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Coronavirus or just a cold? How to tell the difference

Published: (Updated: ) in Australian News by .

The coronavirus has infected more than 100,000 people worldwide. Here’s how to tell the difference between coronavirus symptoms, the flu or allergies.

The coronavirus has infected more than 100,000 people worldwide. With all of the news of event cancellations, empty flights and health precautions, it's natural that people may get a little anxious every time they feel a tickle in their throat or the beginnings of a bad cough.

While the coronavirus is certainly something to take seriously, the chances of any individual person getting it are still low.

Women wear masks as they exit the Metro subway at George Washington University in Washington, Wednesday, March 11, 2020.

But if you're wondering whether that stuffy nose could end up being a worst case scenario, CNN talked to Dr Greg Poland, a professor of medicine and Infectious diseases at the Mayo Clinic and director of the Mayo Clinic's Vaccine Research Group, about the differences between typical allergy, cold and flu symptoms, and ones associated with the coronavirus.

Itchy eyes? Runny nose? You probably have allergies — or a garden variety cold

"The issue with seasonal allergies is that they affect the nose and eye," Dr Poland said. "They tend to be nasal, and most symptoms are localised to the head, unless you also experience a rash."

Coronavirus and flu symptoms tend to be more systemic

That is, they affect the whole body.

"The flu and the novel coronavirus, these affect other systems and the lower respiratory tract, Dr Poland said.

A man wearing a mask as a precautionary measure against the spread of the new coronavirus gets his temperature taken.

"You probably won't have a runny nose, but what you might have is a sore throat, a cough, a fever or shortness of breath. So it's a subtly different clinical diagnosis."

Pay attention to your temperature: Dr Poland said it's very unlikely that allergies would result in a fever.

They usually don't cause shortness of breath either, unless you have a pre-existing condition like asthma.

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Allergy symptoms are regularly occurring, and usually mild

Dr Poland said if you've had the same symptoms around the same time, year after year, you're probably experiencing seasonal allergies. In that case, over the counter medication and other regular health precautions will help you feel better.

Coronavirus and flu symptoms can put you out of commission

"If you have an acute case of coronavirus or flu, you will feel so tired, so achy, you'd basically be driven to bed. Everybody would see the difference," Dr Poland said.

"Allergies may make you feel tired, but they're not going to cause severe muscle or joint ache."

Coronavirus and influenza is likely to cause extreme exhaustion.

Cold and mild flu symptoms usually resolve themselves but coronavirus and acute flu symptoms could get worse over time

With normal illnesses, you'll start feeling better with rest and proper care within a few days (unless you are elderly or have other health conditions, in which case even mild illnesses may take longer to pass).

If you have a nasty case of the flu or coronavirus, you may get worse when you expect to get better. This is a sure sign to seek medical care.

"What would increase the suspicion of coronavirus would be if you were short of breath," Dr Poland said.

"People can also develop pneumonia from the flu, which has a similar presentation, so either way you're going to want to seek medical attention."

Early symptoms of allergies, cold, flu and coronavirus could be similar

Unfortunately, Dr Poland said, the initial stages of colds, flus and the coronavirus can be very similar, and some coronavirus and flu cases can be so mild they don't raise any red flags. That's why you have to pay attention to see if your symptoms persist, especially if you are in an at-risk group.

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Hand hygiene has been emphasised as one of the most effective methods to prevent infection.

"We're worried about older people, people with asthma or other lung diseases, people with heart disease or diabetes, and also pregnant women," Dr Poland said.

Coronavirus cases usually have some context

So you think you have the coronavirus. Dr Poland said any doctor is bound to ask you some contextual questions, like:

Have you travelled recently, and if so, where?

Have you had anybody in your home or had a workmate or schoolmate who's travelled? Where did they go?

Have you had anybody in your home from areas where the outbreak is most concentrated?

Have you been on a cruise ship?

Do you live near an area where there's an outbreak?

"You're like a detective, trying to accept and put together pieces of data," Dr Poland said.

It may sound harsh, but the current availability of testing, treatment and proper response to the virus doesn't accommodate vague inclinations.

"If you're worried, call in to your physician," Dr Poland said. " Describe your symptoms and they'll make a decision. You can't test everybody and you can't test anybody repeatedly."

This is also an opportunity to do some critical thinking before you race for a diagnosis.

"You would take that next step if your suspicion increases," Dr Poland said.

Just because it isn't the coronavirus, doesn't mean it isn't serious

Yes, the coronavirus may have a comparatively higher death rate, but Dr Poland also points out the more people that are infected, the more likely it is the infection will spread to others.

Travelers at Seattle-Tacoma International Airport wear masks Tuesday, March 3, 2020.

This means even with the statistical difference in death rates, the flu is more prevalent and far more likely to be a problem for the average person.

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"When you have 30 million infected, it's easy to infect that next 10 million," Dr Poland said.

The bottom line

While taking precautions to prevent the spread of the coronavirus is important, you may need to live with some uncertainty when it comes to the general health anxieties it inspires.

It's up to you to stay vigilant, take into account your medical history, monitor any symptoms and think critically about whether your specific situation puts you at risk.

Source: 9News

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