Sinusitis Support Protocol

Respiratory/ENT HealthLimited Evidence
6
supplements
2
Primary
4
Supporting
0
Grade A
40
Studies

Primary Stack

Core supplements with strongest evidence
60,000-120,000 SPU daily on empty stomach

Proteolytic enzyme that may thin mucus and reduce inflammation in sinuses

Mucus Production
6 studies300 participants
600-1200mg daily

Mucolytic agent; thins mucus and supports drainage; antioxidant properties

10 studies600 participants

Supporting Stack

Additional supplements for enhanced results
500-1000mg daily between meals

Anti-inflammatory enzyme; may reduce swelling and improve sinus drainage

5 studies200 participants
1000-2000mg daily

Immune support; antioxidant; may reduce duration of respiratory infections

8 studies500 participants
500-1000mg daily

Natural antihistamine; anti-inflammatory; may reduce allergic component

5 studies250 participants
15-30mg daily

Immune support; may reduce duration of upper respiratory infections

6 studies400 participants

How This Protocol Works

Simple Explanation

Sinusitis is inflammation of the sinuses, the air-filled spaces behind your forehead, cheeks, nose, and between your eyes. It can be acute (short-term) or chronic (lasting 12+ weeks).

TYPES:

Acute sinusitis: Usually from viral cold; lasts <4 weeks
Subacute sinusitis: 4-12 weeks
Chronic sinusitis: >12 weeks; often with polyps
Recurrent acute: 4+ episodes per year

SYMPTOMS:

Facial pain/pressure (worse bending forward)
Nasal congestion and discharge
Reduced sense of smell
Post-nasal drip
Headache
Fever (acute bacterial)

CAUSES:

Viral infection (most common)
Bacterial infection (complicating viral)
Allergies
Nasal polyps
Deviated septum
Fungal (rare)

WHEN TO SEE A DOCTOR:

Symptoms >10 days without improvement
High fever (>102°F/39°C)
Severe headache or facial pain
Visual changes
Symptoms that worsen after initial improvement

FIRST-LINE TREATMENTS:

Saline irrigation: Most important; flushes sinuses
Intranasal corticosteroids: Reduce inflammation
Decongestants: Short-term only (3-5 days)
Antibiotics: Only if bacterial infection suspected

* NAC helps thin mucus for better drainage.

* Serrapeptase and bromelain may reduce inflammation.

* Immune support with vitamin C and zinc.

Expected timeline: Acute sinusitis usually resolves in 7-10 days. Supplements may help with symptom relief and recovery.

Clinical Perspective

Sinusitis: Acute (viral >90%, bacterial ~2%) vs chronic (>12 weeks). Diagnosis: clinical; imaging not needed for uncomplicated acute. Viral vs bacterial: bacterial suspected if symptoms >10 days, double worsening, severe onset with high fever + purulent discharge.

Treatment: Saline irrigation is cornerstone (proven effective). Intranasal corticosteroids for chronic and adjunct in acute. Antibiotics only for bacterial sinusitis (amoxicillin-clavulanate first-line). Chronic sinusitis may need ENT evaluation, CT, consideration of surgery. Supplements provide modest adjunctive support.

* Serrapeptase (C-grade): Mucolytic enzyme. Clinical study: (PMID: 2199676). 60,000-120,000 SPU daily.

* NAC (B-grade): Mucolytic. Review: (PMID: 10793665). 600-1200mg daily.

* Bromelain (C-grade): Anti-inflammatory. Clinical evaluation: (PMID: 16904534). 500-1000mg daily.

* Vitamin C (C-grade): Immune support. Cochrane: (PMID: 23440782). 1000-2000mg daily.

* Quercetin (C-grade): Antihistamine. Review: (PMID: 27187333). 500-1000mg daily.

* Zinc (C-grade): Immune support. Systematic review: (PMID: 28515951). 15-30mg daily.

Assessment targets: Symptom resolution, imaging if chronic/refractory.

Protocol notes: Saline irrigation: most important intervention; neti pot or squeeze bottle; use distilled/boiled water. Nasal corticosteroids: fluticasone, budesonide; safe long-term. Decongestants: limit to 3-5 days to avoid rebound. Antibiotics: wait 10 days unless severe; amoxicillin-clavulanate 875mg BID x 5-7 days. Chronic: consider allergies, polyps, anatomic issues; CT sinus; ENT referral. Red flags: orbital symptoms, severe headache, altered mental status (rare complications). Prevention: allergy management, humidifier, avoid irritants.