Essential Oil Monoterpenes
Eucalyptus oil is a standard ingredient in cough drops and cough syrups, as well as oils added to humidifiers. A standardized combination of eucalyptus oil plus two other
DIM also has complex interactions with the hormone estrogen, which could lead to either positive or negative effects on cancer risk.
Therapeutic Uses of Essential Oil Monoterpenes
Most, though not all, studies indicate that oral use of essential oil monoterpenes can help acute bronchitis, chronic bronchitis, and sinus infections. 2-7
For example, a
One study weakly indicates that essential oil monoterpenes may be helpful for colds in children.
Essential oil monoterpenes are thought to work by thinning mucus.
In studies, this essential oil combination was taken at a dose of 300 mg three to four times daily.
Other than minor gastrointestinal complaints, no side effects have been reported with this essential oil combination. However, be advised that essential oils can be toxic if taken in excess. Maximum safe doses in young children, women who are pregnant or nursing, and individuals with severe liver or kidney disease have not been established.
1. Sengespeik HC, Zimmermann T, Peiske C, et al. Myrtol standardized in the treatment of acute and chronic respiratory infections in children. A multicenter post-marketing surveillance study. Arzneimittelforschung . 1998;48:990–994.
2. 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.
4. Meister R, Wittig T, Beuscher N, et al. Efficacy and tolerability of Myrtol standardized in long-term treatment of chronic bronchitis. A double-blind, placebo-controlled study. Study Group Investigators. Arzneimittelforschung . 1999;49:351–358.
5. Matthys H, de Mey C, Carls C, et al. Efficacy and tolerability of Myrtol standardized in acute bronchitis. A multi-centre, randomised, double-blind, placebo-controlled parallel group clinical trial vs. cefuroxime and ambroxol. Arzneimittelforschung . 2000;50:700–711.
7. Dorow P, Weiss T, Felix R, et al. Effect of a secretolytic and a combination of pinene, limonene and cineole on mucociliary clearance in patients with chronic obstructive pulmonary. Arzneimittelforschung . 1987;37:1378–1381.
Last reviewed April 2009 by EBSCO CAM Review Board
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