<p>Pregnancy Category C. Animal reproduction studies have not been conducted with Sodium Polystyrene Sulfonate. It is also not known whether it can cause fetal harm when administered to a pregnant woman or can affect reproduction capacity. It should be given to a pregnant woman only if clearly needed.<br />
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Nursing Mothers: It is not known whether this drug is excreted in human milk. Because many drugs are excreted in human milk, caution should be exercised when this product is administered to a nursing woman.</p>