Maalox Quick Dissolve Extra Strength Side Effects

Generic Name: calcium carbonate

Note: This page contains information about the side effects of calcium carbonate. Some of the dosage forms included on this document may not apply to the brand name Maalox Quick Dissolve Extra Strength.

Not all side effects for Maalox Quick Dissolve Extra Strength may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.

For the Consumer

Applies to calcium carbonate: tablets

Other dosage forms:

Check with your doctor if any of these most COMMON side effects persist or become bothersome:

Constipation.

Seek medical attention right away if any of these SEVERE side effects occur while taking calcium carbonate (the active ingredient contained in Maalox Quick Dissolve Extra Strength)

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); confusion; increased urination; loss of appetite; mental or mood changes; nausea; severe or persistent constipation or stomach pain; weakness; vomiting.

For Healthcare Professionals

Applies to calcium carbonate: compounding powder, oral capsule, oral gum, oral powder, oral suspension, oral tablet, oral tablet chewable

Gastrointestinal

Rebound hyperacidity has been associated with calcium salt antacids. This side effect does not appear to be due to the acid buffering capacity of calcium carbonate (the active ingredient contained in Maalox Quick Dissolve Extra Strength) but is a consequence of a specific action of calcium on the parietal cell.

Rare cases of calcium carbonate gallstones have been reported in the pediatric literature.

Gastrointestinal side effects have included rebound hyperacidity, constipation (6% to 37%) and gallstones (rarely).

Metabolic

Prolonged ingestion of large amounts of calcium carbonate (the active ingredient contained in Maalox Quick Dissolve Extra Strength) and other sources of exogenous calcium can rarely result in the "milk alkali syndrome" and calcinosis. The milk alkali syndrome is characterized by the triad of hypercalcemia, metabolic alkalosis, and renal insufficiency.

Metabolic side effects have rarely included hypercalcemia and hypophosphatemia. Hypercalcemia may be more likely and more severe in patients with renal dysfunction. In patients on chronic dialysis, hypercalcemia may also result from excessive calcium in the dialysate, vitamin D intoxication, or severe secondary hyperparathyroidism. Other metabolic side effects have rarely included "mild alkali syndrome", calcinosis, and irreversible renal damage.

Renal

Renal side effects have included renal failure, formation of renal calcium and a single case report of a calcium carbonate (the active ingredient contained in Maalox Quick Dissolve Extra Strength) and calcium phosphate-filled renal cyst.

The renal failure that accompanies hypercalcemia and alkalosis in the milk alkali syndrome is usually transient.

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