What is the cause of white pus on the back wall of the throat?

White purulent spots on the back wall of the throat may be related to unreasonable diet, viral infection, bacterial infection and other factors.

1. Unreasonable diet such

as excessive intake of greasy, spicy and irritating foods may lead to increased oil secretion, thereby blocking sebaceous glands and prone to white purulent spots.

2. Viral infections such

as influenza virus, rhinovirus, adenovirus, etc. may cause inflammation of the throat, resulting in white purulent spots on the back wall of the throat.

3. Bacterial infections such

as streptococci, staphylococci, etc. may cause tonsillitis, pharyngitis, etc., resulting in inflammatory substances exudation, and white purulent spots.