Throat Infections Flashcards
Broadly speaking, what pathogens can cause tonsillitis?
Viruses and Bacteria
What symptoms suggest a bacterial cause of tonsillitis?
Fever
Exudate
Enlarged lymph nodes
Absent cough
Who is bacterial tonsillitis more common in?
Children
What type of bacteria typically cause tonsillitis?
Group A β-haemolytic strep
What algorithms can be used to decide if antibiotics should be prescribed?
Cantor Criteria
Fever-PAIN score
What do these algorithms look for?
Symptoms suggestive of bacterial tonsillitis
What antibiotic is typically front line for tonsillitis?
Penicillin V
What dose of Penicillin V is used to treat tonsillitis?
500mg QDS for 10 days
What antibiotic is used as a second line treatment for bacterial tonsillitis?
Clarithromycin
What dose of Clarithromycin is used to treat bacterial tonsillitis?
500mg BD for 5 days
How are points awarded using the Fever-PAIN score?
Fever in the last 24 hours (+1)
Purulent exudate (+1)
Attend in under 3 days (+1)
Inflamed tonsils (+1)
No cough or coryza (+1)
How should a patient with a Fever-PAIN score of 0-1 be treated?
No antibiotics
How should a patient with a Fever-PAIN score of 2-3 be treated?
Consider a 3-day delay before issuing antibiotics
How should a patient with a Fever-PAIN score of >4 be treated?
Use immediate antibiotics if severe, if not then issue 48hr delayed prescription
What viruses typically cause tonsillitis?
Rhinovirus
Adenovirus
What symptoms usually accompany viral tonsillitis?
URTI symptoms e.g. dry cough
Where do both forms of tonsillitis appear in the pharynx?
Typically bilaterally
Between the anterior and posterior pharyngeal arches
How does quinsy differ in appearance to tonsillitis?
Typically unilateral
Appears anterior to the pharyngeal arches
Uvula can deviate away from the lesion
What is another name for quinsy
Peritonsillar abscess
What bacteria can cause quinsy?
Strep. Pyogenes
How should quinsy be handled in Primary Care?
Immediate referral to ENT for drainage
What other symptoms can present with quinsy?
Trismus
Drooling
Dysphagia