Stomach issues can be uncomfortable and disruptive, especially when you’re not sure whether you have food poisoning or the stomach flu. Both conditions share similar symptoms, such as nausea, vomiting, and diarrhea, but they are caused by different factors and require different treatments. In this blog, we’ll help you understand the key differences between food poisoning and the stomach flu, and how to tell them apart.
For same-day illness testing and treatment, visit the walk-in clinic at AFC Urgent Care Denver Park Hill. Our urgent care center is open 7 days a week and treats patients of all ages. Simply walk-in or plan your visit in advance by pre-registering below.
What Is Food Poisoning?
Food poisoning occurs when you consume food or drinks contaminated with harmful bacteria, viruses, parasites, or toxins. The most common causes of food poisoning are bacteria like Salmonella, E. coli, or viruses such as norovirus. These contaminants can cause a wide range of symptoms, depending on the type of pathogen involved. Food poisoning symptoms typically appear within hours after eating contaminated food, but can take up to 48 hours to show.
Symptoms of food poisoning can range from mild to severe and often include:
- Nausea and vomiting
- Diarrhea (sometimes bloody)
- Stomach cramps
- Fever (in some cases)
- Weakness or fatigue
In many cases, food poisoning resolves on its own within a day or two, although severe cases may require medical attention.
What Is The Stomach Flu?
The stomach flu, also known as gastroenteritis, is an infection of the stomach and intestines caused by a virus. The most common viruses responsible for gastroenteritis include norovirus and rotavirus. Unlike food poisoning, the stomach flu is highly contagious and can spread through contact with infected individuals, contaminated surfaces, or food and water.
The symptoms of the stomach flu are similar to those of food poisoning, including:
- Nausea and vomiting
- Diarrhea
- Stomach cramps
- Low-grade fever (in some cases)
The stomach flu usually lasts 1 to 3 days, although the virus can sometimes linger for up to a week. It’s important to stay hydrated during this time, as symptoms can lead to dehydration.
Key Differences Between Food Poisoning and Stomach Flu
While both conditions share common symptoms, there are several key differences to look out for:
1. Cause
- Food poisoning is caused by consuming contaminated food or drink.
- Stomach flu is caused by a viral infection, typically through close contact with infected individuals or contaminated surfaces.
2. Onset of Symptoms
- Food poisoning symptoms usually begin within hours after eating contaminated food, though they can take up to 48 hours to develop.
- Stomach flu symptoms typically appear within 1 to 3 days after exposure to the virus.
3. Duration
- Food poisoning usually lasts 1 to 3 days, but can be more prolonged in severe cases.
- Stomach flu typically lasts 1 to 3 days, though symptoms can persist up to a week.
4. Transmission
- Food poisoning is usually caused by ingesting contaminated food or beverages.
- Stomach flu is highly contagious and spreads from person to person through contact with infected surfaces, food, or water.
Get Walk-In Illness Testing & Treatment at AFC Urgent Care Denver Park Hill
Food poisoning and the stomach flu share many similarities, but they have distinct causes and characteristics. By understanding these key differences, you can better identify what you’re dealing with and take the appropriate steps for recovery. If you experience severe symptoms or are unsure of the cause, it’s always best to consult with a healthcare professional to ensure proper care and treatment. Come visit the walk-in clinic at AFC Urgent Care Denver Park Hill. Our board-certified medical team is here to provide the highest quality of care to all patients in the Denver, CO area seven days a week.
Our facility accepts most health insurance plans and offers low-cost options for self-paying patients. If you have any additional questions about the services we provide, please contact our team directly at (303) 639-1000.
