Minor side effects are usually relieved by reducing the dose or frequency. For major reactions, the patient should contact the physician immediately. Aluminum carbonate may lead to constipation and, uncommonly, blockage of the bowel. Excessive or long-term use of aluminum containing antacids can lead to subtle poisoning, mental changes and weak bones. They should not be used long-term or by patients with chronic kidney failure or who are on dialysis without discussion with the physician.
Antacids are one of mankind's oldest friends.
If you develop occasional heartburn or indigestion, you take an antacid and get instant relief. No house should be without an antacid. Yet, if these symptoms occur daily or several times a day and especially at night, then there could be a more serious problem. These conditions are rarely healed by antacids alone. A specific diagnosis must be made by the physician.