Do you burn more calories when sick: 3 Facts You Need to Know

Ever wondered do you burn more calories when sick? Well in this article I am going to answer that question to you.

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Do you burn more calories when sick | Sick girl

Do you burn more calories when sick? Here are 3 facts about it

So do you burn more calories when sick? Well here are 3 facts that guide you about it.

Fact #1:

Your body employs a fever as a tool to strengthen its immunological response, and a higher body temperature requires burning more calories.

This increases the basal metabolic rate of your body (BMR). So, indeed, having a fever causes you to burn more calories.

There may be several reasons why having a fever causes you to burn more calories and lose weight, including that you could feel less hungry and lose water as a result.

Additionally, the immunological reaction will cause other bodily functions to be intensified, which might result in an additional few calories being used.


One is the fact that a cold frequently affect your ability to eat. You could consume much fewer calories while you’re ill if you just eat when you’re hungry and feel like it.

This frequently results in brief weight loss when sick.

Additionally, some calories may be burned off when fighting a cold. Since the body temperature is not being elevated systemically, there isn’t as much more work to be done as there would be in a fever, but there is still some extra work to be done (such as the proliferation of white blood cells), and those extra activities will take some extra calories.


The body starts to burn calories more quickly. The pace of chemical reactions is also accelerated by elevated body temperature.

Additionally, a higher body temperature renders germs and viruses unwelcome in the body’s internal environment. If there is no fever, the body is busy utilizing proteins to make white blood cells and antibodies.

Because the body seeks to starve the foreign invaders, you can occasionally lose your appetite. Do not panic, though; the typical person possesses 30 days’ worth of fat that the body can utilize as fuel.

You don’t eat as much in the summer when it’s hot because your body strives to stay cool. Your body attempts to stay warm in the cold by raising its internal temperature.

Also, you might start questioning that do you burn more calories when you are fighting a virus when you are ill?

In general, having an illness does cause you to burn more calories. The body increases metabolism and starts a series of metabolic changes as a reaction to disease and infection, which help to keep the body in a state of equilibrium.

Overall, combating infections does result in calorie burning since it takes more energy to fight off viruses and bacteria. According to studies, infections without enough calorie intake frequently result in weight loss and frequent malnutrition.

As I mentioned the “virus”, it brings me to give you information regarding….

Do you burn more calories during covid?

The body has to put in a lot of effort to establish an immunological response when there is an infection. The immune system uses a high fever to boost metabolism and “fight the bug.” Fever is also linked to excessive fluid loss and accelerated metabolism, both of which can cause dehydration and raise nutritional needs.

You should keep eating and drinking even if you don’t feel hungry or thirsty since doing so will help your body fight the virus and maintain its immune system.

When combating COVID-19, protein and calories are crucial to prevent muscle loss, particularly if you are bedridden or sedentary and burn energy in the form of calories.

According to a new preprint study, the coronavirus attacks fat cells and specific immune cells in body fat, triggering an immunological response that may seriously harm the body.

The discovery may help to explain why people who are overweight or obese are more likely to develop severe disease and pass away from COVID-19, it sheds light on why certain people are susceptible, even when they have no additional risks or symptoms.

Now, you might be wondering how to take care of all of this. Let me take you through some more information on this.

The body needs extra calories to operate correctly while we are ill. When we are ill, the body must use more effort than usual to combat infection, especially when we have fevers (when it must also contend with higher body temperatures).

It must sustain greater energy levels in order to accomplish this (which can be difficult given how hard it is already working). Because of this, properly nourishing a sick body is crucial to recovering.

When ill, it’s crucial to follow regular eating patterns since eating fewer calories than usual might hinder the body’s capacity to heal. In reality, research shows that restricting calories when unwell not only makes people more susceptible to the flu but also makes symptoms worse and prolongs the sickness.

Even if a horrible cold or severe case of the flu could make you unable to eat, it’s crucial to maintain a healthy diet and fluid intake.

It is simpler to consistently nourish ourselves during the healing process by eating smaller meals more frequently (and paying attention to your body to know when you are truly hungry).

The ideal meals to consume will keep us hydrated and provide our bodies with extra energy and nutrients so they can stay healthy (without aggravating upset tummies or clogged-up respiratory systems).

How can you keep in check with all of this?

Here are some foods which you can rely on when you are sick and also keep a check on your calories. Consuming meals that improve immunity and drinking lots of water are the greatest ways to overcome a sickness.

#1: Soups made with broth

Not simply a myth, chicken noodle soup can truly relieve cold symptoms: The heated soup helps to keep nasal passages wet, avoid dehydration, and battle throat irritation. The chicken includes an amino acid called cysteine that thins the mucus in the lungs. The other substances may also aid in the body’s fight against the cold by halting inflammation and congestion in their tracks.

#2: Warm Tea

Drinks like freshly made green tea, which is packed with antioxidants that fight infections and strengthen the immune system, or hot water with lemon are perfect for staying hydrated while easing that stuffy nose. Warm liquids may ease a sore throat and relieve congestion.

#3: Citrus fruits

The idea that vitamin C helps treat colds is a misconception, and there isn’t much scientific support for the idea that it might shorten or lessen their duration. Citrus fruits may not be a panacea, but the delicate white coating of skin on oranges, lemons, grapefruits, and limes contains flavonoids, which are wonderful for accelerating recuperation and boosting the immune system.

#4: Spicy Meals

While spicy foods might cause our eyes and noses to run, they also work well as natural decongestants. Congestion symptoms can be lessened by consuming chili peppers, wasabi, or horseradish.

The greatest defenses for a speedy recovery when it comes to stomach problems (which often accompany the flu) are eating bland, simple foods that are easy to digest and staying hydrated.

Having discussed this, let us see what you can do to avoid gaining weight while you are sick as most of the time it feels so not good to wake up from your cozy bed.

When exercising, it’s important to remain hydrated by drinking lots of water, especially if you’re feeling under the weather.
It is also important to keep in mind that various activities will have varied effects on the body.

In general, it’s advisable to stay away from really demanding workouts when you’re unwell. An individual should put more emphasis on softer, movement-based activities that stimulate the blood flow without overtaxing the body.

These actions might involve:

1)walking while slowly jogging


3)Tai chi and gentle yoga.


You acquire weight if you eat too much or move insufficiently. Overeating can increase your chances of developing diabetes or a number of other health issues.

These are cautions that medical professionals have been issuing to us for a lot of years, and the standard recommendation that comes with them is to eat less and exercise more. That is great counsel.

However, it has been challenging to establish a link between our caloric intake and the likelihood that we would develop a certain chronic condition.

We do not only consume calories, after all. We consume calories from carbs, lipids, proteins, and alcohol as well as the other nutrients, such as vitamins, and minerals, that go along with them.

Thus, despite having extremely different diets and a distinct balance of nutrients, two groups of individuals might consume the same number of calories over a long period of time.

There is also the issue of energy balance: how do the calories you consume each day compare to those your body expends? Once again, two groups of people may consume the same number of calories and nutritional balance, but one group may have a very active lifestyle while the other may lead a sedentary one.

The development of chronic degenerative illnesses may differ between the two groups as a result of the more active group gaining less weight over time than the sedentary group.

In order to find a connection between calories and weight gain, it is required to consider factors such as activity levels, energy balance, changes in body weight, and food composition in addition to total calories ingested.

As now you know the answer to Do you burn more calories when sick. let me know your thoughts on this?

Srinidhi, B.Sc. (CBZ)
Srinidhi, B.Sc. (CBZ)

I am a B.Sc. (CBZ) graduate with sound knowledge in health and nutrition. Currently, I am also pursuing my M.Sc. in Bioinformatics.

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