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KAVA (Piper methysticum) - ORAL

Important Note

The following information is intended to supplement, not substitute for, the expertise and judgment of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. Consult your healthcare professional before using this drug.

KAVA (Piper methysticum) - ORAL

WARNING: Infrequent (possibly fatal) liver disease may occur with use of kava products. Stop using kava and seek immediate medical attention if you develop: severe nausea, extreme fatigue, stomach pain, dark urine, yellowing eyes/skin/nails.


Kava has been used for anxiety, stress and restlessness. Some herbal/diet supplement products have been found to contain possibly harmful impurities/additives. Check with your pharmacist for more details regarding the particular brand you use. The FDA has not reviewed this product for safety or effectiveness. Consult your doctor or pharmacist for more details.

How To Use

Take this product by mouth as directed. Follow all directions on the product package. If you are uncertain about any of the information, consult your doctor or pharmacist. Do not take kava for longer than three months unless directed to do so by your doctor. If your condition persists or worsens, or if you think you may have a serious medical problem, seek immediate medical attention.

Side Effects

Nausea or drowsiness may occur. If these effects persist or worsen, notify your doctor immediately. Report promptly: muscle weakness, loss of coordination, vision changes, weight loss, bloody urine. Extended, continuous intake of kava may cause reddened eyes or scaly skin. This condition is temporary, but the use of kava must be stopped promptly. In the unlikely event you have an allergic reaction to this product, seek immediate medical attention. Symptoms of an allergic reaction include: rash, itching, swelling, dizziness, trouble breathing.


If you have any of the following health problems, consult your doctor before using this product: depression, liver disease, allergies. Limit alcohol intake, as it may intensify the possible drowsiness effects of this product. Caution is advised when performing tasks requiring alertness (e.g., driving). Liquid preparations of this product may contain sugar and/or alcohol. Caution is advised if you have diabetes, alcohol dependence or liver disease. Ask your doctor or pharmacist about the safe use of this product. Kava is not recommended for use during pregnancy. Consult your doctor before using this product. It is unknown whether this product passes into breast milk. Breast-feeding while using kava is not recommended. Consult your doctor before breast-feeding.

Drug Interactions

Before using this product, tell your doctor or pharmacist of all prescription and nonprescription medications you may use, especially drugs that can cause drowsiness such as: sedatives, tranquilizers, anti-anxiety drugs (e.g., diazepam, lorazepam), anti-seizure drugs (e.g., phenobarbital, phenytoin), muscle relaxants, drowsiness-causing antihistamines (e.g., diphenhydramine). Check labels carefully, as many products contain drowsiness- causing antihistamines (e.g., cough-and-cold medicines). Consult your doctor or pharmacist about use of such products.


If overdose is suspected, contact your local poison control center or emergency room immediately. Symptoms of overdose may include severe muscle weakness, difficulty moving, tiredness, unusual drowsiness, blood in urine, and shortness of breath.


Do not share this product with others.

Missed Dose

If you miss a dose, use it as soon as you remember. If it is near the time of the next dose, skip the missed dose and resume your usual dosing schedule. Do not double the dose to catch up.


Refer to storage information printed on the package. If you have any questions about storage, ask your pharmacist.