The short answer
Kava, the root of Piper methysticum, has been drunk across the South Pacific for centuries, and it isn't generally considered addictive the way alcohol, nicotine or opioids are. People don't commonly report cravings or withdrawal after stopping traditional kava, which is one reason it's popular as an alternative to alcohol.
That's not the same as "proven non-addictive." The University of Chicago's Tang Center for Herbal Medicine Research notes that kava may have some potential for misuse, and that whether long-term use leads to tolerance, dependence or withdrawal hasn't been properly studied. So the honest answer is: low risk as far as anyone knows, but not zero, and not well researched.
What the research does and doesn't show
- No strong evidence of physical dependence from traditional kava drinking. There's no well-described kava withdrawal syndrome in regular kava drinkers.
- Long-term effects are under-studied. Most research looks at short-term use or at concentrated supplements, not years of nightly kava.
- A 2025 case report is worth knowing about. The American Journal of Emergency Medicine described a man who developed severe withdrawal (hallucinations, anxiety, insomnia and muscle jerking) after stopping heavy use of a beverage that contained both kava and kratom. Because the drink mixed the two, it's hard to say how much was kava. The authors' point was that clinicians should know these products can cause dependence and withdrawal.
Kava vs. kratom: why the difference matters
Kava and kratom are often sold side by side, and some drinks combine them, but they're different plants. Kratom (Mitragyna speciosa) can be habit-forming with regular, heavy use. If you're concerned about dependence, check the label: a "kava" drink that also lists kratom isn't the same thing as plain kava. More on the two in kava vs. kratom.
Habit vs. addiction
Any enjoyable ritual can turn into a habit. Signs worth paying attention to:
- You drink kava every day and need more to feel the same.
- You feel you can't relax or sleep without it.
- You feel unwell, anxious or restless when you skip it.
- It's replacing things you used to do, or you're hiding how much you drink.
If any of those sound familiar, cut back, take breaks, and talk to a doctor, especially if you've been drinking a product that also contains kratom.
The risks of heavy use
Even without addiction, heavy, frequent kava use has known downsides:
- Kava dermopathy. Frequent, heavy use can cause dry, scaly skin. It goes away when people cut back.
- Liver injury (rare). There have been rare reports of serious liver problems, mostly linked to concentrated kava supplements. That's why labels warn against kava if you have liver problems, drink alcohol often or take medications that affect the liver.
- Mixing with alcohol. Kava and alcohol shouldn't be combined; see kava vs. alcohol.
- Driving. Don't drive after drinking kava.
How much is in your drink matters, too. Kava products vary a lot, from a mild tea bag to strong traditional kava. See kava dosage: how much kava is in your drink.
Drinking kava sensibly
- Start with one serving and wait before having more.
- Take nights off. Kava works best as an occasional ritual, not a nightly requirement.
- Read the label for the kava amount, and for kratom if you want to avoid it.
- Never with alcohol, and skip it if you're pregnant, nursing, have liver problems or take medications that affect the liver.
Who should skip kava
- Kava drinks are for adults 21+. Skip them if you're under 21.
- Skip kava if you're pregnant or breastfeeding.
- Skip kava if you have a liver condition or drink heavily. Kava has been linked to rare cases of serious liver injury.
- Skip it if you take antidepressants (including SSRIs), sedatives, sleep aids or medications that affect the liver, unless your doctor says it's OK.
- Rules on kava vary by place. Check your local rules before you buy.
- One can or shell is one serving. Don't mix kava with alcohol, and don't drive after drinking it.
These are general cautions, not medical advice. If you're unsure, talk to your doctor or pharmacist.
Questions people ask
Is kava addictive?
It isn't generally considered addictive, and there's little evidence of physical dependence from traditional kava. But long-term use hasn't been studied well, so it's best treated as low-risk rather than risk-free.
Can you get withdrawal from kava?
Withdrawal isn't commonly reported with traditional kava. A 2025 medical case report described severe withdrawal in a heavy user of a drink that combined kava with kratom, so check labels for kratom.
Is kava the same as kratom?
No. They're different plants. Kratom can be habit-forming with regular heavy use, and some drinks combine the two.
What happens if you drink kava every day?
Heavy daily use is linked to dry, scaly skin (kava dermopathy), which reverses when you cut back, and to rare cases of liver injury, mostly with concentrated supplements.
Does kava build tolerance?
It hasn't been studied well. Taking regular nights off is a sensible habit either way.
