Anti viral oils kill or inhibit the growth of viruses. They also fight viral infections by stimulating and strengthening the body's immune response to the infection.

Some anti viral oils include Bergamot, Eucalyptus, Tea Tree, Rose and Lavender.

Bergamot
Used to treat cystitis and urethritis. (See a doctor first).
Used in a bath, or as a wash (1 drop to 10 ml of water.)
The linalyl acetate and limonene in bergamot have anti viral properties

Eucalyptus
This is best used for colds in a steam inhalation. It inhibits the growth of the cold virus. (Also see a doctor first)
Put a few drops of oil around your bed and diffuse the oil in the room to prevent the spread of the virus.
The gamma-Terpinene in eucalyptus has anti viral properties.

Lavender
Also useful for colds and coughs. Used in steam inhalation. Often used with other anti viral oils to enhance their effects.
The Beta Caryophyllene, Linalol and linalyl acetate have anti viral properties.

Rose
The citronellol in rose has anti viral properties

Tea Tree
This oil is famous for its anti-infectious action. It is active against viruses.
It also stimulates your immune system when threatened by viruses.
Use as a steam inhalation and around your bed at the first sign of a cold.
It is also used for cold sores. Apply directly on the cold sore. (But check for allergies first.)
The gamma Terpinene and alpha Sabines in tea tree oil have anti viral properties.

How to use

Vaporise the oils using a burner
Mix 50 mil of water with 50 drops of the oil shake well and spray immediately in the room.
Take a bath with a few drops of the oils in the bath water
On the first signs of flu, add 3 drops of the oil to a bowl of very hot water and breathe in the vapours (Not if you have asthma as the steam could trigger an asthma attack)
Put a drop of the oils on your pillow when you sleep.

Caution

Seek a doctor's advice if you plan to use essential oils when pregnant or have any medical condition.