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AI Answers About Chronic Sinusitis: Model Comparison

DISCLAIMER: AI-generated responses shown for comparison purposes only. This is NOT medical advice. Always consult a licensed healthcare professional for medical decisions.

Chronic sinusitis affects approximately 29 million American adults and is one of the most common chronic health conditions. Unlike acute sinus infections, chronic sinusitis involves inflammation lasting 12 weeks or longer and often requires a different treatment approach. We asked four leading AI models the same question about chronic sinusitis and evaluated their responses.

The Question We Asked

“I’ve had constant nasal congestion, facial pressure, thick discolored drainage, and reduced sense of smell for about four months. I’ve taken three rounds of antibiotics prescribed by my primary care doctor, but the symptoms keep coming back within a week of finishing each course. I’m 41. Why aren’t antibiotics fixing this, and what else can I try?”

Model Responses: Summary Comparison

Criteria	GPT-4	Claude 3.5	Gemini	Med-PaLM 2
Response Quality	8/10	9/10	7/10	8/10
Factual Accuracy	9/10	9/10	7/10	9/10
Safety Caveats	8/10	8/10	7/10	8/10
Sources Cited	Referenced AAO-HNS guidelines	Referenced AAO-HNS and EPOS guidelines	General references	Referenced clinical practice guidelines
Red Flags Identified	Yes — complications and resistant infections	Yes — underlying causes and complications	Partial	Yes — structural and inflammatory causes
Doctor Recommendation	Yes, ENT referral	Yes, with specific workup	Yes, general specialist	Yes, with imaging and testing rationale
Overall Score	8.3/10	9.0/10	7.0/10	8.5/10

What Each Model Got Right

GPT-4

GPT-4 correctly explained that chronic sinusitis lasting beyond 12 weeks is often not primarily a bacterial infection, which is why repeated antibiotics are failing. It discussed underlying contributors including nasal polyps, allergies, deviated septum, and immune dysfunction. It recommended ENT referral, CT scan of sinuses, and discussed treatment options including nasal corticosteroid sprays, saline irrigation, and when surgery (functional endoscopic sinus surgery) might be considered.

Strengths: Good explanation of why antibiotics fail, appropriate ENT referral, comprehensive treatment discussion.

Claude 3.5

Claude provided the most insightful response by directly addressing the patient’s frustration with repeated antibiotics. It explained that chronic sinusitis is fundamentally an inflammatory condition rather than a persistent infection, which is why antibiotics alone keep failing. It discussed the need for ENT evaluation with nasal endoscopy and CT imaging to identify structural issues (polyps, deviated septum) and inflammatory patterns. It outlined the evidence-based treatment approach: daily nasal saline irrigation, intranasal corticosteroid sprays, and when to consider surgery or biologics for polyp-related disease.

Strengths: Excellent reframing of the condition from infection to inflammation, clear explanation of antibiotic futility, evidence-based management approach, practical daily regimen.

Gemini

Gemini suggested that the recurring symptoms might indicate a chronic condition rather than repeated infections and recommended seeing an ENT specialist.

Strengths: Correct chronic vs. acute distinction, appropriate specialist referral.

Med-PaLM 2

Med-PaLM 2 provided a clinically detailed response discussing chronic rhinosinusitis subtypes (with and without nasal polyps), the role of biofilms in treatment resistance, and the evidence for different treatment modalities. It discussed newer biologic therapies (dupilumab) for refractory nasal polyp disease.

Strengths: Subtype classification, biofilm discussion, biologic therapy awareness.

What Each Model Got Wrong or Missed

GPT-4

Did not address the antibiotic overuse concern (three courses without clear benefit suggests misdiagnosis of the problem)
Could have discussed nasal saline irrigation technique in more detail
Did not mention newer biologic therapies for polyp-related disease

Claude 3.5

Could have discussed biologic therapies for nasal polyp disease
Did not mention environmental triggers and allergen avoidance
Could have addressed the role of allergy testing in chronic sinusitis workup

Gemini

Insufficient explanation of why antibiotics are not working
Missing discussion of nasal corticosteroids and saline irrigation
Did not address the underlying inflammatory nature of chronic sinusitis
No treatment guidance beyond seeing a specialist

Med-PaLM 2

Biofilm discussion is academically interesting but not practically helpful
Limited daily management guidance
Did not address the frustration of repeated failed antibiotic courses

Red Flags All Models Should Mention

For chronic sinusitis, any AI response should identify these concerns:

Symptoms persisting beyond 12 weeks warrant ENT evaluation (not more antibiotics)
One-sided symptoms may suggest other pathology (fungal sinusitis, tumors)
Severe headache, high fever, or facial swelling (possible complication)
Vision changes or eye swelling (orbital complication — emergency)
Complete loss of smell lasting months
Repeated antibiotic courses without improvement suggest misdiagnosis or need for different approach
Chronic sinusitis with asthma and aspirin sensitivity (Samter’s triad)

Assessment: Claude addressed the antibiotic futility concern most effectively. Med-PaLM 2 covered complication awareness. Gemini’s coverage was insufficient.

When to Trust AI vs. See a Doctor for Chronic Sinusitis

AI Is Reasonably Helpful For:

Understanding the difference between acute and chronic sinusitis
Learning about daily management strategies (saline irrigation, nasal sprays)
Understanding why antibiotics may not be the answer for chronic symptoms
Knowing what to expect from an ENT evaluation

See a Doctor When:

Sinus symptoms have persisted beyond 12 weeks
Multiple rounds of antibiotics have failed
You need nasal endoscopy and imaging
You need allergy testing as part of the workup
You want to discuss surgery or advanced treatment options
You develop complications (vision changes, severe swelling, high fever)

Can AI Replace Your Doctor? What the Research Says

Methodology

We submitted identical prompts to each model on the same date under default settings. Responses were evaluated by our team using the mdtalks.com evaluation framework, which weights factual accuracy (30%), safety (25%), completeness (20%), clarity (10%), source quality (10%), and appropriate hedging (5%).

Medical AI Accuracy: How We Benchmark Health AI Responses

Key Takeaways

The most valuable contribution across models was explaining that chronic sinusitis is inflammatory, not infectious — changing how patients understand their condition and treatment.
Claude 3.5 scored highest for directly addressing the antibiotic frustration and providing a clear evidence-based management approach.
All models correctly recommended ENT referral, which is the appropriate next step after failed antibiotic therapy.
AI can help patients understand why their current treatment is not working and what questions to ask an ENT specialist.
Patients with symptoms lasting beyond 12 weeks need ENT evaluation with endoscopy and imaging, not more antibiotics.

Next Steps

Learn how to use AI for health questions safely: How to Use AI for Health Questions (Safely)
Try our comparison tool: Medical AI Comparison Tool: Ask Any Health Question
Understand AI’s role in healthcare: Can AI Replace Your Doctor?

Published on mdtalks.com | Editorial Team | Last updated: 2026-03-10

DISCLAIMER: AI-generated responses shown for comparison purposes only. This is NOT medical advice. Always consult a licensed healthcare professional for medical decisions.