Clinical Summary of the Situation

• Purulent posterior pharyngeal discharge
• Foreign body / scratchy sensation
• White spots on posterior pharyngeal wall (likely prominent lymphoid follicles / mucus pooling)
• Nasopharyngoscopy (NPL) showing only chronic pharyngitis
• Prior antibiotics (azithromycin, doxycycline) not curative
• DNS (deviated nasal septum) identified as a probable underlying cause

What to Do Without DNS Surgery

1. Address Post-Nasal Drip (the primary driver)

• Fluticasone furoate, mometasone, or budesonide - one spray each nostril once daily
• Reduces nasal mucosal edema on the concave side of the DNS, improves drainage and reduces post-nasal drip
• Must be used for minimum 4-6 weeks consistently before judging response
• Per Scott-Brown's: "if physical examination bears out evidence of post-nasal drip, it should be treated appropriately with intranasal steroids" - Scott-Brown's Otorhinolaryngology Head & Neck Surgery, Ch. 51

• Large-volume low-pressure irrigations (e.g. Jala neti pot, NeilMed squeeze bottle) twice daily
• Mechanically clears secretions, removes dried crusts, moisturizes the mucosa
• Proven to reduce symptom burden in chronic rhinosinusitis and DNS-related post-nasal drip
• This is the single most underused and most effective non-surgical intervention for DNS-related pharyngitis

• Oxymetazoline or xylometazoline can open the obstructed side for up to 3-5 days during acute flares only
• Do NOT use beyond 5 days - risk of rhinitis medicamentosa

2. Re-evaluate the Antibiotic Strategy

• A patient can carry GAS in the pharynx without true infection
• Most macrolides and tetracyclines fail to eradicate carriage
• Throat swab for culture and sensitivity is now mandatory if not yet done
• Per Red Book 2021: "GAS carriage is difficult to eradicate with conventional antimicrobial therapy. Oral clindamycin, 20-30 mg/kg/day in 3 doses for 10 days, has been reported to be most effective." - Red Book 2021, Committee on Infectious Diseases
• Alternatively: amoxicillin-clavulanate, cephalosporins (cephalexin, cefadroxil), or penicillin V with rifampin for the last 4 days

• Do a throat swab + C&S before prescribing the next antibiotic
• If Klebsiella, H. influenzae, Moraxella, or Fusobacterium is growing - these require targeted therapy (amoxicillin-clavulanate is often appropriate)
• If MRSA is suspected - clindamycin or co-trimoxazole
• Avoid empirical macrolides again given prior failure

• White spots on the posterior pharynx can be candidal plaques, not just lymphoid hyperplasia
• Especially if any inhaled corticosteroids, recent antibiotics, or even partial immunosuppression is present
• Treatment: oral nystatin suspension or fluconazole 150 mg single dose (or 100 mg x 7 days for oropharyngeal candidiasis)
• A KOH prep or culture from a throat swab can confirm this

3. Treat GERD/LPR (Laryngopharyngeal Reflux)

• Classic LPR may have no heartburn - only posterior throat symptoms, mucus sensation, and morning hoarseness
• Start an empirical trial of proton pump inhibitor (PPI) - omeprazole 20-40 mg or pantoprazole 40 mg - taken 30-60 minutes before the first meal of the day
• Give it 8-12 weeks - LPR responds slowly
• Lifestyle: avoid meals 3 hours before sleep, elevate head of bed, reduce spicy/acidic food, coffee, and carbonated drinks

4. Oral Hygiene and Local Pharyngeal Care

• Chlorhexidine gluconate gargles (0.2%) or povidone-iodine gargles twice daily can reduce bacterial load on the posterior pharyngeal wall
• Benzydamine hydrochloride (Tantum Verde) gargles/spray for local anti-inflammatory effect
• Throat lozenges containing AMC/DCBA (e.g. Strepsils) for symptomatic relief, though evidence for lasting benefit is limited per Scott-Brown's

5. Consider Referral and Further Workup

6. Allergen/Irritant Avoidance

• Dry air (use a bedroom humidifier, target 40-60% relative humidity)
• Dust, smoke, indoor pollutants (NO2, SO2 from gas stoves, incense) - all listed as aetiological factors in Scott-Brown's
• Mouth breathing at night (secondary to DNS obstruction) - dries the posterior pharynx further; a nasal dilator strip at night can partially help

Summary of Priority Actions

Important note: The white spots deserve careful inspection - they could be tonsilloliths (tonsillar stones causing purulent odor and discharge), lymphoid follicles, mucus adherent to follicles, or candidal plaques. A clinician should directly visualize and possibly swab these to guide the next step. If tonsilloliths are present, they can be mechanically dislodged with irrigation and are a self-perpetuating source of chronic symptoms.