Common side effects
- Upset stomach
- Headache
- Dizziness
- Numbness in the mouth (normal, and short-lived)
The liver risk
Kava has been linked to rare cases of severe liver injury, including hepatitis and liver failure. The FDA issued a consumer advisory about this risk. It's rare, but it's the main reason to take kava seriously.
Heavy, long-term use
People who drink large amounts of kava over long periods can develop a dry, scaly skin condition sometimes called kava dermopathy.
Interactions
Don't combine kava with alcohol or with medication or supplements that cause drowsiness. Kava may also interact with medications processed by the liver.
Who should avoid kava
- Anyone who is pregnant or breastfeeding
- Anyone with liver disease or who drinks heavily
- Anyone taking medication that affects the liver or causes drowsiness, unless their doctor says it's OK
Questions people ask
What are the side effects of kava?
Upset stomach, headache and dizziness are common. Rarely, kava has been linked to severe liver injury.
Who shouldn't drink kava?
People who are pregnant or breastfeeding, have liver problems, or take medication that affects the liver or causes drowsiness.
For adults 21+. Don't mix with alcohol.


