See a GP if: you have white pus-filled spots on your tonsils. the sore throat is so painful it's difficult to eat or drink. the symptoms do not go away within 4 days.

How do you know if tonsillitis is serious?

Typical signs of a bacterial infection include white pus-filled spots on the tonsils, no cough and swollen or tender lymph glands. If you develop severe tonsillitis as a teenager or adult, your GP may recommend a blood test for glandular fever.

How long does tonsillitis last if untreated?

With viral tonsillitis, antibiotics are ineffective and the episodes usually last from four to six days. If it's the bacterial variety, an untreated bout can last from 10 to 14 days; antibiotics usually clear it up in five to seven days.