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Tonsillitis is an infection of the tonsils. Your tonsils are two oval-shaped pads of tissue at the back of the throat. They help catch germs and bacteria that can make you sick.

Symptoms of Tonsillitis

Tonsillitis is very common and mainly affects children between preschool ages and the mid-teenage years. Symptoms of tonsillitis include:

  • Red, swollen tonsils
  • White or yellow patches on the tonsils
  • Sore throat
  • Difficult or painful swallowing
  • Fever
  • Swollen, tender glands (lymph nodes) in the neck
  • A scratchy, muffled, or throaty voice
  • Bad breath
  • Stomachache
  • Neck pain or stiff neck
  • Headache

What Causes Tonsillitis?

Tonsillitis is most commonly caused by streptococcus (strep) bacteria. Other bacteria and viruses that may infect your tonsils include:

  • Adenoviruses
  • Epstein-Barr virus (this causes infectious mononucleosis)
  • Herpes simplex virus
  • Cytomegalovirus
  • Measles virus

UR Medicine's Treatments for Tonsillitis

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6 locations

Ear, Nose, & Throat - Batavia

7995 Call Parkway, Suite 100
Batavia, NY 14020

Ear, Nose, & Throat - Geneva

64 Elizabeth Blackwell Street, Suite A
Geneva, NY 14456

Ear, Nose, & Throat - North Greece

60 Greece Center Drive, Suite 2
Rochester, NY 14612

Ear, Nose, & Throat - Brighton

Clinton Woods
2365 South Clinton Avenue, Suite 200
Rochester, NY 14618

Pediatric Otolaryngology - Rochester

Lattimore Medical Center
125 Lattimore Road, East Entrance, Suite 100
Rochester, NY 14620

Ear, Nose, & Throat - Rochester

Professional Office Building
990 South Avenue, Suite 207
Rochester, NY 14620

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