Summary of Interactions with Vitamins, Herbs, & Foods
|May Be Beneficial: Depletion or interference—This medication may deplete these substances from the body or interfere with how they work; extra intake may help replenish them.||
|May Be Beneficial: Side effect reduction and/or prevention—These substances may help reduce the likelihood and/or severity of a potential side effect caused by the medication.||
|May Be Beneficial: Supportive interaction—These substances may help this medication work better.||
|Avoid: Reduces drug effectiveness—When taking this medication, avoid these substances as they may decrease the medication's absorption and/or activity in the body.||
|Avoid: Adverse interaction—When taking this medication, avoid these substances, as the combination may cause undesirable or dangerous interactions.||
|Check: Explanation needed—When taking this medication, read the article details and discuss them with your doctor or pharmacist before taking these substances.||
Interactions with Vitamins
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.
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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