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Drug Safety-related Labeling Changes (SrLC)

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ZINC CHLORIDE IN PLASTIC CONTAINER (NDA-018959)

(ZINC CHLORIDE)

Safety-related Labeling Changes Approved by FDA Center for Drug Evaluation and Research (CDER)

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04/25/2024 (SUPPL-32)

Approved Drug Label (PDF)

5 Warnings and Precautions

WARNINGS

Additions and/or revisions underlined:

Copper Deficiency

Several post-marketing cases have reported that zinc products taken over extended periods of time (i.e., months to years) may result in copper deficiency. The cases reported the following complications of copper deficiency: anemia, granulocytopenia, leukopenia, neutropenia, pancytopenia, thrombocytopenia, and myeloneuropathy.

If a patient develops signs and/or symptoms of copper deficiency during treatment with zinc chloride, interrupt zinc treatment and check zinc and copper levels. Consider supplemental copper administration to treat copper deficiency and monitor zinc levels.

Aluminum Toxicity

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