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What are the Symptoms of Flu?
Common Symptoms
Flu symptoms in the United Kingdom are typically similar to those experienced globally. Common symptoms include:
- High fever (38°C or higher)
- Chills and sweats
- Headache
- Persistent dry cough
- Muscle and joint aches and pains
- Sore throat
- Runny or stuffy nose
- Severe fatigue and tiredness
Gastrointestinal Symptoms
While less common, some individuals in the UK who contract the flu may experience gastrointestinal symptoms such as:
- Nausea
- Vomiting
- Diarrhoea
Duration of Symptoms
Typically, flu symptoms last for about a week, though the fatigue and cough can persist for a couple of weeks more. It’s important to rest and stay hydrated during this period to aid recovery.
When to Seek Medical Help
In most cases, the flu will resolve without medical intervention. However, it is important to seek medical help if you experience severe symptoms such as:
- Difficulty breathing or shortness of breath
- Chest pain or pressure
- Sudden dizziness or confusion
- Severe or persistent vomiting
- Flu-like symptoms that improve but then return with a fever and worse cough
High-risk groups, including young children, elderly individuals, pregnant women, and those with pre-existing health conditions, should be especially vigilant and seek professional advice if they suspect flu infection.
Preventing Flu
To reduce the risk of contracting the flu, the NHS recommends annual flu vaccinations, especially for high-risk groups. Additionally, maintaining good personal hygiene, such as frequent handwashing, and avoiding close contact with infected individuals can help prevent the spread of the virus.
Frequently Asked Questions
What are common flu symptoms?
Common flu symptoms include fever, chills, cough, sore throat, runny or stuffy nose, muscle or body aches, headaches, and fatigue.
How can I differentiate between flu and a common cold?
Flu symptoms tend to come on suddenly and are more severe, such as high fever and body aches, while common cold symptoms develop gradually and are usually milder.
Is it normal to have gastrointestinal symptoms with the flu?
Yes, although less common, some people, particularly children, may experience nausea, vomiting, or diarrhoea with the flu.
Can the flu cause a sore throat?
Yes, a sore throat is a common symptom of the flu.
Will I always have a high fever with the flu?
Not always, but many people with the flu will experience a high fever, often above 38°C.
Is a cough a symptom of the flu?
Yes, a cough is a common symptom of the flu and can be persistent and dry.
What kind of headaches occur with the flu?
Headaches associated with the flu tend to be severe and can be felt across the entire head.
Can I have the flu without a fever?
Yes, it is possible to have the flu without a fever, but it is less common.
Are body aches a sign of the flu?
Yes, muscle or body aches are a common symptom and can be quite severe.
How long do flu symptoms typically last?
Flu symptoms usually last for about one to two weeks but can occasionally persist longer.
Should I be concerned if I have difficulty breathing with the flu?
Yes, difficulty breathing can be a sign of a serious complication and you should seek medical attention immediately.
Can fatigue from the flu be severe?
Yes, fatigue can be severe with the flu and may last for several weeks even after other symptoms have subsided.
Is it typical to lose appetite when you have the flu?
Yes, loss of appetite is a common symptom of the flu.
Can the flu cause chest discomfort?
Yes, you may experience chest discomfort or even chest pain due to persistent coughing and inflammation.
Should I see a doctor if I suspect I have the flu?
If you are at high risk for complications, such as being very young, elderly, pregnant, or having underlying health conditions, you should seek medical advice. For most healthy individuals, rest and supportive care at home are usually sufficient.
Useful Links
Useful links from: Flu can be fatal
- NHS - Flu Comprehensive information on flu including symptoms, causes, diagnosis, treatment, and prevention provided by the UK's National Health Service.
- NHS - Flu vaccine Detailed guidance on the flu vaccine, who should get it, and why it's important to prevent serious flu-related complications.
- British Lung Foundation - Influenza Resources and support for individuals with lung conditions to understand the impacts of flu and how to stay protected, provided by the British Lung Foundation.
- Asthma UK - Flu (influenza) Advice for those with asthma on how to manage flu, potential complications, and the importance of vaccination, provided by Asthma UK.
Useful links from: Symptoms of flu (influenza)
- NHS - Flu NHS page providing comprehensive information on flu symptoms, causes, diagnosis, treatment, and prevention.
- British Lung Foundation - Flu British Lung Foundation's guide to flu, its symptoms, and how it can affect those with lung conditions.
- Patient.info - Flu Symptoms Patient.info's detailed leaflet on influenza, covering symptoms and treatment options.
- Asthma UK - Flu and People with Asthma Asthma UK's advice for people with asthma regarding flu symptoms, prevention, and management.
Useful links from: Treating flu (influenza)
- NHS - Flu Treatment Official NHS page providing comprehensive information on symptoms, causes, treatments, and prevention of flu (influenza).
- NHS - How to Treat Flu NHS guide detailing practical advice on treating flu at home, including rest, hydration, and medication.
- British Lung Foundation - Understanding Flu Information from the British Lung Foundation on managing flu, particularly for individuals with pre-existing lung conditions.
- Patient.info - Flu Patient.info's comprehensive guide on flu, including symptoms, treatment options, and prevention tips.
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