Zinc sulfate Side Effects
For the Consumer
Applies to zinc sulfate: capsules, tablets
Check with your doctor if any of these most COMMON side effects persist or become bothersome:
Seek medical attention right away if any of these SEVERE side effects occur while taking zinc sulfate:
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); severe vomiting; unusual restlessness; very dry mouth, eyes, or skin.
For Healthcare Professionals
Applies to zinc sulfate: compounding powder, intravenous solution, oral capsule, oral tablet
Gastrointestinal side effects of zinc sulfate when taken in large doses have included diarrhea, abdominal creams, and vomiting, usually within 3 to 10 hours of dosing. The symptoms go away soon after discontinuation.[Ref]
Respiratory side effects have included losing sense of smell in patients who use nasal sprays containing zinc.[Ref]
1. Office of Dietary Supplements. National Institutes of Health "Dietary supplement fact sheet: zinc. Available from: URL: http://ods.od.nih.gov/factsheets/Zinc-QuickFacts/" ([2011 Sept 20]):
2. Office of Dietary Supplements. National Institutes of Health "Dietary supplement fact sheet: zinc. Available from: URL: http://ods.od.nih.gov/factsheets/Zinc-HealthProfessional/" ([cited 2012]):
3. "Product Information. Zinc Sulfate (zinc sulfate)." American Regent Laboratories Inc, Shirley, NY.
It is possible that some side effects of zinc sulfate may not have been reported. These can be reported to the FDA here. Always consult a healthcare professional for medical advice.
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