The Possible Health Benefits Of Eucalyptus Oil.
By: Patrick Mansfield | U.S. Health Alerts

The Possible Health Benefits of Eucalyptus Oil.
The eucalyptus tree is used for medicinal treatment by using its dried leaves and oil to create ointments and nutritional supplements. Although commonly used, scientific evidence is lacking. 

Eucalyptus leaf is often used to holistically treat a range of
health issues including:
Whooping cough
Pulmonary tuberculosis
Joint pain
Parasites such as ringworm
Liver or gallbladder issues
Loss of appetite

Considering eucalyptus oil is extremely potent, it should always be diluted for safety. When diluted, the oil can be taken by mouth to improve a variety of other symptoms and conditions including:
  • Pain and swelling of the mucous membrane in the respiratory tract
  • Bronchitis
  • Sinus pain and pressure
  • Asthma
  • Chronic obstructive pulmonary disease
  • Respiratory infections
The diluted oil, which possesses antiseptic properties, is also commonly used to loosen coughs, reduce fever, treat wounds, heal burns, treat ulcers, and fight cancer. It can also be utilized in vaporizer fluids.

When applied to the skin, diluted eucalyptus oil is capable of reducing the pain and swelling associated with inflamed mucous membranes in the respiratory tract, joint pain, genital herpes, and nasal congestion. It is also sometimes applied as an insect repellent.

Other Uses

The oil is often used as an ingredient in sealers and solvents for root canal fillings in the dental industry. In the food industry, dried eucalyptus leaf is sometimes utilized as a flavoring agent. 

In manufacturing, the oil is sometimes used as a fragrance in perfumes and cosmetics. Eucalyptus is also a common ingredient in products such as nutritional supplements, mouthwash, antiseptic ointments, toothpaste, cough drops, and throat lozenges. 


The Natural Medicines Comprehensive Database rates the potency of holistic medicines based on scientific evidence. Their scale is as follows: Effective, Likely Effective, Possibly Effective, Possibly Ineffective, Likely Ineffective, Ineffective, and Insufficient Evidence to Rate. Read on for the ratings of several health conditions according to this scale. 

Possibly Effective Against Bronchitis 

Certain studies have found that taking a product composed of eucalyptol - a chemical compound found in eucalyptus - along with pine and lime extracts by mouth for a minimum of 2 weeks can improve symptoms and decrease flare-ups in adults suffering from bronchitis. 

Conditions With Insufficient Evidence to Rate

Some conditions show promising results from treatment with eucalyptus. However, research is still limited in the following areas. 


In people suffering from pain and depression associated with arthritis, early research shows a possibility of aromatherapy - consisting of a mixture of eucalyptus, lavender, marjoram, rosemary, and peppermint oils - reducing these negative effects. 


Preliminary research suggests that eucalyptol may possess the ability to break down mucus in asthma sufferers. Consumption of eucalyptol may even reduce the required dosage of steroid medications in people with serious asthma. Of course, it is crucial to never attempt lowering your dosage of any medication without first consulting with your doctor. 

Dental plaque

Chewing gum that includes 0.3% eucalyptus extract may reduce dental plaque in certain people according to early research. 


According to early studies, applying a product containing a mixture of eucalyptus oil, peppermint oil, and ethanol to the head in hopes of treating a headache failed to produce noticeable results. However, when applied during a headache, eucalyptus extract may increase a person's ability to think more clearly and relax.
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