Banner
viruses in a glass display

Gastroenteritis (Stomach Virus): A Concierge Doctor’s Guide

Gastroenteritis, more commonly known as a stomach virus, is an inflammation of the stomach and intestines caused by infections or other factors like food allergies. It leads to symptoms such as diarrhea, vomiting, and stomach cramps. Early diagnosis and treatment are important in order to prevent complications, especially in children, the elderly, and pets.

Practicing good hygiene, staying hydrated, and making dietary adjustments can help manage symptoms and reduce the risk of recurrence. Being proactive with preventive measures is the best course of action to avoid the discomfort and risks associated with gastroenteritis.

What is Gastroenteritis (Stomach Virus)?

Have you ever experienced a sudden bout of diarrhea or vomiting occurring after a seemingly harmless meal?

If so, you may be dealing with gastroenteritis, commonly known as a stomach virus.

Gastroenteritis is an inflammation of the stomach and intestines, usually caused by a viral, bacterial, or parasitic infection. Often referred to as the stomach flu or gastric flu, gastroenteritis leads to symptoms like diarrhea, vomiting, and abdominal cramps.

What Are The Causes of Gastroenteritis?

The stomach flu can be caused by a wide range of factors.

Viral Gastroenteritis

Viral gastroenteritis is a common cause of stomach flu that is primarily caused by viruses, particularly norovirus and rotavirus. These viruses are highly contagious and can spread quickly through contaminated food, water, or close contact with an infected person.

This type of gastroenteritis is typically short-lived, but it can be quite intense. Typically, the symptoms of viral gastroenteritis can last from one to three days, but in some cases, it can last longer.

Human stomach with viruses and bacteria

Viral gastroenteritis treatment mainly involves managing symptoms, such as staying hydrated and resting. It’s important to follow good hygiene practices to prevent the spread of this infection, especially since the viruses are so easily transmitted.

Bacterial Gastroenteritis

Bacterial gastroenteritis occurs when harmful bacteria, such as E. coli, Salmonella, or Campylobacter, infect the stomach and intestines. These bacteria are often found in contaminated food or water, making foodborne illness a common source of bacterial gastroenteritis. Eating undercooked meat, unwashed vegetables, or consuming unpasteurized dairy products can increase your risk of infection.

Once inside the body, these bacteria multiply and produce toxins that irritate the digestive tract, leading to symptoms like diarrhea, abdominal pain, and vomiting. Infectious gastroenteritis and colitis caused by bacteria can range from mild to severe, depending on the type of bacteria and the person’s overall health.

It is critical to receive immediate treatment, including hydration and sometimes antibiotics, in order to keep symptoms under control and prevent complications. It is also very important to practice good food hygiene to help reduce the risk of bacterial gastroenteritis.

Parasitic Gastroenteritis

Parasitic gastroenteritis is caused by parasites like Giardia, Entamoeba histolytica, or Cryptosporidium, which infect the digestive system.1 These parasites are often found in contaminated water, undercooked food, or through direct contact with infected individuals. Once ingested, the parasites settle in the intestines, causing symptoms like diarrhea, stomach cramps, and bloating.

Parasitic infections regularly occur in areas with poor sanitation or in regions where water sources are not properly treated. They can also spread in environments where personal hygiene is lacking, such as in crowded living conditions or during travel to areas with lower sanitation standards. Early detection and treatment, usually with antiparasitic medications, are important to manage the symptoms and prevent the infection from spreading to others.

Non-infections Causes

Not all gastroenteritis cases are caused by infections. Noninfective gastroenteritis and colitis can occur due to factors like food allergies, certain medications, or underlying conditions such as Crohn’s disease or irritable bowel syndrome (IBS). 

Food allergies can trigger an immune response in the digestive system, leading to symptoms like diarrhea, nausea, and stomach cramps. Medications, particularly nonsteroidal anti-inflammatory drugs (NSAIDs) and antibiotics, can irritate the stomach lining or disrupt the gut’s natural balance.

Stomach Flu IV Treatment with Concierge MD

Recover Faster with Stomach Flu IV Therapy! Our tailored treatment will rehydrate and relieve your symptoms quickly, helping you feel better in no time.

What Are The Symptoms of Gastroenteritis?

The symptoms of gastroenteritis can be very unpleasant and disruptive to everyday life. The most common signs of gastroenteritis include diarrhea, which can be frequent, and may result in dehydration if not managed properly. Vomiting is another common symptom, usually occurring shortly after the onset of the illness and often lasting for a day or two. Many people also experience abdominal pain and cramps, which can range from mild discomfort to severe pain.

The symptoms of gastroenteritis usually appear suddenly and can vary in intensity depending on the cause and the individual’s overall health. It’s very important to stay hydrated and get immediate medical advice if symptoms persist or worsen.

Severe Symptoms

In some cases, gastroenteritis can lead to severe symptoms that require immediate medical attention. One of the most serious concerns is dehydration, which can occur quickly due to excessive diarrhea and vomiting. Signs of dehydration include extreme thirst, dry mouth, dark urine, and dizziness.

Another severe symptom is a high fever, which could indicate a more serious infection or complication. Additionally, the presence of bloody stools is a warning sign of hemorrhagic gastroenteritis, a more dangerous form of the condition. Hemorrhagic gastroenteritis treatment often requires hospitalization and intensive care, especially in severe cases.

This condition is not only a concern for humans but also for pets. Hemorrhagic gastroenteritis in dogs can cause blood in stool, or stool with a distinct red color. If you notice any of these severe symptoms in yourself or your pet, it is critical to seek medical or veterinary care immediately to prevent further complications.

Symptoms in Different Populations

Gastroenteritis can affect different populations in unique ways. In children, the condition often presents with more severe symptoms like frequent vomiting, diarrhea, and dehydration. Gastroenteritis in children can lead to rapid fluid loss, making it essential to monitor their hydration closely and seek medical care if symptoms continue.

For adults, gastroenteritis symptoms may include diarrhea, abdominal cramps, and general weakness. While adults may recover more quickly, those with weakened immune systems or chronic health conditions should be particularly cautious and may require additional medical attention.2

In pets, gastroenteritis in cats can show up as vomiting, diarrhea, and loss of appetite. Dog hemorrhagic gastroenteritis is especially concerning, where symptoms may include bloody stools or severe dehydration. It’s important to get veterinary care immediately if your pet exhibits these symptoms.

How Is Gastroenteritis Diagnosed?

Diagnosing gastroenteritis typically begins with a thorough medical history and physical examination. Your healthcare provider will ask about your symptoms, recent travel, and any potential exposure to contaminated food or water. During the physical examination, they will check for signs of dehydration, abdominal pain, and other related symptoms.

If you are unable to visit a doctor in person, many providers offer telemedicine consultations where you can discuss your symptoms and receive initial guidance remotely. This option is very helpful if you need quick advice or are too unwell to travel.

Laboratory Tests

If symptoms persist or are severe, laboratory tests may be required for a more accurate diagnosis. A Comprehensive Stool Profile is often conducted to identify the specific pathogens that are causing the infection. This test helps pinpoint the exact cause, whether it’s viral, bacterial, or parasitic.

Blood tests might also be ordered to check for signs of dehydration or inflammation. Accurate diagnosis is crucial for appropriate treatment and is recorded using standardized codes like gastroenteritis ICD 10, ICD 10 code for gastroenteritis, or ICD 10 code for acute gastroenteritis.

What Are The Treatment Options for Gastroenteritis?

Home Remedies

When dealing with gastroenteritis, simple home remedies can be very effective in managing symptoms and speeding up recovery. The most important steps are rest and hydration. Your body needs time to ward off the infection, so getting plenty of rest is crucial. Staying hydrated is equally important, as diarrhea and vomiting can lead to rapid fluid loss. Drink water, sip on clear broths, or oral rehydration solutions to keep your fluids up.

Dietary adjustments can also help. The BRAT diet—bananas, rice, applesauce, and toast—is a commonly recommended home remedy for stomach flu. These foods are gentle on the stomach and can help firm up stools, reducing diarrhea. For toddlers, home remedies for gastroenteritis should be similar, focusing on hydration and easy-to-digest foods. Knowing how to treat gastroenteritis with these simple steps can help you or your child recover from gastroenteritis quickly.

Medical Treatments

When managing gastroenteritis, both over-the-counter medications and prescription options can provide relief. Over the counter stomach flu medicine like loperamide (Imodium) is commonly used to reduce diarrhea, while antiemetics like dimenhydrinate (Dramamine) can help control nausea. These gastroenteritis medications over the counter are widely available and offer quick symptom relief.

In more severe cases, prescription medications may be necessary. Antibiotics are prescribed if the gastroenteritis is caused by bacteria, while antiparasitic drugs are used for parasitic infections. For those at risk of dehydration, especially children and the elderly, your doctor might recommend intravenous fluids. It’s essential to consult a healthcare provider to determine the most appropriate gastroenteritis medications based on your symptoms and the underlying cause.

Supportive Therapy

Gastroenteritis supportive therapies focus on maintaining hydration and restoring electrolyte balance. When dehydration becomes a concern, IV fluids are often necessary to quickly replenish lost fluids and electrolytes. Our Stomach Flu IV is a specialized treatment designed to deliver essential hydration and medications directly into your bloodstream, providing fast relief from the symptoms of gastroenteritis.

Also, oral electrolyte solutions can help maintain the body’s electrolyte balance during recovery.3 These treatments are crucial in managing the effects of gastroenteritis, especially when vomiting or diarrhea is severe and prolonged.

Treatment for Pets

When treating gastroenteritis in dogs and cats, a combination of home care and veterinary guidance is essential. For mild cases, gastroenteritis home treatment for cats and dogs often involves providing plenty of water to prevent dehydration and offering a bland diet, such as boiled chicken and rice for dogs or plain cooked chicken for cats. These gentle foods help soothe the digestive system and are ideal for recovery.

If symptoms continue, worsen, or include vomiting and diarrhea, it is recommended to seek  veterinary care. A vet may prescribe medications or fluids to manage the condition and speed up recovery. Understanding that gastroenteritis recovery time is important; and most pets begin to improve within a few days with proper care. Always consult your vet if you are unsure about home treatments or if your pet’s condition doesn’t improve.

How to Prevent Gastroenteritis?

Hygiene Practices

Maintaining good hygiene is key to helping prevent gastroenteritis. Regular hand washing with soap and water, especially before eating or preparing food, is one of the most effective ways to reduce the risk of infection. Safe food handling is also crucial; always cook meat thoroughly, wash fruits and vegetables, and avoid cross-contamination between raw and cooked foods. Also, knowing what to eat and following a safe gastroenteritis diet can help minimize exposure to harmful pathogens.

Vaccination

Another effective method to help prevent gastroenteritis are vaccinations, especially in young children. The rotavirus vaccine is specifically designed to protect against rotavirus, one of the most common causes of severe gastroenteritis in infants and young children. Administered as part of routine childhood immunizations, this vaccine significantly reduces the risk of hospitalization and severe illness. Ensuring your child is up-to-date on their vaccinations is a vital first step in protecting them from gastroenteritis and its potential complications.

Travel Precautions

When traveling, especially to areas with different sanitation standards, it’s important to take precautions to avoid gastroenteritis. Always drink bottled or purified water and avoid ice made from tap water. Stick to well-cooked foods and avoid raw or undercooked meats, seafood, and unpeeled fruits and vegetables.

Conclusion

Gastroenteritis is a common but often preventable illness that can cause significant discomfort. Understanding its causes, recognizing symptoms early, and seeking timely treatment are crucial for a quick recovery. Early diagnosis and appropriate treatment can help prevent complications, especially in vulnerable populations like children and the elderly.

Practicing good hygiene, staying up-to-date on vaccinations, and taking precautions while traveling are key preventive measures. By being proactive, you can significantly reduce your risk of contracting gastroenteritis and ensure a healthier, gastro-free life.

FAQs about Gastroenteritis

How long does gastroenteritis last?

Gastroenteritis typically lasts between one to three days, but symptoms can sometimes last longer. The exact duration depends on the cause and the individual’s overall health. If you are concerned about the duration of gastroenteritis symptoms, it is important to monitor your symptoms and get medical advice if they continue beyond a week.

What is the cause of gastroenteritis?

The most common causes of gastroenteritis include viral infections, bacterial contamination, and, less frequently, parasitic infestations. These pathogens can be ingested through contaminated food, water, or direct contact with an infected person. What causes gastroenteritis in dogs is similar, usually stemming from food or infections.

How can I recover from gastroenteritis quickly?

Focus on rest, hydration, and a bland diet like the BRAT diet. Over-the-counter medications can help manage symptoms, but if symptoms persist or worsen, it’s important to consult a healthcare provider for further treatment options.

How contagious is gastroenteritis?

Gastroenteritis is highly contagious, especially when caused by viruses like norovirus or rotavirus. It spreads easily through contact with contaminated surfaces, food, water, or close contact with an infected person. Practicing good hygiene is important to prevent the spread of the illness.

Stomach Flu IV Treatment with Concierge MD

Recover Faster with Stomach Flu IV Therapy! Our tailored treatment will rehydrate and relieve your symptoms quickly, helping you feel better in no time.

References

[1] Braseth AL, Elliott DE, Ince MN. Parasitic Infections of the Gastrointestinal Track and Liver. Gastroenterol Clin North Am. 2021 Jun;50(2):361-381. doi: 10.1016/j.gtc.2021.02.011. PMID: 34024446; PMCID: PMC11095845.

[2] Haessler S, Granowitz EV. Norovirus gastroenteritis in immunocompromised patients. N Engl J Med. 2013 Mar 7;368(10):971. doi: 10.1056/NEJMc1301022. PMID: 23465122; PMCID: PMC4793940.

[3] Aghsaeifard Z, Heidari G, Alizadeh R. Understanding the use of oral rehydration therapy: A narrative review from clinical practice to main recommendations. Health Sci Rep. 2022 Sep 11;5(5):e827. doi: 10.1002/hsr2.827. PMID: 36110343; PMCID: PMC9464461.



Experience Care with ConciergeMD

ConciergeMD offers coverage throughout the United States.