ZINC

Standard Prescription

zinc__mg PO__(frequency) (__mg Zn++/kg/24hr)

Dosages

All doses expressed as elemental Zinc (Zn++)

Zinc Deficiency:
Infants and Children:  
0.5-1 mg Zn++/kg/dose PO once daily or divided BID-TID
Adults: 25-50 mg Zn++/dose PO TID.

Burns>10% body surface :
<3 yr old : 10 mg Zn++ /dose PO BID
>3 yr old :  20 mg Zn++ /dose PO BID
(See Nutrition section of BCCH PICU Burn Manual)

Parenteral nutrition (IV):
Preterm: 400 mcg Zn++/kg/day
Term (3-10 kg): 250 mcg Zn++/kg/day
Child (10-40 kg): 50 mcg Zn++/kg/day (Max: 5000 mcg Zn++ /day)
Adolescent (>40 kg): 2-5 mg Zn++/day

Mechanism of Action

Mineral supplement

Forms Supplied

tablet (gluconate): 10 mg Zn++, 50 mg Zn++
injection: 1 mg Zn++/mL
liquid (BCCH): 2 mg Zn ++/mL susp

Comments

70 mg of zinc gluconate = 10 mg elemental zinc.

Approximately 20-30% of PO zinc is absorbed.

Patients with excessive losses or malabsorption may require higher doses.

References

44, 299, 300 339

Last Edited

2022-06-18 21:18:44