No contraindications to the use of Aluminum and Magnesium Dimethicone Chewable Tablets have been found in the instructions. The drug is a compound preparation which contains aluminum hydroxide and magnesium hydroxide. Among them, aluminum hydroxide can neutralize or buffer the chemical reaction of the stomach acid already existing in the stomach, so as to relieve the symptoms of hyperacidity; magnesium hydroxide has the effect of acid control, and the combination of aluminum hydroxide can correct the constipation and abdominal distension caused by aluminum hydroxide alone. Clinically, the drug is used to treat symptoms of hyperacidity, gastric and duodenal ulcers and gastrointestinal flatulence. The adverse effects of the drug are not known. Caution should be taken during the use of the drug: 1. Fracture patients and patients with hypophosphatemia should not take the drug, and the product should not be taken for a long time. 2. Taking the drug in appendicitis or acute abdomen may aggravate the condition and increase the risk of appendiceal perforation. 3. Long-term use in patients with renal failure can cause aluminum toxicity, psychiatric symptoms, especially for patients on hemodialysis, can produce dialysis dementia, manifested as muscle pain convulsions, abnormal taste and other symptoms. If you need to use the drug, should be used under the guidance of a specialist, not self-medication, in order to avoid adverse reactions.