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Kidney stones can occur, though rarely, in people taking silicon-containing antacids for long periods of time.
Special Precautions & Warnings:Pregnancy and breast-feeding: Silicon is LIKELY SAFE when used in food amounts. Its safety in larger medicinal amounts is unknown. Stay on the safe side and avoid use.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.