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Kava
Kava — что европейская монография реально поддерживает, для чего это не предназначено, форма и срок применения, побочные эффекты и 3 взаимодействиеs с лекарствами, задокументированное для него.
Это справочная страница, не диагноз и не рецепт. Травяные продукты — настоящая фармакология: у них есть эффекты, побочные действия и взаимодействия с лекарствами. Расскажите врачу и фармацевту обо всём, что принимаете, включая чаи и добавки, и никогда не отменяйте и не меняйте назначенное лекарство из-за прочитанного здесь.
Что это
Piper methysticum G.Forst. — root and rhizome
Сгруппировано здесь под Where the harm is. Регуляторная позиция:Withdrawn, suspended or restricted as a medicine in much of Europe after reports of severe liver injury.
Что поддерживают доказательства
Зарегистрированное показание:It was marketed for anxiety. It is included here as a boundary, not a recommendation.
Kava beverages have a long cultural history in the Pacific islands. The European story is different: standardised kava extracts marketed for anxiety in the 1990s were withdrawn or suspended in several countries after reports of severe hepatotoxicity, including liver failure requiring transplantation. Regulatory positions have shifted back and forth in the decades since and availability differs by country, which is exactly why an internet order is a poor way to settle the question. The awkward part of the case is that the trials suggested a genuine anxiety-reducing effect — an effective product with a rare, catastrophic harm is a much harder judgement than an ineffective one, and that is the honest shape of the kava file rather than a simple story of quackery. Preparation matters too: traditional water-based preparations of the peeled rootstock differ from the acetone and ethanol extracts that reached European shelves.
D — Popular claim unsupported, or safety dominates The better trials are negative, or the substance appears in the literature mainly for the harm it has caused.
Для чего это не предназначено
Anxiety disorders, which have treatments with far better-characterised risk. Do not import it to self-treat.
Форма, сила и как долго
Traditional water-based root beverages; ethanol and acetone extracts in capsules, which are the preparations associated with the liver reports.
Срок.Not applicable — no European regulator is recommending a course.
На этой странице намеренно нет граммов. Часть растения, растворитель экстракции и соотношение сырьё–экстракт вместе определяют препарат, и число от одного не описывает другой. Обоснование изложено на узле; количество, которое относится к вам, напечатано на пачке в руках, и фармацевт прочитает его с вами.
Побочные эффекты
Liver injury, which is rare but has been severe and occasionally fatal. Regular heavy use causes a dry, scaly skin condition known as kava dermopathy. Drowsiness and impaired driving, markedly worsened by alcohol.
Кому следует избегать
Avoid entirely with any liver disease, in pregnancy and while breastfeeding, and before driving.
Взаимодействия с лекарствами
| Лекарство или вещество | Что описано |
|---|---|
| Alcohol | The combination increases both sedation and the liver risk, and impaired driving with kava plus alcohol is documented. |
| Sleeping tablets, benzodiazepines and sedating antihistamines | Additive sedation with benzodiazepines, sleeping tablets and sedating antihistamines. |
| Anything else that stresses the liver | Anything else with a liver signal — including alcohol and several medicines — should not be stacked with it. |
Обратный вид — начать с лекарства, а не с растения — в справочнике взаимодействий лекарств, пищи и алкоголя, и сведено для каждого растения на этом сайте.
Источники:NIH National Center for Complementary and Integrative Health — herb fact sheets · LiverTox: Clinical and Research Information on Drug-Induced Liver Injury (NIDDK, National Institutes of Health)· проверено2026-09-06
Частые вопросы
Для чего применяют kava?
It was marketed for anxiety. It is included here as a boundary, not a recommendation. Kava beverages have a long cultural history in the Pacific islands. The European story is different: standardised kava extracts marketed for anxiety in the 1990s were withdrawn or suspended in several countries after reports of severe hepatotoxicity, including liver failure requiring transplantation. Regulatory positions have shifted back and forth in the decades since and availability differs by country, which is exactly why an internet order is a poor way to settle the question. The awkward part of the case is that the trials suggested a genuine anxiety-reducing effect — an effective product with a rare, catastrophic harm is a much harder judgement than an ineffective one, and that is the honest shape of the kava file rather than a simple story of quackery. Preparation matters too: traditional water-based preparations of the peeled rootstock differ from the acetone and ethanol extracts that reached European shelves.
Работает ли kava?
Оценено здесь D: The better trials are negative, or the substance appears in the literature mainly for the harm it has caused. Anxiety disorders, which have treatments with far better-characterised risk. Do not import it to self-treat.
Сколько kava принимать?
Этот справочник не печатает граммы, потому что они не переносятся между препаратами разной силы экстракта. Честно можно сказать форму и срок:Traditional water-based root beverages; ethanol and acetone extracts in capsules, which are the preparations associated with the liver reports. Not applicable — no European regulator is recommending a course.
Какие побочные эффекты у kava?
Liver injury, which is rare but has been severe and occasionally fatal. Regular heavy use causes a dry, scaly skin condition known as kava dermopathy. Drowsiness and impaired driving, markedly worsened by alcohol.
Взаимодействует ли kava с лекарствами?
Да — задокументировано дляAlcohol, Sedatives, Liver load. Каждое описано на этой странице, со ссылкой на лекарственный справочник, где он есть.
Другие вwhere the harm is
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