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Does the Flu Cause an Upset Stomach? Signs Your Nausea Cough is Contagious & When to Seek Medical Treatment for Your Symptoms

The flu, or influenza, is a common seasonal illness that affects millions every year. While most people associate it with fever, body aches, and fatigue, some also experience digestive symptoms such as nausea, vomiting, or diarrhea. These symptoms can be confusing, as they overlap with other illnesses like food poisoning or stomach viruses. Understanding whether the flu can cause an upset stomach, recognizing when your cough and nausea might be contagious, and knowing when to seek medical attention are essential for protecting your health and the health of those around you.

If you’re feeling under the weather, walk into AFC Urgent Care North Waltham. Our walk-in urgent care clinic provides same-day illness care to patients of all ages, all without having to schedule an appointment in advance. Simply walk in when it’s convenient, or save your spot online in advance below.

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Does the Flu Cause an Upset Stomach?

Although influenza primarily affects the respiratory system, specific strains, especially in children, can cause gastrointestinal symptoms. Adults are less likely to experience vomiting or diarrhea directly from the flu, but nausea and mild stomach discomfort can occur. These symptoms are usually temporary and resolve within a few days as the body fights the infection. However, it’s important to note that severe or persistent stomach issues may indicate a different underlying condition, such as gastroenteritis, and should be evaluated by a healthcare professional.

Common Flu Symptoms

The flu can cause serious illness symptoms, even for healthy adults. Symptoms typically have a rapid onset and can last anywhere from a few days to over a week. While the flu primarily affects the respiratory system, it can also have full-body effects. Common flu symptoms include:

  • Sudden onset of fever and chills
  • Cough 
  • Congestion 
  • Runny or stuffy nose
  • Fatigue and body aches
  • Headache 
  • Body aches 
  • Vomiting 
  • Nausea 
  • Diarrhea

Treatment Options for the Flu

If you suspect you have the flu, you should seek medical care. Early diagnosis can help you effectively manage your symptoms and prevent the spread of the flu to others. There is no medication available to treat the flu for most cases. Instead, treatment focuses on rest and managing symptoms while your body fights off the infection on its own.

Prevention is key to the flu season. Getting your annual flu vaccine greatly reduces the likelihood that you will experience severe symptoms if you contract the flu, as well as proper hygiene like handwashing and sanitizing surfaces.

Visit AFC Urgent Care North Waltham for Walk-In Flu Care 

Understanding the link between flu and stomach upset, recognizing contagious symptoms, and knowing when to seek medical attention is crucial for your health and the safety of those around you. If you suspect that you have the flu, acting early not only supports faster recovery but also protects your family and community from potential flu outbreaks.

At AFC Urgent Care North Waltham, we offer same-day flu diagnosis and treatment for patients in Waltham, MA. Our clinic is open 7 days a week from 8am to 8pm, and we accept walk-ins. We accept most medical insurance plans, and have affordable rates for patients paying out-of-pocket for their medical care. To learn more, walk into the clinic or give us a call at (781) 701-0900.

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Call 781-701-0900 for more information about our North Waltham urgent care services.