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Thread: Thyroid meds and Grapefruit???

  1. #1

    Thyroid meds and Grapefruit???

    Someone said this in a boxing ring thread:

    I like all the fruits we can have, but can't eat grapefruit because I'm taking thyroid meds
    Can someone tell me why? I never heard of this and I've been taking thyroid meds for over 25 years.

    thanks!
    dg

  2. #2
    Livin La Vida HCG Beth_M's Avatar
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    Some prescription medications interact with grapefruit or grapefruit juice. Most do not, however, and there is no evidence that thyroid medicines interact with grapefruit. But to be sure you understand any possibly interactions with medications you take, read the Gradon's Guide to Grapefruit Interactions or Grapefruit Drug Interactions Website.

    I have read reference to grapefruit juice effecting the absorption of L-thyroxine.

    These are medications with which grapefruit juice should NOT be consumed unless advised by a doctor:

    * Statins (cholesterol drugs): lovastatin (Mevacor), atorvastatin Lipitor, simvastatin Zocor, simvastatin/ezetimibe (Vytorin)

    * Antihistamines: fexofenadine (Allegra), (terfenadine (Seldane), taken off the U.S. market

    * Calcium channel blockers (blood pressure drugs): nimodipine (Nimotop), felodipine (Nitrendipine, Plendil), nisoldipine (Sular), nicardipine (Cardene), verapamil (Verelan)

    * Psychiatric medications: buspirone (BuSpar), triazolam (Halcion), carbamazepine (Tegretol), diazepam (Valium), midazolam (Versed), sertraline (Zoloft)

    * Intestinal medications: cisapride (Propulsid) taken off the U.S. market

    * Immune suppressants: cyclosporine (Neoral), (tacrolimus) Prograf

    * Pain medications: Methadone

    * Impotence drug: (erectile dysfunction): sildenafil (Viagra)

    * HIV medication: saquinavir (Invirase, Fortovase)

    * Antiarrhythmics: amiodarone (Cordarone), disopyramide (Norpace)
    Last edited by Beth_M; February 17th, 2011 at 07:24 PM.
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  3. #3
    wow I have never heard of that either and have been on thryoid meds for 5 years . Maybe thats why I am not losing ?

  4. #4
    Senior Member Bobbi's Avatar
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    This has good info...http://www.powernetdesign.com/grapef...JDIsummary.pdf

    I am on Eltroxin. My doctor said that I shouldn't take the pills with grapefruit juice per se (more concentrated than the fruit, just in case), but that it was okay to eat the fruit as long as there were quite a few hours in between the 2...so I aimed for 12 hrs between the 2.

    I have to add though that my thyroid dosage has been a roller coaster ride, since I started hhcg...is it the drops or the grapefruits, I don't know...I haven't hadngrapefruits or drops for over a month amd my thyroid levels are still fluctutating...who knows...
    Last edited by Bobbi; June 23rd, 2012 at 06:45 PM.

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