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Sinusitis and Eucalyptus Oil

Read more about Eucalyptus Oil.

Effect of Eucalyptus Oil on Sinusitis

An extract of eucalyptus oil, cineole, is thought to thin mucous characteristic of sinusitis.

Find other natural remedies for sinus infections.

Research Evidence on Eucalyptus Oil

A double-blind, placebo-controlled study of 152 people found that eucalyptus oil could be helpful for viral sinusitis (which is essentially a "head cold").2 The dosage was two 100-mg capsules of cineole taken 3 times daily. By day four, symptoms were significantly less in the treatment group as compared to the placebo group; the difference was even greater at day seven.

Another study found benefit using a combination therapy that contains cineole. This product, called essential oil monoterpenes, contains, in addition to cineole, d-limonene from citrus fruit and alpha-pinene from pine. In a double-blind placebo-controlled study of about 300 people, use of this product markedly improved symptoms of acute viral sinusitis as compared to placebo.3


  1. Kehrl W, Sonnemann U, Dethlefsen U. Therapy for acute nonpurulent rhinosinusitis with cineole: results of a double-blind, randomized, placebo-controlled trial. Laryngoscope. 2004;114:738-742.
  1. Federspil P, Wulkow R, Zimmermann T. Effects of standardized Myrtol in therapy of acute sinusitis—results of a double-blind, randomized multicenter study compared with placebo. Laryngorhinootologie. 1997;76:23-27.