How to Make Electrolyte Drink for Kids | A Safer Homemade Mix

When a child has been vomiting or has diarrhea, the body loses water and essential minerals called electrolytes. A homemade electrolyte drink can help replace those losses, but getting the ratio right matters more than most recipes admit. Too much sugar can worsen diarrhea, and too much salt can be dangerous. The formula below is the widely cited version of a homemade oral rehydration solution, and it’s the only type of homemade mix most pediatric guidance considers acceptable when commercial options aren’t on hand. If you’re looking for a ready-made option instead, our tested lineup of electrolyte mixes for kids to prevent dehydration covers the best commercial picks.

The Basic Recipe That Works

It works because the balance of sugar and salt helps the intestines absorb water more effectively than plain water alone.

• 1 liter (4¼ cups) of clean drinking water
• 6 level teaspoons of white table sugar
• ½ level teaspoon of table salt

Stir until the sugar and salt are fully dissolved. The word “level” matters — a heaping spoonful of salt makes this mixture unsafe. Serve chilled in small sips, using a cup or straw your child will accept. A child who is vomiting should take just a few sips, then wait about 15 minutes before trying again, increasing the amount as it stays down.

When a Homemade Drink Isn’t the Right Call

For a child who is actively dehydrated, vomiting repeatedly, or having significant diarrhea, pediatric guidance favors a commercial oral rehydration solution like Pedialyte over any homemade mix. Commercial ORS products are formulated to a precise electrolyte balance that’s hard to match perfectly in a home kitchen. Homemade recipes are a reasonable stopgap only if you can measure ingredients exactly and the child isn’t severely dehydrated.

Seek medical care right away if your child is lethargic, can’t keep any fluids down, has blood in their stool, or shows signs of significant dehydration — dry mouth, no tears, or no urination for several hours.

Common Mistakes to Avoid

Most problems with homemade electrolyte drinks come down to getting the formula wrong. Here’s what to watch for:

• Too much salt or sugar. Both can make dehydration worse rather than better. Always use level measuring spoons.
• Honey in drinks for kids under 1. Use only table sugar in recipes for young children.
• Coconut water as the only base. It appears in many recipes but doesn’t have the right electrolyte balance to serve as a standard rehydration solution.
• Giving large amounts too fast. Small, frequent sips are the repeated recommendation, especially when vomiting is present.

Some recipes add baking soda, salt substitutes, or miso. These can change the sodium and potassium balance significantly and should never be improvised for a medically fragile child. If you’re using a published recipe, stick to a validated formula — not a flavor-focused juice-and-honey drink — when the goal is actual rehydration.

FAQs

How much electrolyte drink should I give my child?

General guidance from pediatric sources suggests about 2 to 4 ounces for children under 2 years and 4 to 8 ounces for children 2 and older, given in small sips. These amounts are a general suggestion, not official medical dosing. When a child is vomiting, start with a few sips and wait about 15 minutes before offering more.

Can I use honey instead of sugar in the recipe?

For a true oral rehydration solution, white table sugar is the safest and most reliable choice for kids of all ages.

How long does a homemade electrolyte drink last?

Guidance varies. When in doubt, make a new batch — the ingredients are cheap, and a fresh mix avoids any risk of bacterial growth.