Why ‘Summer Flu’ Is Not Actually A Flu?
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Claude This blog is for educational purposes only and does not replace professional medical advice or diagnosis. If you have health concerns, consult an AHPRA-registered telehealth GP or request a medical certificate online if clinically appropriate.
Overview
The hot summer day outside reaches 30°C while you rest on the couch with throat pain and head pain and body discomfort. Your first thought when you get sick during summer becomes "How did I end up with the flu?" Many Australians experience what they call the “summer flu.” The influenza virus does not cause this condition which people refer to as summer flu. The summer flu symptoms resemble influenza but they stem from different viral agents and environmental factors that thrive during hot months.What is ‘Summer Flu’
People use the term "summer flu" to describe their flu-like symptoms which appear unexpectedly during summer months. The symptoms include:- A sore, scratchy throat
- A runny or stuffy nose
- Headaches and body aches
- General fatigue and feeling rundown
- A occasional cough or sneezing
Causes of ‘Summer Flu’
The symptoms you experience do not stem from influenza because your body has contracted a different viral infection. The symptoms you experience stem from different viral infections which operate during summer months and from non-infectious conditions.- Common Cold Viruses: The viruses which cause winter colds also spread throughout the entire year. The viruses responsible for cold and flu symptoms affect people throughout every season of the year.
- Enteroviruses: The viruses reach their highest numbers during summer months and autumn season. The viruses trigger various health issues which start as basic cold symptoms before progressing into severe fever and body pain that resembles influenza.
- Allergies (Hay Fever): The summer season brings peak pollen levels from grasses and other plants. When people breathe in pollen allergens their bodies trigger an allergic reaction which produces nasal discharge and eye irritation and headaches and extreme tiredness.
- Environmental Factors: The operation of air conditioning systems during the summer heat leads to nasal passage drying which makes people more vulnerable to viral infections. The summer heat causes dehydration which produces headaches and fatigue that worsen your overall condition.
Summer Flu Symptoms Differ from Actual Flu Symptoms in Several Ways
The main distinction between summer flu and actual flu emerges from the specific viral agent and the severity of symptoms. The following table shows a brief comparison between these two conditions.| Feature | Summer Flu (Usually a Bad Cold/Other Virus) | Real Influenza |
| Onset | Gradual | Sudden and severe |
| Fever | Less common, usually mild | Common, often high (38°C+) |
| Body Aches | Mild to moderate | Often severe, "hit by a truck" feeling |
| Fatigue | Tiring, but often manageable | Profound exhaustion, can last weeks |
| Respiratory Symptoms | Runny nose, sore throat, sneezing | Dry cough, sore throat are common |
Home Treatment
Most summer viruses are viral so antibiotics will not provide any benefit. Your body needs rest to fight off the infection so you should follow its signals to take a break.- Rest Up: Your body needs energy to fight off the infection. Listen to it and slow down.
- Hydrate, Hydrate, Hydrate: Drink plenty of water and herbal teas and broth throughout the day. The hot weather requires you to drink more fluids.
- Soothe Your Throat: Gargle with warm salt water or sip on honey and lemon in warm water.
- Ease Discomfort: Over-the-counter pain relievers such as paracetamol and ibuprofen help patients relieve their headaches and body pain.
Consult an AHPRA-registered practitioner online, anytime
Consult NowAvailable 24/7 across Australia
Preventing Summer Flu
- Wash your hands often : Good old soap and water still works best. It helps stop viruses spreading, especially after being out in public or using public transport.
- Stay hydrated and well-rested : Hot weather can run you down, making infections more likely. Plenty of water and good sleep keep your immune system strong.
- Keep your distance if someone’s unwell : Even “summer bugs” spread the same way as winter flu through droplets. Avoid close contact if someone has a cough, fever, or runny nose.
- Practise good hygiene at the beach and pool : Shared areas like change rooms can carry germs. Bring your own towel and avoid touching your face until you’ve washed your hands.
- Consider a flu vaccine if you’re at higher risk : Flu season peaks in winter but cases can still pop up anytime. Some Aussies benefit from year-round protection so check with your GP.
When to See a Doctor
- If symptoms are severe or not improving : High fever, chest pain, trouble breathing, or symptoms lasting more than a few days should be checked by a GP.
- If you have a chronic condition : Asthma, pregnancy or immune issues can make infections riskier. It’s better to speak to a doctor early.
- If you’re unsure whether it’s flu, COVID-19, or allergies : Symptoms can overlap, so getting proper medical advice can help you recover faster and avoid complications.
How Hola Health may be able to help
Hola Health is an Australian telehealth platform that connects you with registered doctors and nurse practitioners - from the comfort of your home, at a time that suits you. Depending on your situation, a Hola Health clinician may be able to help with:
- 24/7 General medical advice via telehealth doctor consult - talk through symptoms or health concerns with a registered doctor or medical practitioner.
- Medical certificate online - for work or personal leave, when clinically appropriate
- Referrals to specialists - or in-person services when needed
- Online prescriptions - at a clinician's discretion and where clinically suitable.
- Pathology or imaging requests - when assessed as appropriate by your treating clinician.
- Mental health Care Plan - Mental Health Treatment Plans (referral to your regular GP may be recommended for ongoing care).
Hola Health clinicians are AHPRA-registered Doctors and medical practitioners in Australia. They will always recommend an in-person consultation, specialist referral, or emergency care if that is in your best interest.
Note: Telehealth is not suitable for all conditions. Hola Health does not replace your regular GP, specialist, or emergency services. If you are unsure whether telehealth is right for your situation, we recommend speaking with your usual healthcare provider. In emergencies, call 000.
FAQ
Can you get real flu in summer in Australia?
Yes, you can. While flu peaks in winter, cases still appear year-round especially with travel, crowded events, and changing weather.How long does summer flu last?
Most people start feeling better in 3–7 days, but fatigue and cough can hang around a bit longer.Is summer flu contagious?
Absolutely. It spreads the same way as winter flu, through coughing, sneezing, and close contact. You’re most contagious in the first few days.Can allergies cause flu-like symptoms?
Yes. Hay fever can cause sneezing, blocked nose, watery eyes, and tiredness. But allergies usually don’t cause fever, which helps tell them apart from flu or infection.When should I see a doctor for flu symptoms in summer?
See a GP if your symptoms are severe, last more than a few days, you have trouble breathing, or you’re in a higher-risk group (pregnant, elderly, chronic illness).Consult an AHPRA-registered practitioner online, anytime
Consult NowAvailable 24/7 across Australia
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Disclaimer
This blog is for general informational purposes only and does not indicate that Hola Health provides all treatments or preventive measures mentioned. It is not intended to be a substitute for professional medical advice. Always seek the guidance of your doctor or other qualified health professional with any questions you may have regarding your health or a medical condition. For emergencies please immediately contact 000. Any medical topics discussed are intended to educate, not to imply availability through Hola Health. Hola Health's telehealth services facilitate access to AHPRA-registered healthcare professionals in Australia; however, a telehealth consultation is not equivalent to an in-person medical examination. Telehealth may not be appropriate for all conditions, symptoms, or circumstances.