Pharyngitis and tonsillitis
Disease Information
In-Depth
What causes pharyngitis and tonsillitis?
There are many causes of infections in the throat. The following are the most common infectious agents:
-
viruses:
- adenovirus
- influenza virus
- Epstein-Barr virus
-
herpes simplex virus
-
bacteria:
- group A beta-hemolytic streptococci (GABHS)
- Neisseria gonorrhea
- Haemophilus influenzae Type B
-
mycoplasma
-
fungal infections
-
parasitic infections
- cigarette smoke
