What is Viral Gastroenteritis in Children and How to Manage Tummy Troubles

little boy with hands on his stomach

Medically Reviewed by Dr. Pang Yu Xian (M.B.B.S., Singapore)

Viral gastroenteritis, commonly known as the stomach flu, is a prevalent and contagious condition that particularly affects children. It involves inflammation of the stomach and intestines, leading to a host of uncomfortable symptoms. 

Understanding viral gastroenteritis in children and knowing how to manage tummy troubles can help parents effectively support their children through this illness.

Understanding Viral Gastroenteritis

Causes and Transmission

Viral gastroenteritis is primarily caused by various viruses, including norovirus, rotavirus, adenovirus, and astrovirus. These viruses are highly contagious and can spread through contaminated food, water, and surfaces, as well as direct contact with an infected person. In places like Singapore, where there is a high population density, the spread of viral gastroenteritis can be rapid, especially in environments such as schools and daycare centres.

Symptoms

The symptoms of viral gastroenteritis in children typically appear 1-3 days after exposure to the virus and can last anywhere from 1-10 days. Common symptoms include:

Children vomiting is a particularly distressing symptom for both the child and the parents, often leading to dehydration if not properly managed. It’s important to monitor these symptoms closely and ensure proper care to avoid complications.

How it Differs from Other Conditions

Viral gastroenteritis can often be confused with other gastrointestinal conditions such as food poisoning or bacterial infections. Unlike bacterial infections, viral gastroenteritis does not respond to antibiotics. Therefore, distinguishing between these conditions through proper medical diagnosis is essential for effective treatment.

Managing Tummy Troubles

Hydration is Key

One of the most critical aspects of managing viral gastroenteritis in children is preventing dehydration. Due to the loss of fluids through diarrhoea and vomiting, children are at high risk of becoming dehydrated. Signs of dehydration include dry mouth, decreased urination, lethargy, and sunken eyes.

To keep your child hydrated:

  • Offer small sips of water frequently.
  • Provide oral rehydration solutions (ORS) like Pedialyte, which contain essential electrolytes.
  • Avoid sugary drinks and caffeinated beverages as they can exacerbate dehydration.

It’s advisable to keep a close eye on your child’s fluid intake and output. If dehydration symptoms appear severe or persist, seek medical attention immediately.

Diet and Nutrition

Maintaining a proper diet during a bout of viral gastroenteritis is essential for recovery. According to the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), appropriate dietary choices can help alleviate symptoms and provide necessary nutrients. Here are some dietary guidelines:

  • BRAT Diet: Bananas, Rice, Applesauce, and Toast are gentle on the stomach and can help manage diarrhoea.
  • Gradual Reintroduction: Slowly reintroduce other bland foods like boiled potatoes, plain pasta, and lean meats as your child starts to feel better.
  • Avoid Dairy and Fatty Foods: These can be harder to digest and may worsen symptoms.

In addition to these guidelines, encouraging children to eat smaller, more frequent meals can help manage nausea and prevent further vomiting. It’s important to be patient and not force food if your child is not ready to eat.

Rest and Comfort

Adequate rest is crucial for a child’s recovery from viral gastroenteritis. Ensure your child has a comfortable resting place and encourage them to take it easy until they feel better. Overexertion can lead to prolonged illness and delayed recovery.

To enhance comfort:

  • Provide a quiet, restful environment.
  • Keep your child in loose, comfortable clothing.
  • Use pillows or cushions to help them rest in a position that reduces nausea.

Ensuring that your child gets plenty of sleep can also help boost their immune system, aiding in a quicker recovery.

Medication and Medical Attention

While viral gastroenteritis usually resolves on its own, there are instances when medical attention is necessary. Antiemetic medications may be prescribed to help control severe vomiting. Additionally, if your child exhibits any of the following symptoms, seek medical help immediately:

  • High fever
  • Severe dehydration
  • Blood in vomit or stool
  • Persistent vomiting beyond 24 hours
  • Unresponsiveness or extreme irritability

Over-the-counter medications should only be used under the guidance of a healthcare professional, as some can exacerbate symptoms or be inappropriate for children.

Preventing Viral Gastroenteritis

Hygiene Practices

Good hygiene is the first line of defence against viral gastroenteritis. Encourage children to:

  • Wash hands frequently with soap and water, especially after using the restroom and before eating.
  • Avoid sharing utensils, cups, and food with others.
  • Practise good personal hygiene, including regular bathing.

Educating children on proper handwashing techniques can significantly reduce the spread of viruses. Using hand sanitizers when soap and water are unavailable is also an effective preventive measure.

Vaccination

In Singapore, the rotavirus vaccine is available and recommended for young children. This vaccine can significantly reduce the risk of severe gastroenteritis caused by rotavirus. Vaccination is a proactive measure that can protect your child and prevent the spread of the virus within the community.

Food Safety

Ensure that food is properly cooked and stored to prevent contamination. Teach children about the importance of eating food that has been safely prepared. This includes:

  • Washing fruits and vegetables thoroughly before consumption.
  • Ensuring that meat and seafood are cooked to the appropriate temperatures.
  • Avoiding raw or undercooked foods, particularly in young children.

Implementing good food safety practices at home can prevent not only viral gastroenteritis but also other foodborne illnesses.

Understanding the Singapore Context

Singapore’s tropical climate and urban living conditions can contribute to the spread of viral gastroenteritis. Public awareness and education campaigns by health authorities emphasise the importance of hygiene and vaccination. Schools and childcare centres in Singapore also play a vital role by implementing strict hygiene protocols and educating parents and children on preventive measures.

Expert Paediatric Care for Viral Gastroenteritis: Schedule a Consultation at Keystone Clinic & Surgery Now!

If your child is experiencing symptoms of viral gastroenteritis, such as vomiting, or if you need advice on managing the illness, consider consulting a healthcare professional. Keystone Clinic & Surgery offers comprehensive paediatric care and expert guidance to help manage and treat viral gastroenteritis in children. 

References

Nuh.com.sg. 2023. Viral Gastroenteritis (Children). https://www.nuh.com.sg/Health-Information/Diseases-Conditions/Pages/Viral-Gastroenteritis-(Children).aspx

Healthhub.sg. 2021. Viral Gastroenteritis in Children. https://www.healthhub.sg/a-z/diseases-and-conditions/viral_gastroenteritis_nuh

Nih.gov. 1991. Gastrointestinal Infections in Singapore Children. https://pubmed.ncbi.nlm.nih.gov/1883188/

Moh.gov.sg. Norovirus Gastroenteritis (Gastric Flu). https://www.moh.gov.sg/diseases-updates/norovirus-gastroenteritis-(gastric-flu)

Sfa.gov.sg. 2024. Norovirus (Vomiting Bug). https://www.sfa.gov.sg/food-information/risk-at-a-glance/norovirus-(vomiting-bug)