Gastroenteritis in Children

Gastroenteritis (often referred to as the stomach flu) can be a worrying experience for parents, but understanding the condition, its symptoms, and how to manage it can ease concerns. This article will cover everything you need to know about gastroenteritis in children, including symptoms, causes, risk factors, complications, prevention, treatment, and when to see a doctor.

At Bootin and Savrick Pediatric Associates in Houston, Texas, we have experience treating various childhood illnesses, including gastroenteritis. Contact us today to schedule a consultation!

A child with gastroenteritis experiencing abdominal pain in Houston, Texas.

What is Gastroenteritis in Children?

Gastroenteritis is an infection of the digestive tract that leads to symptoms such as diarrhea, vomiting, and abdominal pain. Acute gastroenteritis refers to cases where the symptoms come on suddenly and last for a short period, usually a few days to a week.

Gastroenteritis is most commonly caused by viruses, but bacteria and parasites can also be responsible. While the condition is often referred to as stomach flu, it is not related to influenza.

What Are the Symptoms?

Children with gastroenteritis may exhibit a range of symptoms, including:

  • Watery diarrhea: This is the most common symptom and can vary in frequency and severity.
  • Vomiting: Often accompanies diarrhea and can lead to dehydration if persistent.
  • Fever: A mild to moderate fever may occur.
  • Abdominal cramps: Pain or discomfort in the stomach area.
  • Dry mouth and fatigue: Signs of dehydration, which can become severe if fluid loss isn’t managed.
 

If your child has more severe symptoms like bloody diarrhea or persistent vomiting, you should seek immediate medical attention.

What Causes Gastroenteritis in Children?

Several factors can cause gastroenteritis in children:

  • Viral gastroenteritis: The most common cause, with rotavirus and norovirus being the primary culprits.
  • Bacterial infection: Eating food or drinking water contaminated with bacteria like E. coli or Salmonella can lead to gastroenteritis.
  • Parasites: Less commonly, parasites such as Giardia can cause the condition.
 

The infection often spreads through contact with an infected person or by eating food prepared in unsanitary conditions.

Who is at Risk?

While gastroenteritis can affect anyone, certain groups are more vulnerable:

  • Young children: Immature immune systems make them more susceptible.
  • Older children: Those in close quarters, such as schools or daycare, are at increased risk due to easy spread.
  • Children with weakened immune systems: They may experience more severe symptoms and complications.

What Are the Possible Complications?

One of the most significant complications of gastroenteritis in children is dehydration. This occurs when the body loses more fluids than it takes in due to persistent vomiting and watery diarrhea. Dehydration can range from mild to severe and is particularly concerning in young children, who can become dehydrated quickly.

In cases of severe dehydration, children may show signs such as extreme thirst, dry and cool skin, and a rapid heartbeat. If left untreated, severe dehydration can lead to more serious health issues and may require hospitalization for intravenous fluids. Prompt recognition and treatment are crucial to prevent these complications.

Can the Stomach Flu Be Prevented?

While it may not always be possible to prevent the stomach flu, certain measures can reduce the risk:

  • Good hygiene: Regular handwashing, especially after using the restroom and before preparing food.
  • Safe food practices: Avoiding contaminated food and ensuring proper food storage and preparation can prevent bacterial infections.
  • Vaccination: The rotavirus vaccine is available and can protect young children from severe cases of viral gastroenteritis.

How is Gastroenteritis Treated?

Treatment for gastroenteritis focuses on symptom relief and preventing dehydration:

  • Hydration: Encourage fluids like water, oral rehydration solutions, or sports drinks to replace lost electrolytes.
  • Rest: Allowing the child to rest helps the body recover.
  • Diet: Start with bland foods like bananas, rice, applesauce, and toast when the child feels ready to eat.
 

In severe cases or if symptoms persist, medical intervention may be necessary to address dehydration or underlying infections.

When to See a Doctor

While most cases of gastroenteritis can be managed at home, certain signs warrant a visit to the doctor:

  • Severe dehydration: Symptoms like extreme thirst, dry mouth, and lethargy.
  • Persistent vomiting or diarrhea: Especially if it lasts more than a few days.
  • Bloody diarrhea: A potential sign of a more serious infection.
  • High fever: That does not improve with over-the-counter medications.

Expert Care for Your Child's Health

At Bootin and Savrick Pediatric Associates, we understand the concerns that come with childhood illnesses. If your child is showing signs of gastroenteritis, our team is here to provide compassionate care and guidance. Contact one of our offices in the Houston area today to schedule an appointment!

For more information on how we can help, visit our childhood illnesses page. Your child’s health is our priority, and we are committed to supporting you every step of the way.

Medically reviewed by Dr. Patti Savrick