Eucalyptus is a tree. Dried leaves and oil are used to make medicines. Although eucalyptus is used for medical purposes for many purposes, so far there is insufficient scientific evidence to be considered effective for any of them.

The leaf of eucalyptus is used for infections, fever, stomach upsets and to help relax cough. The sheet is also used for the treatment of respiratory tract infections, long-term cough, asthma, pulmonary tuberculosis, osteoarthritis, joint pain (rheumatism), acne, wounds, lack of healing of ulcers, burns, bacterial dysentery, erythematosus, gall bladder, and cancer.

Eucalyptus oil should not be taken orally or applied to the skin with full strength. It must be diluted for safety reasons. Diluted oil is taken by mouth for pain and swelling of the respiratory tract mucosa, cough, bronchitis, pain and inflammation of the vagina, asthma, chronic obstructive pulmonary disease (COPD) and respiratory infections. It is also used as an expectorant to relax cough, antiseptic, fever inhibitor and as a broncholytic. Other uses include the treatment of wounds, burns, ulcers, and cancer.

Eucalyptus oil contains chemicals that can help pain and inflammation.

The diluted eucalyptus oil is applied directly to the skin for pain and swelling of the mucous membranes of the respiratory tract, joint pain, genital herpes and nasal fullness. It is also used as an insect repellent.

In dentistry, eucalyptus oil is included in products used as sealants and solvents to fill the roots.

In the construction, eucalyptus oil is used as a perfume in perfumes and cosmetics. It is also used as a mouth, antiseptic, ointment and ointment and to toothpaste, cough drops and pastilles.