Approach to Patients with Sore Throat

Objectives

  • Enumerate causes of a case presented with the complaint of sore throat.
  • Identify reasons that led patients to seek help for a sore throat.
  • Differentiate between viral and bacterial causes of sore throat.
  • Discuss the common symptoms and signs of sore throat.
  • Identify different modalities and benefits of investigations in a case of throat.
  • Discuss appropriate management options for a case of sore throat.
  • Identify indications for tonsillectomy.
  • Use the watchful waiting strategies for use of antibiotics and referrals to tonsillectomy.
  • Adopt both modification of help-seeking behavior and opportunistic health promotion in such cases.

CASE SCENARIO

Khalid is a 20-year old college student. He presents with history of lethargy for 3 days and a sore throat that started today.

  • He is also having runny nose and mild red itchy eyes.
  • Throat is so sore that he can hardly swallow solid food.
  • He does not have any known drug allergies and takes no regular medications.

On examination:

  • Temperature is 37.8°C, and tonsillar congestion present.
  • He is well hydrated. There are no other signs or symptoms.
  • He is anxious about his illness as he is sitting a final 2nd year exam next week.

What’s Sore Throat?

It’s a painful inflammation of the mucous membranes lining the pharynx.

Sore Throat Causes

  • Acute pharyngitis, tonsillitis, or acute exudative tonsillitis may all cause sore throat. These are considered together under the term ‘sore throat’.

Differential Diagnosis

  • Pharyngitis
  • Tonsillitis
  • Epiglottitis
  • Peritonsillar abscess
  • Laryngitis
  • GERD

Etiology

  • Viral cause (50 to 80%), including influenza and primary herpes simplex, Epstein-Barr virus (EBV).
  • Bacterial causes, most common is (GABHS). Others are:
    • Chlamydia pneumonia
    • Mycoplasma pneumonia
    • Haemophilus influenza
    • Neisseria meningitides
    • Neisseria gonorrhoeae (5-36%).
  • Fungal cause, including Candida.

Noninfectious Causes

  • Irritants
  • Allergies
  • Stomach acid ‘GERD’
  • Injuries
  • Muscle strain
  • Dryness
  • Tumors

Why are Patients Seeking Help for a Sore Throat?

  • A UK study found that only one in 18 episodes of sore throat led to a GP consultation.
  • Practitioners should be aware of underlying psychosocial influences in patients presenting with sore throat.

Reasons for Seeking Help

  • Affecting Function
  • Relieve the symptoms
  • Sick leave
  • Medication “Antibiotics”
  • Psychosocial factors.