What is the Difference Between Strep Throat and Tonsillitis?

Strep throat and tonsillitis are both common conditions that affect the throat, causing pain and discomfort. Because they have similar symptoms, people often confuse them. However, knowing their differences is crucial for getting the proper treatment. This guide will explore what sets strep throat and tonsillitis apart, including their causes, symptoms, diagnosis, and treatments.

Tonsillitis

What is Strep Throat?

Strep throat is a bacterial infection caused by the group A Streptococcus bacteria. It primarily affects the throat and the tonsils. Strep throat is highly contagious and can spread through respiratory droplets when an infected person coughs or sneezes.

Causes of Strep Throat

The group A Streptococcus bacteria cause strep throat. It spreads easily in close-contact environments like schools and offices. The bacteria can be transmitted through:

  • Coughing and sneezing
  • Sharing food, drinks, or utensils with an infected person
  • Touching surfaces contaminated with the bacteria and then touching the mouth or nose

Symptoms of Strep Throat

The symptoms of strep throat can vary but typically include:

  • Severe sore throat
  • Red and swollen tonsils, sometimes with white patches or streaks of pus
  • Tiny red spots on the roof of the mouth
  • Fever
  • Headache
  • Nausea or vomiting, especially in children
  • Swollen lymph nodes in the neck
  • Rash (in some cases, indicating scarlet fever)

What is Tonsillitis?

Tonsillitis is the inflammation of the tonsils, two lymph nodes located at the back of the throat. Viral or bacterial infections can cause it. Tonsillitis is more common in children but can occur at any age.

Causes of Tonsillitis

Various viruses and bacteria can cause tonsillitis. Common causes include:

  • Viruses: Such as the common cold, influenza, and Epstein-Barr virus (which causes mononucleosis)
  • Bacteria: Including group A Streptococcus (the same bacteria that causes strep throat)

Helpful Reading – How to get rid of tonsillitis 

Symptoms of Tonsillitis

The symptoms of tonsillitis can be similar to those of strep throat but often include additional signs:

  • Sore throat
  • Red and swollen tonsils, sometimes with white or yellow coating
  • Painful swallowing
  • Fever
  • Bad breath
  • Swollen lymph nodes in the neck
  • Hoarse or muffled voice
  • Ear pain
  • Stomachache, particularly in children

Key Differences Between Strep Throat and Tonsillitis

While strep throat and tonsillitis share some overlapping symptoms, several key differences can help distinguish between the two conditions:

Cause

  • Strep Throat: Caused specifically by group A Streptococcus bacteria.
  • Tonsillitis: Can be caused by various viruses and bacteria, including group A Streptococcus.

Symptoms

  • Strep Throat: This condition often presents with more severe symptoms, such as high fever, headache, nausea, and tiny red spots on the roof of the mouth.
  • Tonsillitis: This condition may include symptoms like bad breath, hoarse voice, and ear pain, which are less common in strep throat.

Contagiousness

  • Strep Throat: Highly contagious and spreads easily through respiratory droplets.
  • Tonsillitis: Contagious if caused by a bacterial or viral infection, but the specific contagiousness depends on the underlying cause.

Diagnosis

Diagnosing Strep Throat

To diagnose strep throat, a healthcare provider will typically perform a rapid strep test or throat culture:

  • Rapid Strep Test: Involves swabbing the throat and testing for the presence of group A Streptococcus bacteria. Results are usually available within minutes.
  • Throat Culture: A throat swab is sent to a laboratory for culture. This test is more accurate but takes longer (usually 24-48 hours) to get results.

Diagnosing Tonsillitis

Diagnosing tonsillitis involves a physical examination and, sometimes, additional tests:

  • Physical Examination: The doctor will examine the throat, tonsils, and lymph nodes.
  • Throat Swab: Similar to the test for strep throat, a throat swab can help determine if bacteria are the cause.
  • Blood Tests: May be conducted to check for viral infections like mononucleosis.

Treatment

Treatment for Strep Throat

Strep throat is treated with antibiotics to eliminate the bacteria and prevent complications. Common antibiotics include penicillin and amoxicillin. In addition to antibiotics, the following measures can help relieve symptoms:

  • Rest
  • Drinking plenty of fluids
  • Over-the-counter pain relievers, such as ibuprofen or acetaminophen
  • Gargling with warm salt water

Treatment for Tonsillitis

Treatment for tonsillitis depends on whether the cause is viral or bacterial:

  • Viral Tonsillitis: Typically resolves on its own. Treatment focuses on relieving symptoms through rest, hydration, and pain relievers.
  • Bacterial Tonsillitis: Treated with antibiotics if caused by bacteria like group A Streptococcus.

In recurrent or severe cases of tonsillitis, a doctor may recommend a tonsillectomy, a surgical procedure to remove the tonsils.

Prevention

Preventing Strep Throat

  • Wash hands frequently, especially after coughing or sneezing.
  • Avoid sharing food, drinks, or utensils with others.
  • Stay away from individuals who are infected.

Preventing Tonsillitis

  • Maintain good hygiene practices, like hand washing.
  • Avoid close contact with people who have respiratory infections.
  • Keep the immune system strong through a healthy diet and regular exercise.

Also Read – Sore Throat or Strep Throat? How to Identify the Difference

Consult with ENT LDN

If you or your child are experiencing strep throat or tonsillitis symptoms, seeking medical advice for an accurate diagnosis and appropriate treatment is important. At ENT LDN, our specialist provides comprehensive care for throat infections and other ENT conditions. Visit ENT LDN to schedule a consultation and receive expert care.

Frequently Asked Questions

Yes, strep throat can cause tonsillitis if the group A Streptococcus bacteria infect the tonsils, leading to their inflammation.

Mr. Raj Lakhani is a distinguished ENT Surgeon specializing in sinus disorders and general ENT care for adults and children. With a passion for clinical research, he has published over 30 peer-reviewed articles and delivered more than 50 scientific presentations globally. Recognized for excellence, he has received multiple awards, including the prestigious ‘Best Short Paper’ prize from the Royal Society of Medicine.