
Eucalyptus
Eucalyptus globulus
Other names: Eucalyptus
Photo credit: Ian Brooker and David Kleinig
This plant carries serious safety risks. All information is for educational reference only.
Safety information
Toxicity: Serious if essential oil ingested — do not take oil internally without supervision. | Essential oil is toxic if swallowed in quantity.
Contraindications: Do not give the essential oil to infants/small children. | None specifically reported.
Interactions: None specifically noted. | None reported.
Evidence level
Supported by laboratory or animal studies; not yet confirmed in humans.
Preparations
This plant carries serious safety risks. All information is for educational reference only.
infusion · leaf
Part used: leaf
Traditional use: Traditionally used (leaf) internally as a decongestant and expectorant and topically as an antimicrobial; the essential oil is used in aromatherapy and inhalations.
How to prepare (traditional): Infusion: pour 1 cup of boiling water over 1-2 teaspoons of leaves and infuse, covered, 10-15 minutes.
Dosage note (descriptive only): Drunk three times a day. Commission E: 4-6 g leaf daily.
Reference only — not a dosage instruction
tincture · leaf
Part used: leaf
Traditional use: Expectorant / antimicrobial.
How to prepare (traditional): Tincture at 1:5 in 25% alcohol.
Dosage note (descriptive only): 1 ml three times a day.
Reference only — not a dosage instruction
other · leaf
Part used: leaf
Traditional use: Traditionally used for sore throats.
How to prepare (traditional): Lozenges containing eucalyptus.
Dosage note (descriptive only): Taken for sore throats.
Reference only — not a dosage instruction
powder · leaf
Part used: leaf
Traditional use: Traditionally taken for bronchitis.
How to prepare (traditional): Capsules.
Dosage note (descriptive only): For bronchitis, the book suggests a 200 mg capsule three times a day.
Reference only — not a dosage instruction
oil · leaf
Part used: leaf
Traditional use: Traditionally used for colds, congestion, and as a warming chest/sinus rub.
How to prepare (traditional): Essential oil (distilled from leaves) used by inhalation (10 drops added to boiling water) or, diluted in carrier oil, as a chest or sinus rub.
Dosage note (descriptive only): For inhalation, the book suggests 10 drops in boiling water; as a rub, 5 drops diluted with 2 tsp carrier oil.
Reference only — not a dosage instruction
Associated conditions
Nutritional notes
Not a food.
Healing traditions
Sources (2)
- Encyclopedia of Herbal Medicine (book, p.112) — Andrew Chevallier, English, 2016
- Hoffmann D., Medical Herbalism (2003) — materia medica, Eucalyptus globulus