Sore Throat/Tonsillitis Flashcards
What can sore throat be?
Acute pharyngitis (inflammation of the oropharynx)
Tonsillitis
Laryngitis
What can cause sore throat?
Viral: Common cold - rhinovirus, coronavirus, parainfluenza virus Influenza type A and B Adenovirus Herpes simplex EBV
Bacteria
Group A beta-haemolytic Streptococcus
What investigation sin sore throat?
Throat swabs should not be taken routinely
Clinical diagnosis
What is management of sore throat?
Reassure
Symptomatic relief: regular ibuprofen and paracetamol
Consider mouthwashes or spread
Do not routinely provide antibiotics
What are the centor criteria
C - absence of cough
E - tonsillar exudates present
N - tender anterior cervical lymphadenopathy
T - history of fever
Presence of 3 or 4 of these criteria suggest infection due to Streptococcus and patients may benefit from antibiotics
What are indications for antibiotics?
Centor criteria 3+ Features of marked systemic upset Unilateral peritonsilitis Hx of rheumatic fever Increased risk from acute infection (child with DM/ immunocompromised)
What antibiotics for sore throat?
Penicillin V (phenoxymethylpenicillin) for 10 days Calrithromycin/erythromycin 5d if pen-allergic
Avoid amoxicillin which causes pathognomonoic rash in all EBV pharyngitis
What are complications of tonsillitis?
Otitis media Sinusitis Peritonsillar abscess (quinsy) Parapharyngeal abscess - swelling in neck - incise and drain under GA Lemierre syndrome
What is quinsy? Management?
Sore throat, dysphagia, peri-tonsillar bulge, uvular deviation, trismus (reduced opening of jaw) and muffled voice
Abx and aspiration required
What is Lemierre syndrome
Acute septicaemia and jugular vein thrombosis sendoary to infection with Fusobacterium species and septic emboli
What are indications for tonsillectomy?
All 3 of:
- Recurrent sore throat is due to tonsillitis
- Episodes of sore throat are disabling and prevents normal functioning
- 7+ well documented, clinically significant, adequately treated sore throats in preceding year, 5+ is each of last 2
Recurrent febrile convulsions secondary to tonsilitis
OSA, stridor, dysphagia due to tonsils
Peritonsillar abscess fi unresponsive
What are complications of tonsillectomy?
Primary haemorrhage <24h - immediate return to theatre Secondary haemorrhage (>24h but typically after 5-10 days) due to infection of tonsillar fossa - Treat with IV antibiotics
What causes Scarlett fever? Signs?
Endotoxins released by Strep progenies (GABHS)
Rash develops on chest, axilla, behind ears 12-48h after initial sore throat and fever
Red pin-prick blanching rash, facial flushing, strawberry tongue
Scarlett
SAUNA then RASH
What is management for Scarlett fever?
Penicillin V (clarithromycin if pen allergic) for 10d
What are complications of Scarlett fever?
Post-infective demyelinating disorder