Concentrated Zinc Sulfate Injection, USP provides 5 mg zinc/mL. For metabolically stable adults receiving TPN, the suggested intravenous dosage is 2.5 to 4 mg zinc/day. An additional 2 mg zinc/day is suggested for acute catabolic states. For the stable adult with fluid loss from the small bowel, an additional 12.2 mg zinc/liter of small bowel fluid lost, or an additional 17.1 mg zinc/kg of stool or ileostomy output is recommended. Frequent monitoring of zinc blood levels is suggested for patients receiving more than the usual maintenance dosage level of zinc.
For full term infants and children up to 5 years of age, 100 mcg zinc/kg/day is recommended. For premature infants (birth weight less than 1500 g) up to 3 kg in body weight, 300 mcg zinc/kg/day is suggested.
Aseptic addition of Concentrated Zinc Sulfate Injection, USP to the TPN solution under a laminar flow hood is recommended. Zinc is physically compatible with the electrolytes and vitamins usually present in the amino acid/dextrose solution used for TPN.
Parenteral drug products should be inspected visually for particulate matter and discoloration, whenever solution and container permit.