauthorized use of drugs, so as not to aggravate the condition. To sum up, it is recommended that patients consult a regular hospital in a timely manner, carry out the appropriate examination, and treat with the advice of a comprehensive specialist.