Homemade Electrolyte Drink for Kids | Safe Rehydration Recipe

When your child is dehydrated from a stomach bug or too much sun, a homemade electrolyte drink can help restore lost fluids and minerals. The key is getting the salt-to-sugar balance exactly right — too much salt can be dangerous, and too little sugar makes the drink ineffective. Below is the evidence-based recipe, safety rules, and when to skip DIY altogether.

What Makes a Safe Homemade Electrolyte Drink for Kids?

The World Health Organization’s oral rehydration solution (ORS) formula is the gold standard for rehydration during illness. A homemade version closely mimics that ratio using three common ingredients: water, table salt, and table sugar. Unlike juice, sports drinks, or coconut water, this recipe delivers the precise electrolyte balance that helps the intestine absorb fluids rather than continuing to flush them out.

For children over six months old who are alert, urinating, and not vomiting repeatedly, this homemade mix is a reasonable short-term option. For infants under six months, commercial pediatric ORS or a doctor’s guidance is always safer.

The Exact ORS-Style Recipe for Kids

Two nearly identical recipes work — use whichever is easier to measure in your kitchen:

To prepare: Combine the salt and sugar in a clean jar or pitcher. Add a splash of warm water and stir or shake until fully dissolved — no grains should remain. Fill with the remaining water, stir again, and chill before serving.

For a child who refuses plain electrolyte water, you can add a squeeze of lemon or lime for flavor — but do not substitute honey for the sugar if the child is under 12 months. Never replace the recipe with juice, broth, or sports drinks, as their salt and sugar ratios are not designed for rehydration during illness.

When to Use (and Not Use) a Homemade Electrolyte Drink

A homemade electrolyte drink is appropriate for mild fluid loss: a child who had a few loose stools, has a low-grade fever and is still drinking, or has been sweating heavily on a hot day. Offer small, frequent sips — for a toddler, start with one teaspoon every five minutes if they are tolerating it, then increase gradually.

This homemade mix is not appropriate for: children under six months of age, any child who is vomiting repeatedly or has had more than three watery stools in a few hours, a child who cannot keep fluids down for more than four hours, or any child showing signs of moderate to severe dehydration (dry mouth, sunken eyes, no tears, lethargy, urinating less than every six hours). In those cases, commercial pediatric ORS like Pedialyte or an immediate call to your pediatrician is the right step.

For a comprehensive comparison of the best commercial electrolyte options for kids, see our guide to top-rated children’s electrolyte products.

Common Mistakes That Make Homemade Electrolyte Drinks Unsafe

The biggest risk is using an unmeasured “pinch” of salt — this can produce dangerously high sodium levels in a small child. Always level the salt with a knife (not a heaping spoon). The second most common error is using honey in place of sugar for infants under 12 months, which carries a risk of infant botulism. Finally, relying on juice-heavy punches or coconut water as a complete rehydration solution during illness is ineffective; they lack the right salt-to-sugar ratio and can worsen diarrhea due to their high sugar content.