Everyone needs water and certain chemicals (electrolytes) to be healthy. Normally, you drink fluids to meet the need, and being thirsty tells you when you need more fluids. But babies and very young children can't always tell you when they need fluid, especially when they're sick.
Dehydration is not having enough water in your body. Dehydration in children usually happens because of throwing up Vomiting in Infants and Children Vomiting is the uncomfortable, involuntary, forceful throwing up of food. In infants, vomiting must be distinguished from spitting up. Infants often spit up small amounts while being fed or... read more or diarrhea Diarrhea in Children Diarrhea is a very common problem in children (see also Diarrhea in adults). Diarrhea is frequent, loose, or watery bowel movements (BMs) that differ from a child’s normal pattern. Sometimes... read more and the child isn't drinking enough to make up for it. Fever makes dehydration worse.
Throwing up and diarrhea can cause dehydration
Getting too little milk when breastfeeding can cause dehydration in babies
Severe dehydration can make children very sick or sometimes die
Breast milk and oral rehydration solutions (sold at drug stores and supermarkets) have the right balance of water and electrolytes
Soda, juice, and sports drinks don't have the right balance of water and electrolytes.
Children will have symptoms of whatever is making them dehydrated, such as a lot of vomiting, diarrhea, or both. Dehydration causes symptoms such as:
Go to a doctor right away if your child has one of these warning signs:
Severe dehydration can be life-threatening if it isn't treated.
Children who have a little vomiting or diarrhea but aren't dehydrated can keep drinking what they usually do. You can give them some extra fluid, such as small sips of clear soups, clear sodas, or a mix of half-juice and half-water. Children over 1 year can also be given popsicles.
Dehydrated children need extra fluid with the right mix of water and electrolytes. Plain water, milk, soda, juice, and sports drinks don't have the right balance of water and electrolytes.
What fluids to give:
Breast milk, if you're already breastfeeding (breast milk contains electrolytes and is the best fluid for breastfeeding babies)
Oral rehydration solution (a combination of water and electrolytes) that you can buy as a powder or liquid at a drug store or grocery store—after your baby has gone 12 hours without throwing up, then you can give formula
How to give fluids:
If your child is severely dehydrated or is too sick to drink enough, doctors will: