* The side effects of internal use of eucalyptus may include nausea, vomiting, and diarrhea.
* Overdoses of eucalyptus oil may cause life-threatening poisonings. Symptoms include a drop in blood pressure, collapse, and asphyxiation. Sometimes initial symptoms of toxicity are vomiting and epigastric pain, followed by nervous system depression and coma.
 ==The benefits Health Benefits and Uses of Eucalyptus are==
There are many medicinal benefits of Eucalyptus Oil and it is most commonly used in chest rubs, decongestants, cough remedies and muscle & joint ointments.
*most commonly used as a Decongestant. It is quite helpful during winter season, when it is cold. You can put 4-5 drops of eucalyptus oil in a hot compress and apply on the chest. You can also mix 2 drops of Eucalyptus oil in 2 teaspoons of carrier oil and apply as a chest rub.
*The antiseptic properties of eucalyptus oil confer some anti-malarial action, but it cannot take the place of Cinchona.
*[[Tuberculosis (TB)]] : Research from the University of Illinois’ College of Pharmacy has found that eucalyptus essential oil can be used to stop the spread of tuberculosis from those who are contagious.
==Main Combinations==
*Respiratory infections : Eucalyptus globulus + Propolis
*Deep Cough : Eucalyptus globulus + white marove
*Nighttime cough: Eucalyptus globulus + [[poppy]]
*Aphonia : Eucalyptus globulus + Propolis
==References==
* ''Robert Tisserand and Rodney Young, Essential Oil Safety (Second Edition. United Kingdom: Churchill Livingstone Elsevier, 2014), 273.''