2: Pharyngitis, Tonsillitis, Head and Neck Cancers Flashcards
What is pharyngitis
Inflammation of the pharynx
What are the viral causes of pharyngitis
EBV
Adenovirus
Influenza vira
Parainfluenza virus
What are the bacterial causes of pharyngitis
Group A Streptococcus
In low income countries, what may cause pharyngitis
Diptheria
Measles
What can cause pharyngitis in immunocompromised patients or those undergoing irradiation for cancer
Candida
What type of pharyngitis is more common in winter - spring
Bacterial
What are the bacterial causes of pharyngitis
Group A streptococcus
What type of pharyngitis is more common in summer-autumn
Viral
What are the viral causes of pharyngitis
EBV
Adenovirus
How will pharyngitis present
Sore throat Fever Pharyngeal exudate Cervical lymphadenopathy Rhinorrhoea
What is first-line for all cases of pharyngitis
Paracetamol
What criteria is used in pharyngitis
CENTOR
What is the centor criteria used for
To determine if pharyngitis is due to bacterial infection and hence individual should have antibiotics
Outline the centor criteria
Individual needs >3/4 to be prescribed antibiotics:
(CENTor):
Cough absent
Exudate on tonsils
Nodes enlarged
Tender cervical lymphadenopathy
What is an alternative scoring system for pharyngitis/tonsillitis
Fever PAIN
Explain fever pain criteria
(F-PAIN)
Fever in past 24h Pus on tonsils Anterior lymphadenopathy Inflamed tonsils No coryzal
What does individual need on fever pain criteria to obtain antibiotics
4
What are the indications for sending someone with pharyngitis to hospital
- Systemic infections
- Local complications: quinsy, parapharyngeal abscess, cellulitis, lemierre syndrome
What antibiotics are given first-line for pharyngitis
Phenoxymethylpenicillin
What are 3 complications of group A streptococcus pharyngitis
- Post-streptococcal
glomerulonephritis - Rheumatic fever
- Scarlet fever
Define tonsillitis
Inflammation of palatine tonsils
When are viruses a more common cause of tonsillitis
<5
When are bacteria a more common cause of tonsillitis
5-15
What are 2/3 tonsillitis caused by
Viruses