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Tonsillitis Symptoms: 7 Common Signs That It’s Time to See a Doctor

November 10, 2025

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Last updated: 10/11/2025

Tonsils are two oval-shaped glands located at the back of the throat. They play a key role in fighting bacteria and viruses that enter through the mouth or nose.
When these tissues become infected, they can swell and cause discomfort, leading to a condition known as tonsillitis — one of the most common throat infections affecting both children and adults.

 

 

 

Many people wonder, “How do I know if I have tonsillitis?” The answer lies in recognizing the body’s early warning signs such as sore throat, fever, or difficulty swallowing.
This article by Magrabi Hospitals highlights the key symptoms, how they differ between adults and children, and when medical attention is necessary.

 

 

 

What Is Tonsillitis and How Does It Occur?

Tonsillitis happens when the tonsils become inflamed due to viral or bacterial infection.
Most cases are caused by common respiratory viruses, but in some cases, bacteria — especially Streptococcus — are responsible for more severe infections.
Inflamed tonsils usually appear red, swollen, and painful, making swallowing difficult.

To learn more about the anatomy and role of the tonsils, read Facts You Should Know About the Tonsils in the Throat and Tonsillitis: Causes, Symptoms, and Effective Treatments.

 

 

 

Tonsillitis Symptoms: 7 Common Warning Signs

Tonsillitis symptoms vary depending on the cause and severity, but typically develop from a mild sore throat into more obvious signs.

1. Persistent sore throat

The first and most common symptom. Pain may spread to the ears or jaw.

2. Difficulty swallowing or talking

Swollen tonsils can make swallowing or speaking painful, especially when eating solid food.

3. Red or swollen tonsils

Visible redness or swelling may be noticed when opening the mouth.

4. White or yellow patches on the tonsils

These are typical of bacterial tonsillitis, according to the Saudi Ministry of Health. Always seek medical advice before taking antibiotics.

5. Fever

A temperature above 38°C (100.4°F) often indicates bacterial infection.

6. Swollen lymph nodes in the neck

Tender lumps under the jaw or behind the ears signal an immune response to infection.

7. Bad breath or voice change

Caused by bacteria buildup or mouth breathing due to throat blockage.

If you notice several of these symptoms together, book an appointment with an ENT specialist at Magrabi Hospitals for proper diagnosis and treatment.

 

Tonsillitis Symptoms in Children: When to Worry

Tonsillitis is common in children, especially before school age.
The symptoms are similar to those in adults but may appear more intense. Watch for fever, poor appetite, snoring, or difficulty swallowing or breathing.
If these persist for more than three days, seek medical help promptly to avoid complications.

For detailed information about causes, treatment, and prevention in children, read Tonsillitis in Children.

 

 

Tonsillitis Symptoms in Adults: How They Differ from Children

Although tonsillitis affects adults less frequently, it can be more severe and last longer.
Common symptoms include:

  • Sharp throat pain that worsens with swallowing
  • Enlarged, red tonsils with white coating
  • Moderate to high fever
  • Ear or jaw pain
  • Fatigue and disturbed sleep due to throat blockage
  • Bad breath
     

Seek medical attention if symptoms persist beyond three days or if breathing or swallowing becomes difficult. Recurrent infections may indicate chronic tonsillitis requiring further evaluation.
Understanding whether the infection is bacterial or viral is key to receiving the right treatment.

 

Bacterial vs. Viral Tonsillitis: Key Differences

Distinguishing between bacterial tonsillitis symptoms and viral tonsillitis symptoms helps determine the right treatment plan.

Viral tonsillitis

Usually caused by common cold or flu viruses.
Typical signs:

  • Mild sore throat
  • Low-grade fever
  • Nasal congestion or cough
  • Slightly swollen lymph nodes
  • Viral infections typically resolve with rest, fluids, and over-the-counter pain relief.
     

Bacterial tonsillitis

Most often caused by Streptococcus bacteria.
Typical signs:

  • Severe sore throat with bright red tonsils
  • White or yellow patches
  • High fever
  • Painful swollen neck glands
  • Headache and body aches

As advised by the Saudi Ministry of Health and the Saudi Food & Drug Authority, antibiotics should only be used after medical confirmation through a throat swab test.
 

When to See a Doctor

Seek medical care if symptoms persist longer than three days, if swallowing or breathing is difficult, or if fever and swelling are severe or recurring.
You can learn more about treatment options in Tonsillitis Treatment.

 

Throat Infection vs. Tonsillitis: How to Tell the Difference

Many people confuse throat infections with tonsillitis because of similar symptoms.
A throat infection affects the entire throat and is often mild and viral, while tonsillitis specifically targets the tonsils.

  • Throat infection: pain in the middle of the throat, mild redness, usually no white patches, and resolves in a few days.
  • Tonsillitis: red, swollen tonsils with possible white coating, fever, and swollen neck glands.

 

 

If symptoms persist or recur, visit an ENT specialist at Magrabi ENT Department for a full examination.

 

 

 

Frequently Asked Questions

How can I tell the difference between a sore throat and tonsillitis?
A sore throat usually affects the throat lining and improves on its own. Tonsillitis involves inflamed, enlarged tonsils often with white patches and fever.

What effect does tonsillitis have on the body?
Mild cases cause throat discomfort, but repeated infections can lead to bad breath, fatigue, sleep problems, and, if untreated, complications like abscesses or ear infections.

What are the symptoms of tonsillitis in adults?
Severe throat pain, difficulty swallowing, swollen red tonsils, fever, bad breath, and swollen neck glands. Pain may radiate to the ears or jaw.

 

References:

Edited and medically reviewed by

Dr. Hesham Abdul Aziz,

Consultant ENT Specialist at Magrabi Hospitals.

Medical Disclaimer:

This article is for educational purposes only and should not replace professional medical advice. Always consult your physician if symptoms persist or worsen.