Adverse reactions have been ranked under headings of frequency using the following convention: very common (1/10), common (<1/10 and ≥1/100), uncommon (<1/100 and ≥1/1,000), rare (<1/1,000 and ≥1/10,000), very rare (<1/10,000) and not known (cannot be estimated from the available data).
Immune System Disorders: Very rare: Anaphylactic and anaphylactoid reactions, hypersensitivity reactions such as urticaria.
Metabolism and Nutrition Disorders: Not known: Excess amount of calcium carbonate consumption can cause alkalosis, hypercalcemia, acid rebound, milk alkali syndrome or constipation.
Generally, these side effects can occur when taken more than normal dose.
Respiratory, Thoracic and Mediastinal Disorders: Very rare: Respiratory effects such as bronchospasm.
Gastrointestinal Disorders: Not known: Constipation.
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