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1 May 2026Oral drugs

Zinc sulfate oral

Zinc sulfate guidance as an adjunct to oral rehydration therapy for acute or persistent diarrhoea in children under 5 years.

This guide page is for structured reference only and does not replace a clinician, pharmacist, or emergency review. Dose choice, route choice, interactions, and safety decisions still need professional judgment.

Therapeutic action

Micronutrient.

Indications

Adjunct to oral rehydration therapy in the event of acute and or persistent diarrhoea in children under 5 years.

Forms and strengths

  • 20 mg scored and dispersible tablet, packed in a blister.

Dose and duration

Place the half-tablet or full tablet in a teaspoon, add a bit of water to dissolve it, and give the entire spoonful to the child.

  • Child under 6 months: 10 mg, half tablet, once daily for 10 days.
  • Child from 6 months to 5 years: 20 mg, 1 tablet, once daily for 10 days.

Contra-indications, adverse effects, precautions

Tablets are packed in a blister. Leave tablets in blister until use. Once a tablet is removed from the blister, it must be dissolved and administered immediately.

  • No contra-indication.
  • If the child vomits within 30 minutes after swallowing the tablet, re-administer the dose.
  • Do not give simultaneously with ferrous salts; administer at least 2 hours apart.

Source

MSF Essential drugs practical guidelines (January 2026)

This page reproduces the structured reference information for this batch while leaving out the Storage and Remarks sections.

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