What is kava?

Kava (also known as 'kava kava') is a drug made from the roots of a plant in the pepper family (Piper methysticum).

It has traditionally been grown by Pacific Islander people for use as a social and ceremonial drink. Kava roots can be ground up and soaked in water to prepare the drink.

Kava also comes as a powder, capsules, extract or drops.

How will kava affect my body?

Kava can affect people differently, depending on many factors such as:

• your weight
• overall health
• the amount you take

Effects can include:

• feeling happy
• sleepiness
• numbness around the mouth and throat
• reduced appetite

Can taking kava cause harm?

If a large amount of kava is taken, the effects can include:

• drowsiness
• nausea (feeling sick)
• loss of muscle control
• mild fever
• bloodshot eyes or dilated pupils

Long-term or regular use of kava might lead to:

• weight loss
• mood swings or apathy
• breathing difficulties
• dry skin
• getting an infection more easily

Taking kava extract (which is different to the water-based drink) can lead to serious health problems, including liver damage.

What are the medical uses of kava?

Herbal medicines containing kava may help with sleep problems, stress and anxiety.

If you take any other medicines, talk to your doctor before taking kava.

Is it safe to take kava and drink alcohol?

There is no safe level of kava use.

The effects of kava when mixed with other drugs or alcohol can be unpredictable and dangerous.

Both alcohol and kava can make you drowsy. Kava can affect the way that your liver processes some medicines and substances.

Avoid using kava and alcohol together.

Resources and support

The Alcohol and Drug Foundation provides advice and information about kava.

Check the rules for travelling to Australia with kava.

You can also call the healthdirect helpline on 1800 022 222 (known as NURSE-ON-CALL in Victoria). A registered nurse is available to speak with 24 hours a day, 7 days a week.