EUCALYPTUS RADIATA is the most useful Eucalyptus because it smells better and is more easily assimilated. It is most useful for sinus conditions because it can be inhaled very closely without triggering a cough reflex. Many sources say it is the oil of choice for infections high up in the chest. A traditional aboriginal remedy, eucalyptus is a powerful antiseptic used all over the world for relieving coughs and colds, sore throats and other infections. The leaves cool the body and relieve fever. Inhaling the vapors of the essential oils heated in water clears sinus and bronchial congestions. Eucaliptol, one of the substances found in the essential oil, is one of the main constituents of the many existing commercial formulas of chest rubs for colds. The essential oil has also strong anti-biotic, anti-viral and anti-fungal action. Eucalyptus is a common ingredient in many over-the-counter cold remedies.  One property that is far less known is that it increases circulation which makes it a powerful synergist.

Eucalyptus essential oil has antiseptic and germicidal qualities leading to its extensive use in healing wounds, ulcers, burns, cuts, abrasions and sores. It is an effective salve for insect bites and stings while protecting the open wound or irritated area from developing infections from microbial activity and exposure to the air.

Eucalyptus oil is used effectively for treating a number of respiratory problems including cold, cough, runny nose, sore throat, asthma, nasal congestion, bronchitis and sinusitis as it is antibacterial, antifungal, antimicrobial, antiviral, anti-inflammatory and decongestant in nature, which makes it a good ingredient in many medicines that treat respiratory problems.

Massaging eucalyptus oil onto the chest can have a soothing effect that will calm the throat, dilate the blood vessels and allow more oxygen into the lungs so normal breathing can be achieved and this makes it useful in asthmatic situations.  It can also be massaged into the surface of the skin helps to relieve stress and pain.  The analgesic and anti-inflammatory nature of eucalyptus lend a beneficial quality to those suffering from rheumatism, lumbago, sprained ligaments and tendons, stiff muscles, aches, fibrosis and even nerve pain. Massage in a circular motion on the affected areas of the body to gain relief. 

It is effective against lice and intestinal germs.  Ingesting eucalyptus oil can deter many of the bacterial, microbial, and parasitic conditions that arise in various parts of the body, particularly susceptible areas like the colon and intestine as well as control blood sugar.  It is useful for reducing fever and for treating pneumonia and tuberculosis.