Infectious Diseases and InfectionsFebruary 12, 2026🔄 Updated: Jul 12, 2026⏱ 9 min

Do you often catch a cold? (Common Cold) Let's talk about this in detail!

Creator: Dr. Priya Sammani
Published: 2026-02-12T05:04:28.000Z

Dr. Priya Sammani, MBBS, PG Dip. FMMedical Verification

Hello! How are you these days? It's very common to get a cold or a fever on a rainy day, or when the weather is a little bit different, isn't it? Sometimes you might even get tired of saying, "I have a cold again!" So today we're going to talk about this common cold that everyone gets, but you don't know exactly what it is. Let's see what it is, how it develops, and what you can do about it.

What exactly is a cold?

Simply put, a cold is an infection of the upper respiratory tract, including the throat, nose, and sinuses. This happens when a virus enters our body. Think of it like a little enemy crawling into our body and making us sick. It's common for a young person to get two, three, or four colds a year . This is the most common infectious disease in the world. It's the reason why most school-going children miss school.

What are the causes of colds? Let's find out the truth!

Most colds are caused by viruses called rhinoviruses . These are tiny, invisible viruses that can be found in the air we breathe or on things we touch. If one of these viruses penetrates the protective membranes in our nose or throat, our immune system kicks in. That's when we start to get a sore throat, a headache, and a stuffy nose.

Are there any misconceptions?

Yes, there are many. Some people say things like, "Oh, if you're in the cold, you'll catch a cold," "If you go out with wet hair, you'll get sick," and "If you don't cover your mouth properly, you'll get sick." But none of these things actually cause a cold. Being exposed to the cold and getting a virus into your body are two different things.

So what really affects the spread of the common cold?

Good question! Here are some things that can make you more likely to catch a cold:

Dry air: Dry air, whether indoors or outdoors, dries out the protective layers of our nose and throat, making it easier for viruses to enter.
Allergies : If you have allergies to things like dust and pollen, that can also weaken your immune system and make you more susceptible to illness.
Lack of sleep : If you don't sleep properly, your body's energy decreases, making you less resistant to illness.
Stress : Stress affects our bodies more than we think. The more stress we have, the more likely we are to become ill.
Not eating properly: Not eating nutritious food and drinks weakens the body.
Being around smokers : Being exposed to smoke when someone is smoking is also not good.
Smoking: People who smoke are more likely to get colds . Also, if they do get them, their symptoms may be more severe, last longer, and may even progress to bronchitis or pneumonia .

What are the symptoms of a cold? See if you have these too.

The first symptoms of a cold are often a sore throat, a runny nose, a stuffy nose, and sneezing. In addition, you may experience:
Feeling very tired
Sore throat
Cough
Headache
A slight fever.
Body pain
Appetite
The mucus coming from the nose may thicken a bit and turn yellow or green.
Imagine, when you wake up in the morning, your throat feels a little scratchy, and by noon, your nose is stuffy and you've had two or three sneezes... That could be the beginning of a cold.
Is the common cold contagious? How is it transmitted?
Yes, colds are definitely contagious. Viruses like the rhinoviruses we mentioned earlier can live for 3 hours or more in small droplets in the air or on surfaces we touch (doorknobs, tables, phones, etc.). So, if you touch something that someone with the virus has touched and then touch your mouth or nose, you have a high chance of getting a cold (unless you have been exposed to the virus before and have developed immunity). If you already have a cold, if you don't wash your hands with soap and water after coughing or sneezing, you have a high chance of spreading the disease to others. Going to school or doing your usual activities may not make you sick. But if your friends and classmates get sick, it will be a big reason.
How long can a cold last?
Cold symptoms usually start 2 to 3 days after exposure to the virus. People are most contagious during the first 3 to 4 days after symptoms start. However, they can be contagious for up to 3 weeks. Some colds can last as long as two weeks, but most people recover within a week.
What can be done to treat a cold?
To be honest, there is no cure for the common cold yet. However, some medications can help reduce the symptoms a bit. But they won't make you feel better any time soon.
Let's learn about over-the-counter (OTC) medicines.
There are some over-the-counter cold medicines that you can buy at the pharmacy without a prescription. Some people find that these help relieve symptoms. However, they do not cure the illness quickly. Sometimes these OTC medicines can cause side effects such as stomach upset, dizziness, fatigue, or insomnia.
If your nose feels stuffy: Putting a few drops of salt water (saline) into your nose may provide relief.
For fever and body aches: Many doctors recommend something like paracetamol (acetaminophen) .
Most importantly: If you have a cold, never take aspirin or aspirin-containing medications without first talking to a doctor. There is a risk of Reye syndrome , a rare but very dangerous and potentially fatal condition, especially in young children, if aspirin is taken with a viral fever.
Antihistamines or decongestants: You can ask your doctor if these are a good idea, but there's little evidence to suggest that they really make a difference.
The best thing to do is to tell your parents (they can ask a doctor or pharmacist) exactly what medication you're taking.
Things you can do at home to relieve pain.
Like other viruses, the virus that causes the common cold needs to spend its time in the body and then die. Sometimes these things can help you feel better than medicine:
Get plenty of rest: Listen to your body. Get a good night's sleep, or take it easy by cutting back on your work.
Drink water and fluids: It is very important to stay hydrated. Things like hot soup, porridge, and orange juice are good.
Take a hot bath or steam bath: The steam from a hot bath can help relieve a stuffy nose and chest, making it easier to breathe. It's also good to wrap your head in a bowl of hot water and steam yourself.
Apply something warm: Applying a hot water bottle or heating pad to the painful areas of the body can provide relief.
Food: You've probably heard the saying, "Don't eat when you have a fever, eat when you have a cold." Don't think about it. Eat when you're hungry. Some people say that drinking chicken soup will cure a cold. There's no scientific evidence for that, but people have believed it for over 800 years.
When should we see a doctor?
Most of the time, a cold in a young person isn't too serious and doesn't require a visit to the doctor. However, it's a good idea to talk to a doctor if any of the following occur:
If your cold symptoms last more than a week, or if these symptoms occur at the same time every year, in association with something like dust, pollen, or animals (it could be an allergy) .
If you have difficulty breathing when you have a cold, or if you feel like you are wheezing (it could be asthma) .
If your symptoms get worse after about 3 days instead of getting better (it could be a bacterial infection like strep throat, sinusitis, bronchitis , especially if you are a smoker).
Pay special attention to these features!
If you have any of the following symptoms, it could be more than just a cold, or the condition could be getting worse instead of better. So be sure to see a doctor:
A cough that lasts more than 2-3 weeks.
If you are vomiting so much that you cannot keep food or drink down.
If your headache, facial pain, or sore throat worsens.
A very severe sore throat.
If the fever is 39.3 degrees Celsius (103°F) or higher, or if the fever is 38.9 degrees Celsius (102°F) for more than one day.
Chest or stomach pain.
If the lymph nodes are swollen.
An earache.
A doctor may not be able to tell exactly what virus is causing your cold. But they can examine your throat and ears. They may also do a throat culture . This is a simple test that involves swabbing the inside of your throat with a long cotton swab. The bacteria in the swab can be tested to determine if you have a condition like strep throat and whether you need antibiotics .
Important: If your doctor prescribes antibiotics, take them exactly as prescribed, for the full duration of the course. Don't stop taking them just because you feel better. Doing so can prevent the infection from getting better and can lead to other problems.
Can't you prevent catching a cold?
Sooner or later, everyone will catch a cold. But there are things we can do to strengthen our immune system's ability to fight off illness :
Exercise regularly.
Eat a balanced diet.
Get enough sleep.
Some people use alternative treatments for colds (such as taking large doses of zinc and vitamin C, or echinacea).Although herbal products (such as fenugreek) are recommended, none of these have been proven to prevent or cure colds. Herbal products can cause side effects, so many doctors don't recommend them.
Finally, I have to say... (Take-Home Message)
So, while a cold is very common, it can be a bit uncomfortable. The most important thing is to get plenty of rest, drink fluids, and listen to your body.
If you have a cold, take care not to spread it to others. Cover your mouth with a tissue when you sneeze or cough, dispose of used tissues properly, and wash your hands with soap and water frequently.
If you think it's more than just a common cold, or if your symptoms are getting worse, be sure to see a doctor.
Avoid smoking. It is good for your health in every way.
Although catching a cold can be a bit annoying, if you manage it properly, you can recover quickly. I wish you all good health!
Cold, common cold, rhinoviruses, cold treatment, cold transmission, cold symptoms

⚠️ Important: The medical articles and information on Nirogi Lanka are for general awareness only, and are by no means a substitute for professional medical advice, diagnosis, or treatment. For any medical problem you have, consult a qualified physician immediately.

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Infectious Diseases and InfectionsFebruary 12, 2026
Do you often catch a cold? (Common Cold) Let's talk about this in detail!
Dr. Priya SammaniMedical Verification
⏱ 9 min read
📋Table of Contents
1. What exactly is a cold?
2. What are the causes of colds? Let's find out the truth!
3. Are there any misconceptions?
4. So what really affects the spread of the common cold?
5. What are the symptoms of a cold? See if you have these too.
6. Is the common cold contagious? How is it transmitted?
7. How long can a cold last?
8. What can be done to treat a cold?
9. Let's learn about over-the-counter (OTC) medicines.
10. Things you can do at home to relieve pain.
11. When should we see a doctor?
12. Pay special attention to these features!
13. Can't you prevent catching a cold?
14. Finally, I have to say... (Take-Home Message)
Hello! How are you these days? It's very common to get a cold or a fever on a rainy day, or when the weather is a little bit different, isn't it? Sometimes you might even get tired of saying, "I have a cold again!" So today we're going to talk about this common cold that everyone gets, but you don't know exactly what it is. Let's see what it is, how it develops, and what you can do about it.
What exactly is a cold?
Simply put, a cold is an infection of the upper respiratory tract, including the throat, nose, and sinuses. This happens when a virus enters our body. Think of it like a little enemy crawling into our body and making us sick. It's common for a young person to get two, three, or four colds a year . This is the most common infectious disease in the world. It's the reason why most school-going children miss school.
What are the causes of colds? Let's find out the truth!
Most colds are caused by viruses called rhinoviruses . These are tiny, invisible viruses that can be found in the air we breathe or on things we touch. If one of these viruses penetrates the protective membranes in our nose or throat, our immune system kicks in. That's when we start to get a sore throat, a headache, and a stuffy nose.
Are there any misconceptions?
Yes, there are many. Some people say things like, "Oh, if you're in the cold, you'll catch a cold," "If you go out with wet hair, you'll get sick," and "If you don't cover your mouth properly, you'll get sick." But none of these things actually cause a cold. Being exposed to the cold and getting a virus into your body are two different things.
So what really affects the spread of the common cold?
Good question! Here are some things that can make you more likely to catch a cold:
Dry air: Dry air, whether indoors or outdoors, dries out the protective layers of our nose and throat, making it easier for viruses to enter.
Allergies : If you have allergies to things like dust and pollen, that can also weaken your immune system and make you more susceptible to illness.
Lack of sleep : If you don't sleep properly, your body's energy decreases, making you less resistant to illness.
Stress : Stress affects our bodies more than we think. The more stress we have, the more likely we are to become ill.
Not eating properly: Not eating nutritious food and drinks weakens the body.
Being around smokers : Being exposed to smoke when someone is smoking is also not good.
Smoking: People who smoke are more likely to get colds . Also, if they do get them, their symptoms may be more severe, last longer, and may even progress to bronchitis or pneumonia .
What are the symptoms of a cold? See if you have these too.
The first symptoms of a cold are often a sore throat, a runny nose, a stuffy nose, and sneezing. In addition, you may experience:
Feeling very tired
Sore throat
Cough
Headache
A slight fever.
Body pain
Appetite
The mucus coming from the nose may thicken a bit and turn yellow or green.
Imagine, when you wake up in the morning, your throat feels a little scratchy, and by noon, your nose is stuffy and you've had two or three sneezes... That could be the beginning of a cold.
Is the common cold contagious? How is it transmitted?
Yes, colds are definitely contagious. Viruses like the rhinoviruses we mentioned earlier can live for 3 hours or more in small droplets in the air or on surfaces we touch (doorknobs, tables, phones, etc.). So, if you touch something that someone with the virus has touched and then touch your mouth or nose, you have a high chance of getting a cold (unless you have been exposed to the virus before and have developed immunity). If you already have a cold, if you don't wash your hands with soap and water after coughing or sneezing, you have a high chance of spreading the disease to others. Going to school or doing your usual activities may not make you sick. But if your friends and classmates get sick, it will be a big reason.
How long can a cold last?
Cold symptoms usually start 2 to 3 days after exposure to the virus. People are most contagious during the first 3 to 4 days after symptoms start. However, they can be contagious for up to 3 weeks. Some colds can last as long as two weeks, but most people recover within a week.
What can be done to treat a cold?
To be honest, there is no cure for the common cold yet. However, some medications can help reduce the symptoms a bit. But they won't make you feel better any time soon.
Let's learn about over-the-counter (OTC) medicines.
There are some over-the-counter cold medicines that you can buy at the pharmacy without a prescription. Some people find that these help relieve symptoms. However, they do not cure the illness quickly. Sometimes these OTC medicines can cause side effects such as stomach upset, dizziness, fatigue, or insomnia.
If your nose feels stuffy: Putting a few drops of salt water (saline) into your nose may provide relief.
For fever and body aches: Many doctors recommend something like paracetamol (acetaminophen) .
Most importantly: If you have a cold, never take aspirin or aspirin-containing medications without first talking to a doctor. There is a risk of Reye syndrome , a rare but very dangerous and potentially fatal condition, especially in young children, if aspirin is taken with a viral fever.
Antihistamines or decongestants: You can ask your doctor if these are a good idea, but there's little evidence to suggest that they really make a difference.
The best thing to do is to tell your parents (they can ask a doctor or pharmacist) exactly what medication you're taking.
Things you can do at home to relieve pain.
Like other viruses, the virus that causes the common cold needs to spend its time in the body and then die. Sometimes these things can help you feel better than medicine:
Get plenty of rest: Listen to your body. Get a good night's sleep, or take it easy by cutting back on your work.
Drink water and fluids: It is very important to stay hydrated. Things like hot soup, porridge, and orange juice are good.
Take a hot bath or steam bath: The steam from a hot bath can help relieve a stuffy nose and chest, making it easier to breathe. It's also good to wrap your head in a bowl of hot water and steam yourself.
Apply something warm: Applying a hot water bottle or heating pad to the painful areas of the body can provide relief.
Food: You've probably heard the saying, "Don't eat when you have a fever, eat when you have a cold." Don't think about it. Eat when you're hungry. Some people say that drinking chicken soup will cure a cold. There's no scientific evidence for that, but people have believed it for over 800 years.
When should we see a doctor?
Most of the time, a cold in a young person isn't too serious and doesn't require a visit to the doctor. However, it's a good idea to talk to a doctor if any of the following occur:
If your cold symptoms last more than a week, or if these symptoms occur at the same time every year, in association with something like dust, pollen, or animals (it could be an allergy) .
If you have difficulty breathing when you have a cold, or if you feel like you are wheezing (it could be asthma) .
If your symptoms get worse after about 3 days instead of getting better (it could be a bacterial infection like strep throat, sinusitis, bronchitis , especially if you are a smoker).
Pay special attention to these features!
If you have any of the following symptoms, it could be more than just a cold, or the condition could be getting worse instead of better. So be sure to see a doctor:
A cough that lasts more than 2-3 weeks.
If you are vomiting so much that you cannot keep food or drink down.
If your headache, facial pain, or sore throat worsens.
A very severe sore throat.
If the fever is 39.3 degrees Celsius (103°F) or higher, or if the fever is 38.9 degrees Celsius (102°F) for more than one day.
Chest or stomach pain.
If the lymph nodes are swollen.
An earache.
A doctor may not be able to tell exactly what virus is causing your cold. But they can examine your throat and ears. They may also do a throat culture . This is a simple test that involves swabbing the inside of your throat with a long cotton swab. The bacteria in the swab can be tested to determine if you have a condition like strep throat and whether you need antibiotics .
Important: If your doctor prescribes antibiotics, take them exactly as prescribed, for the full duration of the course. Don't stop taking them just because you feel better. Doing so can prevent the infection from getting better and can lead to other problems.
Can't you prevent catching a cold?
Sooner or later, everyone will catch a cold. But there are things we can do to strengthen our immune system's ability to fight off illness :
Exercise regularly.
Eat a balanced diet.
Get enough sleep.
Some people use alternative treatments for colds (such as taking large doses of zinc and vitamin C, or echinacea).Although herbal products (such as fenugreek) are recommended, none of these have been proven to prevent or cure colds. Herbal products can cause side effects, so many doctors don't recommend them.
Finally, I have to say... (Take-Home Message)
So, while a cold is very common, it can be a bit uncomfortable. The most important thing is to get plenty of rest, drink fluids, and listen to your body.
If you have a cold, take care not to spread it to others. Cover your mouth with a tissue when you sneeze or cough, dispose of used tissues properly, and wash your hands with soap and water frequently.
If you think it's more than just a common cold, or if your symptoms are getting worse, be sure to see a doctor.
Avoid smoking. It is good for your health in every way.
Although catching a cold can be a bit annoying, if you manage it properly, you can recover quickly. I wish you all good health!
Cold, common cold, rhinoviruses, cold treatment, cold transmission, cold symptoms
⚠️ Important: The medical articles and information on Nirogi Lanka are for general awareness only, and are by no means a substitute for professional medical advice, diagnosis, or treatment. For any medical problem you have, consult a qualified physician immediately.
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