What is the most common complication of tonsillitis?
Robert Miller
Published Feb 11, 2026
What is the most common complication of tonsillitis?
Inflammation or swelling of the tonsils from frequent or ongoing (chronic) tonsillitis can cause complications such as:
- Disrupted breathing during sleep (obstructive sleep apnea)
- Infection that spreads deep into surrounding tissue (tonsillar cellulitis)
What happens when tonsillitis is left untreated?
If tonsillitis is left untreated, a complication can develop called a peritonsillar abscess. This is an area around the tonsils that’s filled with bacteria, and it can cause these symptoms: Severe throat pain. Muffled voice.
What is the management of tonsillitis?
If tonsillitis is caused by a bacterial infection, your doctor will prescribe a course of antibiotics. Penicillin taken by mouth for 10 days is the most common antibiotic treatment prescribed for tonsillitis caused by group A streptococcus.
What causes your tonsils to swell?
Swollen tonsils are usually caused by the same viruses that cause the common cold. Swollen tonsils caused by viruses usually resolve with at-home treatment within a few days. If a bacterial infection has caused your tonsillitis, you’ll need antibiotics to clear it up.
Can tonsillitis affect your heart?
Strep tonsillitis can cause secondary damage to the heart valves (rheumatic fever) and kidneys (glomerulonephritis).
Can tonsils lead to death?
Rarely, however, tonsillar infection may result in serious and even life-threatening manifestations with a reported overall mortality rate of 1/1000–1/27,000. Lethal complications of acute tonsillitis include progression of sepsis and the development of airway obstruction.
Is paracetamol good for tonsillitis?
Mild tonsillitis often doesn’t need any treatment. However, it is important to drink plenty of water. Paracetamol or ibuprofen will help to ease pain, headache and high temperature. Gargles, lozenges and sprays may help to soothe a sore throat but they do not shorten the illness.
What is the best antibiotic for tonsillitis?
Penicillin taken by mouth for 10 days is the most common antibiotic treatment prescribed for tonsillitis caused by group A streptococcus.
Can tonsillitis lead to death?
Can tonsillitis be serious?
The pathogens that trigger tonsillitis can pass to others, and a variety of common viruses and bacteria can cause it. Tonsillitis-causing microorganisms include Streptococcal bacteria. Tonsillitis caused by strep throat can lead to serious complications without treatment.