You think your child has a life-threatening emergency.

They can also be very dizzy when trying to stand.

A child with severe dehydration becomes too weak to stand.

Ask your doctor to teach you how to do this test. Count the seconds it takes for the nail to turn pink again. First, press on the thumbnail and make it pale.

Slow blood refill test: longer than 2 seconds.

Inside of the mouth and tongue are very dry.

The urine is dark yellow and has not passed any in over 8 hours.

Your child may have dehydration if not drinking much fluid and:.

Dehydration is a reason to see a doctor right away.

Vomiting with watery diarrhea is the most common cause of dehydration.

Dehydration means the body has lost too much water. The main risk of vomiting is dehydration.The younger the child, the greater the risk for dehydration.Dehydration means the body has lost too much fluid. Children then often become stable and change to mild vomiting. At the start of the illness, it's common for a child to vomit everything. Severity relates even more to how long the vomiting goes on for.Severe: vomits everything, nearly everything or 8 or more times/day.In these babies, it becomes narrow and tight. Cause: the pylorus is the channel between the stomach and the gut.Right after vomiting, the baby is hungry and wants to feed.Onset of vomiting is age 2 weeks to 2 months.The most common cause of true vomiting in young babies.Often occur in children who later develop migraine headaches.

Cyclic vomiting is the most common cause of recurrent attacks of vomiting. A serious cause in young babies is pyloric stenosis. Examples are appendicitis, a kidney infection, diabetes and head injury. If it lasts over 24 hours, you must think about more serious causes. Vomiting alone (without diarrhea) should stop within about 24 hours. In children, most migraine headaches also have vomiting. Sea sickness or fun-park ride sickness are the most common types. Vomiting and dizziness are triggered by motion. This is more common in children with reflux. Hard coughing can also cause your child to throw up. Common foods are peanuts, tree nuts, fish and shellfish (such as shrimp). The vomiting comes on quickly after eating the food. Vomiting can be the only symptom of a food reaction. If taken on an empty stomach, it can cause vomiting. Ibuprofen products (such as Advil) can be a stomach irritant. Caused by toxins from germs growing in foods left out too long. This causes rapid vomiting within hours after eating the bad food. Watery loose stools may follow within 12-24 hours. Stomach infection from a stomach virus is the most common cause.

Other names for vomiting are puking, barfing and heaving.

It's normal for nausea (upset stomach) to come before each bout of vomiting.

Vomiting (throwing up) stomach contents.

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