Acute Tonsillitis (Angina Tonsillaris)

Medical Specialty: Ear, Nose, and Throat
12/05/2026 Updated: 15/05/2026

Overview

Acute tonsillitis is a common infectious disease characterized by inflammation of the tonsils. The condition can be caused by viruses or bacteria and is often accompanied by a sore throat, fever, and difficulty swallowing.

Symptoms

  • sore throat
  • fever
  • difficulty swallowing
  • red throat
  • tonsil plaques
WHAT IS IT

Acute tonsillitis is an inflammation of the tonsils, which are part of the immune system and play an important role in protecting the body from infections. The condition occurs in both children and adults and often arises after an upper respiratory tract infection.

TYPES
  • Viral tonsillitis
  • Bacterial tonsillitis
  • Purulent tonsillitis
  • Recurrent tonsillitis
CAUSES
  • Viral infections
  • Bacterial infections
  • Weakened immune system
  • Contact with an infected person
SYMPTOMS
  • Sore throat
  • Pain when swallowing
  • Fever
  • Red throat
  • White patches on the tonsils
TREATMENT

Treatment depends on the cause and the severity of the symptoms. It may include:

  • Drinking plenty of fluids
  • Pain relievers and fever-reducing medications
  • Lozenges
  • Antibiotic therapy for bacterial infection

 

SYNONYMS: Angina, tonsillitis, purulent tonsillitis, inflamed tonsils, tonsil infection

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