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Eucalyptus Oil for Sinus Infection

Evidence-Based Natural Remedy Guide

Effectiveness

★★★★★

Type

essential oil

Sources

1 cited

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How Eucalyptus Oil Helps with Sinus Infection

Eucalyptus oil's 1,8-cineole opens sinus passages, thins mucus, and has antimicrobial properties against bacteria that cause sinus infections.

🔬 What the Research Says

A 2010 randomized trial in Respiratory Medicine found cineole (eucalyptus main component) significantly improved sinus symptoms and nasal airflow compared to placebo in acute sinusitis.

[1] Cineole treatment for acute sinusitis — Respiratory Medicine (2010)

📋 How to Use

Steam inhalation: add 5-7 drops to a bowl of hot water, tent a towel over head, and breathe deeply for 10 minutes. Repeat 2-3 times daily.

💊 Recommended Dosage

5-7 drops eucalyptus oil in steam inhalation, 2-3 times daily. Or use in a diffuser throughout the day.

⚠️ Side Effects & Cautions

Do not ingest essential oil. Avoid near faces of infants. May cause irritation in very sensitive individuals.

🛒 Where to Buy Eucalyptus Oil

NOW Essential Oils Eucalyptus

★★★★★ 4.7 · $6-10

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Other Natural Remedies for Sinus Infection

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Other Conditions Eucalyptus Oil Helps

Ear Infection

Eucalyptus oil contains 1,8-cineole which opens Eustachian tubes, relieves congestion contributing t...

Allergies

Eucalyptus oil's 1,8-cineole opens airways, reduces nasal congestion, and has anti-inflammatory effe...

📚 Sources

Cineole treatment for acute sinusitis — Respiratory Medicine (2010)

Last reviewed: February 2026 · Medical disclaimer applies

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