ORS Plans A, B and C: Fluid for a Child With Diarrhea (WHO IMCI)
Gives the fluid for a child under 5 with diarrhea on WHO Plan A, B or C.
Open the calculator → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Plan A, B or C
- Plan C: severe dehydration
- Age in months
- 9
- Weight in kg
- 8
- Severe acute malnutrition
- No
- Plan C: what is possible here
- IV fluid can be started here now
Result: Plan C: Ringer's lactate (or normal saline if it is not available), 800 mL in all (100 mL/kg): first 240 mL over 1 hour (240 mL/h), then 560 mL over 5 hours (112 mL/h). Under 12 months.
The tool opens with these values already filled in. Replace them with your own.
What you enter
- Plan A, B or C
- Age in months
- Weight in kg (needed for Plan C)
- Severe acute malnutrition
- Plan C: what is possible here
How this is calculated
Citation
World Health Organization. Integrated Management of Childhood Illness chart booklet. Geneva: WHO; March 2014. Plans A, B and C. Severe malnutrition: WHO Pocket book of hospital care for children, 2nd ed., 2013, p. 204. Zinc: WHO pneumonia and diarrhoea guideline, 2024, rec. 3c. Read the source ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.