What most commonly causes a sore throat?
A sore throat is most often the result of a viral upper respiratory infection, but it can also be caused by bacteria (tonsillitis), irritation of the mucous membrane due to dry air or smoke, and prolonged coughing. In most cases, it is a mild issue that resolves on its own, but it is important to identify the cause and adjust your approach accordingly.
Table of contents
What is a sore throat and how does it present?
A sore throat with difficulty swallowing is a fairly common issue in people of all ages. There can be multiple causes, but it is most often due to an upper respiratory infection. Pain, dryness, or a burning sensation in the throat can appear suddenly or gradually and is often associated with other symptoms such as coughing, a runny nose, or a fever.
How does a sore throat usually start?
A sore throat often begins with a mild scratchy or dry sensation in the throat, which then gradually develops into pain when swallowing. In viral infections, symptoms tend to develop gradually, whereas in bacterial infections they can appear suddenly and be more intense.
Many people notice the first signs in the morning, when the mucous membrane is further irritated due to dry air. If action is taken at this stage, the problem often does not progress further.
The most common causes of a sore throat
Viral sore throat (cold and flu)
It usually develops gradually and is accompanied by symptoms such as a runny nose, sneezing, and coughing. The pain is generally milder and resolves within a few days.
A cold is a viral infection of the upper respiratory tract. It is usually harmless but uncomfortable, as it often causes a runny nose and a sore throat. It occurs most frequently in children, but adults can also experience it several times a year.
A sore throat during a cold is usually accompanied by symptoms such as a runny nose, sneezing, coughing, a slightly elevated body temperature, and a general feeling of being unwell.
The flu is also a viral infection but tends to be more intense. It is characterized by a sudden onset with a high fever, muscle and joint pain, and a pronounced sore throat.
Bacterial sore throat (tonsillitis)
It appears suddenly, the pain is more intense, and it is often accompanied by a high fever and difficulty swallowing. Without treatment, it can last longer.
Tonsillitis is a common bacterial infection most often caused by group A beta-hemolytic streptococcus. It occurs more frequently in children, but adults can also be affected.
Typical signs of a bacterial sore throat include:
- severe throat pain
- elevated body temperature (above 38 °C)
- enlarged lymph nodes in the neck
- pus on the tonsils
Unlike a viral infection, there is usually no runny nose or cough.
Mucosal irritation
A burning sensation or dryness without other signs of illness. It is often associated with external factors such as dry air or smoke. A sore throat is not always caused by an infection. It is often the result of mucosal irritation due to:
- dry air
- smoking or second-hand smoke
- dust or chemicals
- excessive strain on the vocal cords
In such cases, it is not an illness but a response of the mucous membrane to strain.
Chronic cough
Long-lasting irritation that does not improve quickly. The pain is usually a result of constant strain on the mucous membrane.
Chronic cough itself can cause a sore throat. A cough is considered chronic if it lasts longer than eight weeks and is most often caused by smoking, reflux, or asthma.
When coughing, air passes through the airways at high speed, which dries out and irritates the mucous membrane. The result is a sore throat and increased susceptibility to infections.
How do you recognize the cause of a sore throat?
A sore throat can have various causes, which can often be identified by accompanying symptoms:
- Viral sore throat: runny nose, sneezing, coughing, milder course
- Bacterial sore throat (tonsillitis): high fever, severe pain, no cough
- Mucosal irritation: dryness, burning without other signs of illness
- Chronic cough: long-lasting irritation, often without fever
If the symptoms are unclear or persist for a longer time, it is advisable to seek medical advice.
What can we do depending on the cause?
Although a sore throat may feel similar, it is important to act according to the cause:
- In viral sore throat the most important thing is to relieve symptoms and rest, as the infection usually resolves on its own
- In bacterial sore throat (tonsillitis) medical treatment is often needed if there is no improvement within a few days
- In mucosal irritation reducing strain helps the most (e.g. humidifying the air, avoiding smoke)
- In chronic cough the underlying cause needs to be addressed
In all cases, local action on the mucous membrane can help reduce discomfort in the throat.
What helps with a sore throat?
With a sore throat, it is important to act according to the cause, while at the same time relieving symptoms with basic measures.
Basic measures
- adequate fluid intake
- rest
- humidifying the air
- warm drinks
Local action on the mucous membrane
Since the problem occurs directly on the mucous membrane of the throat, products for local use, such as oral sprays, can also help. They act directly at the site of irritation and help reduce discomfort in the throat.
With local use, it is important that the product comes into contact with the mucous membrane of the throat, where the irritation occurs. This allows us to directly influence the sensation of pain and discomfort, regardless of the cause.
How do we help ourselves locally with a sore throat?
In practice, people often use local products several times a day, especially when the pain is most pronounced – for example when swallowing or speaking.
With local use, it is important to apply the product directly to the affected area in the throat. Using it several times a day allows longer contact with the mucous membrane, which can contribute to faster relief of symptoms.
It is best to act at the first signs, as this can help prevent the condition from worsening.
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Smrekovit oral spray
10,00 €
User experience
I used Smrekovit for pharyngitis and sore throat, neck pain, a painful thumb joint, and dry skin on the hands and lower legs. The condition improved and returned to normal.
Zofka, Nova Gorica
[111] handwritten feedback, received 8.5.2017, stored in the Smrekovit archive
I use Smrekovit when I have a sore throat or earache. If it is only mild, one application helps; otherwise, I repeat it.
User wished to remain anonymous
[121] handwritten feedback received on an unknown date, kept in the Smrekovit archive
I have been using Smrekovit since 1992… It helps a lot with colds. It should be applied under the nose and on the nose. A runny nose goes away quickly. I also use it for sore throat and mouth ulcers. In fact, it works very well for almost all conditions. Thank you and all the best.
Alojzija Turk, Središče ob Dravi
[10] handwritten feedback received on 8.10.2015, stored in the Smrekovit archive
For sore throat I took Smrekovit three times a day and within two days my throat stopped hurting. For a heel spur, I lubricated twice a day and wrapped it with foil. After 14 days of use it improved to 90%.
Erna, Slovenske Konjice
[23] handwritten feedback received on 12.1.2015, stored in the Smrekovit archive
You can find more user experiences here →
When is a sore throat not harmless?
In most cases, a sore throat resolves on its own, but sometimes it may indicate a more serious issue.
Pay attention if:
- the pain lasts more than a few days without improvement
- the pain is very intense and makes swallowing difficult
- a high body temperature appears
- you notice pus on the tonsils
- enlarged and painful lymph nodes appear
In such cases, it is advisable to seek medical help.
Frequently asked questions
What causes a sore throat?
A sore throat can be caused by a variety of factors, such as viral or bacterial infections, allergies, dry air, irritation from cigarette smoke or chemical substances, as well as excessive straining of the vocal cords.
How to distinguish between viral and bacterial sore throat?
If a runny nose, cough, and mild symptoms are present, it is usually a viral infection. With high fever, severe pain, and pus, a bacterial infection is more likely.
How long does a sore throat last?
A viral sore throat usually resolves within a few days to a week, while a bacterial one can last longer and often requires treatment.
When to see a doctor?
If the pain lasts longer than a few days, is very severe, or is accompanied by a high fever, it is advisable to seek medical help.
Does a sore throat always mean an infection?
No. A sore throat can also be caused by irritation of the mucous membrane due to dry air, smoking, or strain on the vocal cords. In such cases, it is not an infection but a response of the body to strain.