Side effects of taking calcium carbonate oral tablets

What are some side effects that I should call my doctor about right away? Warning or precaution: Even though it is rare, some people may have very bad and sometimes fatal side effects when taking calcium carbonate. Tell your doctor right away or get medical help if you have any of the following signs or symptoms that may be related to a very bad side effect. Signs of an allergic reaction, such as a skin rash; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing and tightness in the chest or throat; trouble breathing, swallowing, or speaking; unusual numbness or tingling or swelling of the mouth, face, lips, tongue, or throat. Signs of high calcium levels, such as weakness, confusion, feeling tired, headache, upset stomach, constipation, or bone pain. Mood changes. What are some other side effects of this drug? What are the side effects of taking calcium carbonate oral tablet? All medicines can cause side effects. However, many people have no side effects or only minor side effects. If any of these or any other side effects bother you and do not go away, call your doctor or get medical help: Constipation Upset stomach or vomiting Heartburn Loss of appetite These are not all of the possible side effects. If you have any questions about side effects, call your doctor. Side Effects Management (General Information) Adverse Effects of Calcium Carbonate Oral Tablets for Healthcare Professionals Calcium carbonate is available in the following dosage forms: Compound powder, Oral capsule, Oral gum, Oral powder, Oral suspension, Oral tablet, Chewable tablet Reported side effects of carbonate: Uncommon (0.1% to 1%): Hypercalcemia Very rare (less than 0.01%): Loss of appetite, milk alkali syndrome Reverse reactions not reported: Alkalosis Uncommon (0.1% to 1%): Hypercalciuria Very rare (less than 0.01%): Frequent urination