Zinc sulfate


Concise Prescribing Info
Indications/Uses
Listed in Dosage.
Dosage/Direction for Use
Adult : PO Zn deficiency As tab/cap: 50 mg of elemental Zn daily. As effervescent tab: 45 mg elemental Zn once daily-tid. As syr: 10-20 mg elemental Zn once daily. Acute diarrhoea 10-20 mg of elemental Zn once daily. IV Zn deficiency As part of an IV parenteral nutrition regimen: 6.5 mg elemental Zn daily.
Dosage Details
Intravenous
Zinc deficiency
Adult: As part of an IV parenteral nutrition regimen: 6.5 mg elemental Zn daily.

Oral
Acute diarrhoea
Adult: 10-20 mg of elemental Zn once daily. Duration of treatment: 10-14 days even when diarrhoea has already stopped.
Child: <6 months 10 mg elemental Zn. ≥6 months 20 mg elemental Zn once daily. Duration of treatment: 10-14 days even when diarrhoea has already stopped.

Oral
Zinc deficiency
Adult: As tab/cap: 50 mg of elemental Zn daily. As effervescent tab: 45 mg elemental Zn once daily-tid. As syr: 10-20 mg elemental Zn once daily.
Child: As effervescent tab: <10 kg: 22.5 mg elemental Zn once daily. 10-30 kg: 22.5 mg elemental Zn once daily-tid. >30 kg: 45 mg elemental Zn once daily-tid. As syr: 1-3 year 5 mg elemental Zn. 4-8 years 10 mg elemental Zn. 9-13 years 10-20 mg elemental Zn once daily.
Contraindications
Copper deficiency.
Special Precautions
Renal impairment. Children. Pregnancy and lactation.
Adverse Reactions
Gastrointestinal disorders: Abdominal pain, dyspepsia, nausea, vomiting, diarrhoea, gastric irritation, gastritis.
General disorders and admin site conditions: Irritability, lethargy.
Nervous system disorders: Headache, dizziness.
MonitoringParameters
Parenteral nutrition or chronic therapy: Monitor serum level of copper, Zn and alkaline phosphatase; taste acuity, mental depression.
Overdosage
Symptoms: Corrosion and inflammation of the mucus membrane of the mouth and stomach, ulceration of the stomach followed by perforation. Prolonged use of large doses: Nausea, vomiting, headache, fever, malaise, abdominal pain. Management: Excessive intake may be treated with withdrawal of Zn and symptomatic therapy. The level of Zn may be diluted by drinking plenty of milk and water, or IM or IV administration of chelating agents (e.g. edetate calcium disodium at a dose of 50-75 mg/kg/day in 3 to 6 divided doses for up to 5 days). Avoid use of emetics or gastric lavage.
Drug Interactions
Reduced absorption of both Zn and oral Fe supplements, penicillamine, tetracycline, and trientine. May reduce absorption of copper and quinolones (e.g. ciprofloxacin, levofloxacin, moxifloxacin, norfloxacin and ofloxacin). Reduced Zn absorption with Ca.
Food Interaction
May inhibit Zn absorption with phytates (present in cereals, rice, corn, legumes, bran, whole grain breads), milk, or phosphorus containing medicinal products and foods.
Action
Description: Zinc sulfate is a mineral supplement. Zinc is a cofactor of various enzymes which is involved in cell division and growth, removal of harmful free radicals, and normal development and maintenance of the immune system.
Pharmacokinetics:
Absorption: Incompletely absorbed in the gastrointestinal tract. Reduced absorption with phytates. Bioavailability: Approx 20-30%.
Distribution: Widely distributed throughout the body with the highest concentration in the muscle, bone, skin, eye, and prostatic fluids. Crosses placenta and enters breast milk. Plasma protein binding: Approx 55% bound to albumin; 40% bound to α1-globulin.
Excretion: Primarily via faeces. Small amounts via urine and perspiration.
Chemical Structure

Chemical Structure Image
Zinc sulfate

Source: National Center for Biotechnology Information. PubChem Database. Zinc sulfate, CID=24424, https://pubchem.ncbi.nlm.nih.gov/compound/Zinc-sulfate (accessed on Jan. 24, 2020)

Storage
PO: Store between 15-30°C. IV: Store between 20-25°C.
MIMS Class
ATC Classification
A12CB01 - zinc sulfate ; Belongs to the class of zinc-containing preparations. Used as dietary supplements.
References
Anon. Zinc Sulfate. Lexicomp Online. Hudson, Ohio. Wolters Kluwer Clinical Drug Information, Inc. https://online.lexi.com. Accessed 02/01/2019.

Buckingham R (ed). Zinc sulfate. Martindale: The Complete Drug Reference [online]. London. Pharmaceutical Press. https://www.medicinescomplete.com. Accessed 01/02/2019.

Joint Formulary Committee. Zinc sulfate. British National Formulary [online]. London. BMJ Group and Pharmaceutical Press. https://www.medicinescomplete.com. Accessed 01/02/2019.

Zinc Sulfate 220 mg Capsules (Crescent Pharma Ltd.). MHRA. https://products.mhra.gov.uk/ . Accessed 12/02/2019.

Zinc Sulfate Injection, Solution (American Regent, Inc.). DailyMed. Source: U.S. National Library of Medicine. https://dailymed.nlm.nih.gov/dailymed/. Accessed 01/02/2019.

Zinc Sulfate Tablet (Nationwide Laboratories, Llc). DailyMed. Source: U.S. National Library of Medicine. https://dailymed.nlm.nih.gov/dailymed/. Accessed 01/02/2019.

Disclaimer: This information is independently developed by MIMS based on Zinc sulfate from various references and is provided for your reference only. Therapeutic uses, prescribing information and product availability may vary between countries. Please refer to MIMS Product Monographs for specific and locally approved prescribing information. Although great effort has been made to ensure content accuracy, MIMS shall not be held responsible or liable for any claims or damages arising from the use or misuse of the information contained herein, its contents or omissions, or otherwise. Copyright © 2020 MIMS. All rights reserved. Powered by MIMS.com
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