Topic Contents
Propofol
Interaction
Summary of Interactions with Vitamins, Herbs, & Foods
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Catechin* Ginger* Milk Thistle* |
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Interactions Details
Interactions with Vitamins
Catechin
Some general anesthetic drugs have infrequently caused liver damage. One animal study showed that taking catechin (a bioflavonoid) prior to halothane exposure reduced the amount of liver damage caused by the drug.1 Additional research is needed to determine whether this protective effect occurs in humans and with other general anesthetics.
Interactions with Herbs
Ginger (Zingiber officinale)
General anesthetics commonly cause nausea upon waking. In a double-blind study, taking 1 gram of ginger one hour before surgery was as effective at reducing nausea and vomiting as the anti-nausea drug metoclopramide.2 Individuals taking ginger in order to avoid side effects should disclose this to their doctor prior to surgery, since the herb might affect blood clotting.
Milk thistle (Silybum marianum)
Some general anesthetic drugs have infrequently caused liver damage. One animal study showed that taking silybine, an active compound found in milk thistle, prior to halothane exposure reduced the amount of liver damage caused by the drug.3 Though controlled research in humans is necessary, some doctors of natural medicine currently suggest taking milk thistle standardized to contain 140 mg of silymarin three times a day, beginning a week before surgery and continuing for at least one week after surgery.
References
1. Siegers CP, Fruhling A, Younes M. Influence of dithiocarb, (+)-catechin and silybine on halothane hepatotoxicity in the hypoxic rat model. Acta Pharmacol Toxicol (Copenh) 1983;53:125–9.
2. Phillips S, Ruggier R, Hutchinson SE. Zingiber officinale (ginger)—an antiemetic for day case surgery. Anaesthesia 1993;48:715–7.
3. Siegers CP, Fruhling A, Younes M. Influence of dithiocarb, (+)-catechin and silybine on halothane hepatotoxicity in the hypoxic rat model. Acta Pharmacol Toxicol (Copenh) 1983;53:125–9.
Last Review: 08-17-2011
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