Can you get influenza a twice in a month? A GP’s take!
Written by Dr Nelson Lau, MBBS FRACGP, GP & Digital Health Specialist.

Contents

The answer, like most things in medicine, isn't a simple yes or no. Let's break it down.
Can you get the flu again after just having it?
Technically, yes. While your body does build up immunity to the specific strain of flu you've just battled, there's more than one strain circulating at any given time.Experiencing these symptoms? Speak with a doctor within 15 minutes.
Can you get the same strain of flu twice?
It's less likely, but still possible. Your immune system is usually pretty good at remembering its enemies. However, the flu virus is a master of disguise, constantly mutating and changing its appearance. This means that even if you encounter the same strain again, it might have changed just enough to slip past your body's defences.Can influenza come back after a week?
Sometimes what seems like a second bout of flu is actually just a lingering case of the first one. The flu can be a real bully, sticking around for longer than you'd like and even bringing some of its friends along, like a secondary bacterial infection. This can make you feel like you've been hit by a bus twice, but it's not technically a new flu infection.How long are you contagious with influenza A?
You're most contagious in the first 3-4 days of your illness, but you can still spread the virus for up to a week after your symptoms start. This is why it's so important to stay home and rest when you're feeling unwell to prevent the spread of the virus to your close contacts.Is flu A or B worse?
Both can make you feel pretty miserable, but Flu A tends to be the more aggressive sibling, causing more severe symptoms and complications. However, Flu B can still pack a punch, and both can potentially make you significantly unwell.Can you still get the flu after vaccination?
Yes, unfortunately. The flu vaccine is like a wanted poster for your immune system, showing it what to look out for. But sometimes, a new strain pops up that wasn't on the poster, or the virus changes its appearance just enough to evade detection. However, even if you do get the flu after having the vaccine, your symptoms are likely to be milder. Think of it as your immune system having a head start in the fight.What about children?
Children's immune systems are still developing, making them more susceptible to catching the flu multiple times in a season. They're also more likely to spread the virus, as any parent who has navigated a nursery or school flu outbreak can attest.Home remedies to try
While there's no magic cure for the flu, there are things you can do to ease your symptoms and support your body's fight. These include:- Rest: Your body needs all its energy to fight the virus, so give it a break!
- Fluids: Stay hydrated to help flush out toxins and prevent dehydration.
- Over-the-counter relief: Paracetamol or ibuprofen can help reduce fever and aches.
- Soothing remedies: Honey and lemon can soothe a sore throat, and a warm bath can help ease muscle aches.
What's the best way to build up immunity against the flu?
The flu vaccine is your best bet, but a healthy lifestyle can also give your immune system a boost. This includes:- Eating a balanced diet: Fuel your body with the nutrients it needs to stay strong.
- Regular exercise: Get your blood pumping and your immune cells moving.
- Plenty of sleep: Aim for 7-9 hours of quality sleep each night.
- Stress management: Chronic stress can weaken your immune system.
When to consult a doctor?
While most people recover from the flu at home, it's important to seek medical advice if:- Your symptoms are severe or not improving after a week.
- You have underlying health conditions.
- You develop difficulty breathing or chest pain.
- You are concerned about your child's health.
How can telehealth help?
Telehealth services can be a convenient way to access medical advice without leaving home, especially when you're feeling unwell. You can discuss your symptoms with a doctor, get advice on managing them, and also get a prescription if needed.Get a telehealth consultation with Hola, certified by Australian-registered GPs in under 15 minutes, available 24/7, including weekends and public holidays, and delivered straight to your phone. Consult a doctor from the comfort of your home in four easy steps:
- Head to online doctor consultation. Choose your appointment type and fill in the details
- Add payment information
- Talk to a doctor within 15 minutes
- Receive your medical certificate, referral or online scripts instantly via email or SMS
In conclusion, while it's possible to get the flu twice in a month, it's not necessarily common. The flu virus is a tricky customer, but by understanding how it works and taking steps to protect yourself, you can reduce your risk and navigate flu season with confidence. Remember, your GP is always there to provide advice and support, whether in person or via telehealth. So, stay vigilant, stay healthy, and don't let the flu get the better of you.
Need time off to recover? Get your medical certificate online within 15 minutes.
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This content is created for informational purposes only. 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.
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Get affordable healthcare on your terms, with quick access to qualified, Australian-registered telehealth doctors & health practitioners, 24/7, 365 days a year. No more searching for ‘doctors near me‘ – Hola connects you instantly.
Address: 79 St Georges Terrace, Perth WA 6000
For urgent medical help & in case of emergency,
call 000.
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