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What is Tonsil (Tonsillitis): Causes, Risks and Treatment

ENT | by Dr. (Major) Vipin Kakar on Mar 27, 2026

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Key Takeaways:

  • Tonsils are the two round lymphoid immune tissues located at the back of the throat (pharynx).
  • Tonsillitis is a condition in which you feel inflammation in the tonsils. It is generally caused by bacterial infection.
  • Sore throat, fever and difficulty in swallowing are some common symptoms of tonsillitis. Most cases improve with rest and care, but you may need medical consultation if there is any bacterial infection.
  • If you experience repeated severe infections, it may require tonsil removal (tonsillectomy).

When a sore throat starts making swallowing or talking painful, it could be more than just a temporary irritation. Constant discomfort or swelling at the back of your throat may point to tonsillitis.

While this is a common condition that affects both children and adults, the symptoms can sometimes be uncomfortable enough to disturb your everyday activities like eating, drinking, or speaking.

Understanding the causes, symptoms, and treatment options for tonsillitis can help you recognise the condition early and know when it may be time to seek medical care.

What are Tonsils and Tonsillitis?

Tonsils are two oval-shaped lymphatic tissues located on the left and right sides at the back of your throat. You can see them when you open your mouth wide. They are part of your immune system and help prevent germs from entering your body through your nose and mouth. This is the primary function of tonsils.

When tonsil tissues get infected or swollen, it is called tonsillitis. In simple terms, tonsillitis is tonsil inflammation. The reason behind this inflammation is usually a viral or bacterial infection.

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Types of Tonsillitis

There are different types of tonsillitis:

  1. Acute tonsillitis – This type develops suddenly and usually causes throat pain that lasts for a few days.
  2. Recurrent tonsillitis – This occurs when a person experiences multiple episodes of tonsillitis within a year.
  3. Chronic tonsillitis – This type involves persistent throat pain caused by a long-term infection that may continue for several weeks.

These types of tonsillitis can be caused by either viral or bacterial infections.

Bacterial tonsils infection is often due to Streptococcus pyogenes, which causes strep throat.

Viral tonsillitis can be caused by infections such as mononucleosis or glandular fever. People with this condition may also experience common cold symptoms like cough or a blocked nose.

Bacterial tonsillitis is generally considered more serious than viral tonsillitis, and its symptoms may appear more severe. However, it can be difficult to distinguish between the signs of different types of tonsillitis. Therefore, it is always recommended to consult an ENT specialist for proper medical advice.

Also Read: Sinusitis: Cause, Symptoms & Treatment

What are the Symptoms of Tonsillitis?

The symptoms can vary depending on the cause, but some of the common symptoms of tonsillitis are:

  • Severe sore throat
  • Pain while swallowing, or speaking
  • Red, inflamed tonsils
  • White or yellow patches on tonsils
  • Swollen glands in the tonsil neck area
  • Loss of appetite
  • Bad breath
  • Headache
  • Ear pain
  • Fever

In acute tonsillitis, symptoms like sore throat and fever usually return to normal within one or two weeks. However, it may take a little longer for the swelling of the tonsils to go away.

Children may also complain of stomach pain or refuse to eat because it hurts while swallowing.

What are the Causes of Tonsillitis?

The causes of tonsillitis are mostly viral and bacterial infections.

In viral tonsillitis, when an infected person sneezes or talks, tiny droplets containing germs are released into the air and may come into contact with the mucous membranes of healthy people. These infected droplets then begin to multiply.

Some of the most common viruses that cause tonsillitis are:

Streptococcus pyogenes (Group A Streptococcus) is a type of bacteria that is the most prevalent cause of bacterial tonsillitis.

How Tonsillitis Affects Children?

Chronic tonsillitis is less common in children.

They are more prone to acute tonsillitis (which occurs for a few days) and recurrent tonsillitis (which occurs multiple times in a year). It is most commonly seen in children between the ages of 5 and 15 years.
Their immune systems are still developing, which means their bodies are still learning how to recognise and fight different germs. At the same time, they often interact closely with others at school or while playing, which increases their exposure to viruses and bacteria that can cause throat infections.

Some common symptoms of tonsillitis in children are:

  • Repeated sore throats
  • Persistent bad breath
  • Enlarged tonsils
  • Snoring or breathing difficulty

Sometimes, enlarged tonsils block airflow at night, leading to snoring. If your child snores heavily, breathes through the mouth constantly, or has repeated infections, you should consult a pediatrician.

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What are the Causes of Bacterial Tonsillitis in Children?

As mentioned before, the most common reason for tonsillitis caused by bacteria in children is Group A Streptococcus. It spreads through respiratory droplets like coughing, sneezing, or sharing utensils.

The risk factors of bacterial tonsillitis are:

  • Close contact with an infected person
  • Weak immunity
  • Poor hygiene

Also Read: How do we get Pneumonia?

How is Tonsillitis Diagnosed and Treated?

An ENT specialist (otolaryngologist) will examine your throat and check for inflamed tonsils. If a bacterial infection is suspected, a rapid strep test or throat swab may be performed.

Tonsillitis treatment depends on its cause:

  • Viral tonsillitis is usually managed with rest, plenty of fluids, and pain relief medications.
  • Bacterial tonsillitis may require antibiotics prescribed by a doctor.

Important – Do not take any medication for tonsillitis without consulting a qualified ENT specialist.

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Tonsil Removal Surgery

Tonsil removal (tonsillectomy) may be considered in the following cases:

  • If you experience frequent tonsil infections
  • If you have breathing problems due to enlarged tonsils
  • If there is abscess (pus) formation in the throat

Tonsil cancer is rare and not related to common tonsillitis. However, persistent one-sided swelling, difficulty swallowing, or unexplained weight loss should always be evaluated by a doctor.

Home Remedies for Tonsillitis

For mild cases, the following remedies may help provide relief:

  • Warm saltwater gargles
  • Steam inhalation
  • Honey in warm water (avoid for children under 1 year)
  • Take adequate rest

These remedies can help soothe throat discomfort caused by tonsillitis. However, they do not treat bacterial infections. If symptoms are moderate to severe, consult an ENT specialist for proper diagnosis and treatment.

Also Read: Home Remedies to treat cough and cold in newborns (include cough in chest)

Diet For Tonsillitis

When your throat is sore from tonsillitis, even normal eating can feel painful. Staying hydrated and choosing soft, warm foods can help soothe your throat and make swallowing easier.

Some good options are:

  • Warm liquids & broths
  • Drink plenty of water
  • Soft khichdi or porridge
  • Boiled and mashed vegetables
  • Coconut water

Avoid These Foods in Tonsillitis

When you have tonsillitis, certain foods can irritate your throat and make swallowing even more uncomfortable. It is best to avoid:

  • Spicy food
  • Deep-fried snacks
  • Carbonated drinks and beverages
  • Very cold water
  • Hard, crunchy foods

These foods can further irritate the already inflamed tonsils and worsen throat discomfort.

Conclusion

Tonsillitis may feel intimidating because it causes constant pain while swallowing or speaking, which may disturb your daily routine. However, recognising the symptoms of tonsillitis, understanding its causes, and seeking timely care can help you manage the condition effectively.

Most cases improve within a few days to a week with rest, proper hydration, and appropriate medical guidance. However, if the pain becomes severe, the fever is high, or swallowing becomes extremely difficult, it should not be ignored. Consulting an ENT specialist can help you get the right diagnosis and treatment.

FAQs

Will tonsillitis go away on its own?

Viral tonsillitis usually resolves within a few days with right care.

What does tonsillitis look like?

In tonsillitis, you will see red, swollen tonsils, sometimes with white patches or pus.

What should we not do when afflicted with tonsillitis?

You should avoid cold water, smoking exposure, spicy foods, and self-medicating with antibiotics without a prescription.

Is tonsillitis a serious condition?

Most cases are mild. However, untreated bacterial infection may cause complications.

Can I buy throat lozenges for tonsillitis?

Yes. Lozenges can soothe throat pain but won’t treat bacterial infection.

Can tonsillitis cause snoring in children?

Yes. Enlarged tonsils can block airways during sleep, leading to snoring.

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