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White oak/Drug Interactions:- Hepatotoxic agentsHepatotoxic agents: Concomitant use of hepatotoxic drugs and white oak should be avoided due to possible additive side effects.
- Nephrotoxic agentsNephrotoxic agents: Tannins found in white oak may theoretically have adverse effects on the kidneys; plants with at least 10% tannins can cause kidney damage (2; 3).
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White oak/Herb/Supplement Interactions:- CalciumCalcium: White oak also contains the minerals manganese, calcium, iron, and zinc.
- Hepatotoxic agentsHepatotoxic agents: Concomitant use of hepatotoxic agents and white oak should be avoided due to possible additive side effects.
- IronIron: Theoretically, concomitant administration may precipitate iron salts due to tannin content.
- ManganeseManganese: White oak also contains the minerals manganese, calcium, iron, and zinc.
- Nephrotoxic agentsNephrotoxic agents: Tannins found in white oak may theoretically have adverse effects on the kidneys; plants with at least 10% tannins can cause kidney damage (2; 3).
- Tannin-containing agentsTannin-containing agents: Theoretically, herbs or supplements with a high tannin percentage may cause precipitation of constituents of other herbs.
- QuercetinQuercetin: The primary chemical constituents of oak bark include tannins (phlobatannin, ellagitannins, gallic acid), gallotannins, and quercetin.
- ZincZinc: White oak also contains the minerals manganese, calcium, iron, and zinc.
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White oak/Food Interactions:- PeanutPeanut: Caution is advised with ingesting peanuts because of potential cross-hypersensitivity to white oak. There is one case report of a patient who experienced an anaphylactic reaction after eating acorn nuts, fruit of the holm oak (Quercus ilex) (6). The patient also had several urticaria episodes upon ingestion of peanuts. Skin-prick tests were strongly positive with acorn and peanut.
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White oak/Lab Interactions:- Liver function testsLiver function tests: Theoretically, white oak may alter liver function test results due to purported hepatotoxic potential.
- Renal function testsRenal function tests: Theoretically, white oak may alter renal function test results due to purported nephrotoxic potential.
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Copyright © 2011 Natural Standard (www.naturalstandard.com)
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The information in this monograph is intended for informational purposes only, and is meant to help users better understand health concerns. Information is based on review of scientific research data, historical practice patterns, and clinical experience. This information should not be interpreted as specific medical advice. Users should consult with a qualified healthcare provider for specific questions regarding therapies, diagnosis and/or health conditions, prior to making therapeutic decisions.
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