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Is Viral Fever Contagious? - Does It Spread or Not?

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Medically Reviewed by Dr. Aman Priya Khanna
Written by Nikita Tyagi, last updated on 29 November 2022| min read
Is Viral Fever Contagious? - Does It Spread or Not?

Quick Summary

  • Viral fever is contagious and can spread through contact with an infected person's saliva, mucus, or respiratory droplets.
  • Symptoms of viral fever include fever, headache, body aches, sore throat, cough, and runny nose.
  • Viral fever is usually self-limiting and will go away on its own within a few days. However, it is important to see a doctor if you have any concerns.

Every time the season changes, viral infection rises at its peak. Still, people don't pay much heed to it, as they think it will vanish in a few days. However, sometimes the viral infection may cause life-taking problems.

And what if viral fever is contagious? Of course, the chances of getting affected with a viral fever multiply tenfold! Read this article to know whether viral fever spreads. If yes, then how long is viral fever contagious?

What is Viral Fever?

Viral fever is a fever caused by any viral infection. It indicates that the body has contracted a viral infection and is now trying to fight it. The normal human body temperature is about 97 F or (37 C). If the temperature exceeds that, it's generally considered a viral fever.

Moreover, there are two grades of viral fever. One is low-grade fever, which stays below 100 F. While the other is high-grade fever. It goes above 100 F. For instance, Dengue. The temperature in Dengue reaches around 104 F (or 40 C).

Viral infection can affect any part of the body. If the viral fever persists for more than five days, it can signify a serious viral infection. Therefore, it's best to consult a doctor for a viral diagnosis as soon as possible.

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Symptoms of Viral Fever

Some of the significant symptoms of viral fever are as follows: 

  1. Chills
  2. Burning of eyes
  3. Muscle pain (myalgia)
  4. Redness in eyes
  5. Headache
  6. Runny nose
  7. Fatigue
  8. Dizziness (faint, unable to maintain balance)
  9. Joint pain (arthralgia)
  10. Rashes
  11. Loss of appetite

Is Viral Fever Contagious? Does Viral Fever Spread?

The most common question people search regarding viral fever is: Is viral fever communicable? And Does viral fever spread? 

Here is the reality: Yes, viral fever is highly contagious. It easily spreads through close contact. One of the easiest modes of transmission for viral fever is through respiration. Respiratory droplets from a host (patient) can easily travel to a healthy person if the host sneezes or coughs.

How Does Viral Fever Spread?

There are many ways through which a viral fever can spread (or transmit). These are as follows: 

  1. Drug Abuse: If a healthy person shares needles, syringes, or drugs with the infected person, his chances of contracting a viral infection significantly increase. 
  2. Bites: Insects and animals are often carriers of viruses. If they bite a healthy person, it may lead to viral fever.  
  3. Bodily Fluid: If one maintains physical relations with an infected person, the viral infection may spread. 
  4. Foods and Drinks:  Eating foods and drinks contaminated with the virus also spreads viral fever. 
  5. Respiratory droplets: Inhaling the respiratory droplets of an infected person spreads viral infection too. 

How Long is Viral Fever Contagious?

No doubt, viral fever is contagious. It spread through various modes. But how long viral fever is contagious is a big concern. Keep reading to know the same.

The chances of spreading a viral infection develop before one begins to feel sick. However, the contagiousness period of a viral fever depends on the type of viral infection a patient has caught. 

A few of the viral infections with their periods of spread are as follows: 

  1. Common Cold: Its infection spreads from two days before the symptoms show up to five days after their first appearance. 
  2. Flu: Flu is infectious for up to 7 days after the contraction. People with weakened immune systems and children might be contagious for more than seven days. 
  3. Covid19: The patient is contagious for up to 5 days after contracting the virus. In some cases, the spread period may expand to 10 days. 
  4. Measles: One is likely to spread measles up to 4 days after the rashes appear on the body. 
  5. Mumps: One can spread mumps before the swelling of glands to 9 days after it. 

What is the Complication of Contracting a Viral Fever?

Viral fevers are generally not a matter of concern. But in some cases, it can get worse and cause secondary infections. It is best to get a medical checkup done if the fever reaches 104 F to prevent the chances of any mishap.

How is Viral Fever Caused? 

When a virus enters the body, the body tends to play a defence mechanism against it. As a result, the body releases pyrogen. Pyrogen is a body component that raises the body's temperature (commonly referred to as fever) to kill viral antigens. Hence, this is how viral fever is caused.

Diagnosis of a Viral Fever

Viral and bacterial fever possess the same symptoms. Therefore, the doctors first test the patients for a bacterial infection to ensure it's not a bacterial fever. Once the doctors become sure that the fever isn't bacterial, they start conducting tests for the viral infection. 

There are many tests to diagnose a viral fever, including:

  1. Urine test
  2. Blood test 
  3. Sputum test
  4. Antibody test
  5. WBC count test

Doctors can conduct specific tests for Dengue, Malaria, Covid19, etc. They could also ask for a CT scan or Chest XRay to rule out the possibility of other infections, in certain cases of severe infections.

Treatment for Viral Fever

An infected person is likely to receive the following treatment for viral infection:

  1. Ibuprofen or Paracetamol - To lower body temperature and relieve body pain
  2. Antibiotics - To prevent secondary infection
  3. Electrolyte solution - To maintain body fluids 
  4. Immunity Boosters (Zinc & Vitamin C) - To boost immunity

How to Prevent Viral Infection?

To prevent a viral infection, follow the points given below:

  1. Avoid close contact with an infected person
  2. Do not share any personal care items, food, or clothes with someone
  3. Avoid travelling to areas where the infection is prevailing
  4. Use mosquito repellents, and mosquito nets, and wear full clothes to avoid getting bitten by an insect or animal.

Do's and Don'ts in a Viral Infection

Do's Dont's

Eat healthy food

Avoid public places

Stay hydrated 

Do not eat junk

Take bed rest as much as possible

Do not take medicine without asking a doctor

Put a napkin on your mouth and nose, while sneezing or coughing

Avoid cold water 

Stay at home

Avoid insect bites

Properly dispose the tissues off that contain any secretion like mucus, etc

Avoid sharing your clothes, blankets, and personal care items to prevent spreading of the infection to others. 

Takeaway

Viral fever is an infectious fever prevalent worldwide. The fever is highly contagious and spreads through close contact. Although it's not life-threatening, it can still take a toll on a patient's life in certain cases. Hence, it would be best if you do not overlook it.

With that said, get a diagnostic test done today. You can also contact us for the diagnosis and treatment of viral fever. We have a talented team of doctors with an unmatchable experience. Visit our website, HexaHealth, for a FREE consultation call RIGHT NOW!

Frequently Asked Questions

Yes, it spreads to others. Viral fever is contagious and spreads in the following ways: 

  1. Close contact with the patient
  2. Touching a contaminated surface
  3. Eating contaminated food and drink
  4. Inhaling respiratory droplets of a patient

Viral fever can take up to 1-3 days to spread in the body. Once it penetrates the body, it stays there for around 5 days. In certain cases, it can affect the body for about 14 days.

Yes, viral fever is communicable. It spreads through:

  1. Respiratory droplets,
  2. Sharing needles with an infected person
  3. Eating contaminated foods and drinks
  4. Bites of mosquitoes and other insects

 Viral fever may last up to two weeks. Although, it directly depends on the type of viral infection that has caused the viral fever. For instance, a common cold could last for five days. Meanwhile, the flu could last for seven days. 

Yes, viral fever is contagious. It transmits through various ways, such as:

  1. Sharing personal equipment
  2. Inhaling the virus through sneezing/ cough 
  3. Ingesting contaminated foods and drinks
  4. Animal bites

If you want a fast recovery from viral fever, follow these points:

  1. Eat healthy food
  2. Stay hydrated - drink electrolyte solution and plenty of water
  3. Take bed rest as much as possible
  4. Stay at home
  5. Take medicines, such as Paracetamol, antibodies, and acetaminophen or ibuprofen

 There are some of the best foods for viral fever:

  1. Citrus fruits
  2. Chicken soup
  3. Oatmeal 
  4. Green vegetables
  5. Garlic
  6. Cumin
  7. Turmeric
You can take a bath in viral fever. A lukewarm bath is preferable as it relieves body aches. However, it is best to ask your doctor if you can take it.

 Avoid these things in viral fever: 

  1. Cold water
  2. Public places
  3. Working
  4. Insect bites

You must also not self-treat yourself. Talking to a doctor is a must.

These drinks are good when you are down with a viral fever:

  1. Electrolyte solution
  2. Juices
  3. Soups
  4. Water

 The viral infection may start within less than a day of contraction. The symptoms might develop within 1-3 days. 

The cortisol level in your body is at its highest at night. Consequently, White Blood Cells (WBC) actively fight against the virus. Hence, the viral fever increases at night.

 You can first get a swab test done. If the results are positive, it is a bacterial fever. If not, you should further get tested for viral fever. 

The first signs of a viral infection are as follows: 

  1. Headache
  2. Runny nose
  3. Fatigue
  4. Joint pain
  5. Muscle pain
  6. Chills

 The virus that may cause fever for five days are as follows:

  1. Influenza viruses, 
  2. Respiratory syncytial virus (RSV), 
  3. Respiratory adenoviruses
  4. Parainfluenza viruses.

 Yes. There are certain viruses that cause fever for seven days. An example is Aedes. aegypti, which causes Dengue.

Last Updated on: 29 November 2022

Disclaimer: The information provided here is for educational and learning purposes only. It doesn't cover every medical condition and might not be relevant to your personal situation. This information isn't medical advice, isn't meant for diagnosing any condition, and shouldn't replace talking to a certified medical or healthcare professional.

Reviewer

Dr. Aman Priya Khanna

Dr. Aman Priya Khanna

MBBS, DNB General Surgery, Fellowship in Minimal Access Surgery, FIAGES

12 Years Experience

Dr Aman Priya Khanna is a well-known General Surgeon, Proctologist and Bariatric Surgeon currently associated with HealthFort Clinic, Health First Multispecialty Clinic in Delhi. He has 12 years of experience in General Surgery and worke...View More

Author

Nikita Tyagi

Nikita Tyagi

BPharm (Jawaharlal Nehru Technical University, Hyderabad)

2 Years Experience

An enthusiastic writer with an eye for details and medical correctness. An avid reviewer and publisher. She emphasises authentic information and creates value for the readers. Earlier, she was involved in making ...View More

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