Kava-kava, or Piper methysticum, is an herbal supplement from the pepper family. It is often consumed for its sedating properties, which are somewhat similar to alcohol. Kava has also been used traditionally as a topical pain reliever for burns and toothache and is sometimes taken for its muscle relaxant properties. Despite its lengthy history of use, kava has not been proved safe or effective for treating pain or other conditions.
Indications
Kava may be used topically for pain relief or taken internally for its muscle relaxing effects. Kava tea is sometimes drunk to alleviate toothache and may be applied topically to relieve pain caused by insect stings or burns. In the Pacific Islands, kava is sometimes used to treat stings from poisonous fish, which can cause painful swelling and irritation. Taken internally, kava's relaxing qualities may be useful against muscle spasm and pain.
Effects
Kava offers a non-narcotic type of pain relief. It contains kavalactones, which have a numbing effect on the skin's surface. According to Kava.com, it is an effective muscle relaxant and topical anesthetic. Kava's relaxing properties stem from its effects on GABA---the neurotransmitter responsible for muscle tone. Drugs with similar properties include benzodiazepines, alcohol and barbiturates.
While kava has been used traditionally to treat pain, it has not been proved effective for this purpose. More evidence is needed before it can be safely recommended for pain relief.
Adverse Reactions/Risks
Drowsiness, nausea and dizziness are among the most common side effects of kava. Taking it with other sedating substances such as alcohol can increase these effects. Skin rash and irritation have also been reported by people taking kava for prolonged periods.
Liver damage is the most serious concern associated with kava. According to Rx List, liver damage has occurred in people taking kava in normal doses, making it especially dangerous for people with a history of liver disease. While more research is needed into the exact cause of liver damage in patients taking kava, consumers should be aware of this problem before using the supplement to treat pain.
Considerations
Taking kava for pain without first obtaining a diagnosis may mask the underlying cause, allowing the condition to worsen. Ask a doctor before taking kava products for pain.
All potential side effects of kava may not be known. Herbal supplements carry risks not associated with pharmaceutical drugs, such as unreliable potency and contamination. Choosing brands with the U.S. Pharmacopeia safety seal can help to reduce these risks.
Warning
If you experience severe side effects while taking kava, discontinue use and seek immediate medical attention. Upper abdominal pain, vomiting and yellowing of the eyes or skin may be symptoms of liver damage.
Member Comments