Generic: Eucalyptus oil
treats Decongestant/expectorant, Skin ulcers, Arthritis, Dental plaque/gingivitis, Headache, Tick repellant, Smoking cessation, and Asthma
Interactions with Drugs
Multiple case reports associate eucalyptus oil taken by mouth with slowing of the mind and nervous system. These symptoms may be worsened when eucalyptus is taken with sedating medications. Examples include benzodiazepines such as lorazepam (Ativan®) or diazepam (Valium®), barbiturates such as phenobarbital or pentobarbital, narcotics such as codeine, some antidepressants, and alcohol. Caution is advised while driving or operating machinery. Eucalyptus may also interact with amphetamine.
Eucalyptus should be taken with caution if combined with medications that lower blood sugar. Patients taking drugs for diabetes by mouth or insulin should be monitored closely by a qualified healthcare provider. Medication adjustments may be necessary.
Several components of eucalyptus interfere with the way the body processes certain drugs using the liver's "cytochrome P450" enzyme system. As a result, the levels of these drugs may be decreased in the blood with reduced intended effects. Patients using any medications should check the package insert and speak with a healthcare provider or pharmacist about possible interactions.
When applied to the skin with 5- fluorouracil lotion (5- FU, Efudex®, Carac®), eucalyptus may increase the absorption of 5- FU.
Interactions with Herbs and Dietary Supplements
Eucalyptus may lower blood sugar levels. Caution is advised when using herbs or supplements that may also lower blood sugar. Blood glucose levels may require monitoring, and doses may need adjustment.
Eucalyptus may interfere with the way the body processes certain herbs or supplements using the liver's "cytochrome P450" enzyme system. As a result, the levels of other herbs or supplements may become too low in the blood. In addition, levels of eucalyptus in the body may be affected by herbs or supplements that affect the P450 system, such as bloodroot, cat's claw, or chamomile.