Stomach Flu, Nausea, Vomiting, Diahrrea or Gastroenteritis FAQ

Gastroenteritis- FAQ’s

Many different things can make kids throw up, including illnesses, motion sickness, stress, and other problems. In most cases, though, vomiting in children is caused by gastroenteritis, an infection of the digestive tract. Our Board-Certified Pediatricians at Pediatrics Healthcare Associates can diagnose and treat gastroenteritis, vomiting, and diarrhea via telemedicine.

Gastroenteritis, often called the "stomach flu," usually is caused by common viruses that we come into contact with every day. Besides causing vomiting, it also can cause nausea, belly pain, and diarrhea.

Gastroenteritis infections usually don't last long and are more disruptive than dangerous. But kids (especially infants) who cannot take in enough fluids and also have diarrhea could become dehydrated. This means that their bodies lose nutrients and water, leading to further illness.

What Is Oral Rehydration?

When fluids are lost through vomiting or diarrhea, it's important to replace them as soon as possible. The key is drinking small amounts of liquid often to replace water and nutrients that have been lost.

The best liquids for this are oral rehydration solutions — often called oral electrolyte solutions or oral electrolyte maintenance solutions. They have the right balance of fluids and minerals to replace those lost to vomiting and help kids stay hydrated.

Most electrolyte solutions are available at supermarkets or drugstores. If you think your child is at risk for dehydration, call your doctor. He or she might have specific oral rehydration instructions and can advise you on which solution is best for your child.

When Should I Call the Doctor?

If your child refuses fluids or if the vomiting continues after you try the suggested rehydration tips, call your doctor. Also, call for any of the signs of dehydration below.

In babies:

  • few or no tears when crying

  • dry lips

  • fewer than four wet diapers per day in a baby (more than 4–6 hours without a wet diaper in babies under 6 months of age)

  • fussy behavior

  • soft spot on an infant's head that looks flatter than usual or somewhat sunken

  • appears weak or limp

  • not waking up for feedings

In kids and teens:

  • no peeing for 6–8 hours

  • dry mouth (might look "sticky" inside), cracked lips

  • dry, wrinkled, or doughy skin (especially on the belly and upper arms and legs)

  • inactivity or decreased alertness

  • excessive sleepiness or disorientation

  • deep, rapid breathing

  • fast or weakened pulse

  • sunken eyes

Also contact your doctor if you notice any of the following, which could be a sign of an illness more severe than gastroenteritis:

  • if your infant is under 2 months old and vomiting (not just spitting up)

  • projectile or forceful vomiting in an infant, particularly a baby who's younger than 3 months old

  • vomiting after your baby has taken an oral electrolyte solution for close to 24 hours

  • vomiting that starts again as soon as you try to resume your child's normal diet

  • vomiting that starts after a head injury

  • vomiting accompanied by fever (100.4°F/38°C rectally in an infant younger than 6 months old or more than 101–102°F/38.3–38.9°C in an older child)

  • vomiting of bright green or yellow-green fluid, blood, or brownish vomit resembling coffee grounds (which can be a sign of blood mixing with stomach acid)

  • your child's belly feels hard, bloated, and painful between vomiting episodes

  • very bad stomach pain

  • swelling, redness, or pain in a boy's scrotum

  • pain with peeing, blood in the pee, or back pain

  • headache or stiff neck

Call your Board-Certified Pediatrician at Pediatrics Healthcare Associates to schedule your telemedicine appointment now! Setup your Appointment Now to have your child evaluated by a Board Certified Physician at Pediatrics Healthcare Associates. Please click "Book Now" to Schedule your appointment!

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