Red Clover Interactions

Red Clover Interactions:

Moderate Interaction Be cautious with this combination

  • Birth control pills (Contraceptive drugs) interacts with RED CLOVER: Some birth control pills contain estrogen. Red clover might have some of the same effects as estrogen. But red clover isn’t as strong as the estrogen in birth control pills. Taking red clover along with birth control pills might decrease the effectiveness of birth control pills. If you take birth control pills along with red clover, use an additional form of birth control such as a condom.
    • Some birth control pills include ethinyl estradiol and levonorgestrel (Triphasil), ethinyl estradiol and norethindrone (Ortho-Novum 1/35, Ortho-Novum 7/7/7), and others.
  • Estrogens interacts with RED CLOVER: Large amounts of red clover might have some of the same effects as estrogen. But red clover isn’t as strong as estrogen pills. Taking red clover along with estrogen pills might decrease the effects of estrogen pills.
    • Some estrogen pills include conjugated equine estrogens (Premarin), ethinyl estradiol, estradiol, and others.
  • Medications changed by the liver (Cytochrome P450 1A2 (CYP1A2) substrates) interacts with RED CLOVER: Some medications are changed and broken down by the liver. Red clover might decrease how quickly the liver breaks down some medications. Taking red clover along with some medications that are broken down by the liver can increase the effects and side effects of some medications. Before taking red clover, talk to your healthcare provider if you take any medications that are changed by the liver.
    • Some medications that are changed by the liver include amitriptyline (Elavil), haloperidol (Haldol), ondansetron (Zofran), propranolol (Inderal), theophylline (Theo-Dur, others), verapamil (Calan, Isoptin, others), and others.
  • Medications changed by the liver (Cytochrome P450 2C19 (CYP2C19) substrates) interacts with RED CLOVER: Some medications are changed and broken down by the liver. Red clover might decrease how quickly the liver breaks down some medications. Taking red clover along with some medications that are broken down by the liver can increase the effects and side effects of some medications. Before taking red clover, talk to your healthcare provider if you take any medications that are changed by the liver.
    • Some medications that are changed by the liver include omeprazole (Prilosec), lansoprazole (Prevacid), and pantoprazole (Protonix); diazepam (Valium); carisoprodol (Soma); nelfinavir (Viracept); and others.
  • Medications changed by the liver (Cytochrome P450 2C9 (CYP2C9) substrates) interacts with RED CLOVER: Some medications are changed and broken down by the liver. Red clover might decrease how quickly the liver breaks down some medications. Taking red clover along with some medications that are broken down by the liver can increase the effects and side effects of some medications. Before taking red clover, talk to your healthcare provider if you take any medications that are changed by the liver.
    • Some medications that are changed by the liver include diclofenac (Cataflam, Voltaren), ibuprofen (Motrin), meloxicam (Mobic), and piroxicam (Feldene); celecoxib (Celebrex); amitriptyline (Elavil); warfarin (Coumadin); glipizide (Glucotrol); losartan (Cozaar); and others.
  • Medications changed by the liver (Cytochrome P450 3A4 (CYP3A4) substrates) interacts with RED CLOVER: Some medications are changed and broken down by the liver. Red clover might decrease how quickly the liver breaks down some medications. Taking red clover along with some medications that are broken down by the liver can increase the effects and side effects of some medications. Before taking red clover, talk to your healthcare provider if you are taking any medications that are changed by the liver.
    • Some medications changed by the liver include lovastatin (Mevacor), ketoconazole (Nizoral), itraconazole (Sporanox), fexofenadine (Allegra), triazolam (Halcion), and many others.
  • Medications that slow blood clotting (Anticoagulant / Antiplatelet drugs) interacts with RED CLOVER: Large amounts of red clover might slow blood clotting. Taking red clover along with medications that also slow clotting might increase the chances of bruising and bleeding.
    • Some medications that slow blood clotting include aspirin, clopidogrel (Plavix), diclofenac (Voltaren, Cataflam, others), ibuprofen (Advil, Motrin, others), naproxen (Anaprox, Naprosyn, others), dalteparin (Fragmin), enoxaparin (Lovenox), heparin, warfarin (Coumadin), and others.
  • Tamoxifen (Nolvadex) interacts with RED CLOVER: Some types of cancer are affected by hormones in the body. Estrogen-sensitive cancers are cancers that are affected by estrogen levels in the body. Tamoxifen (Nolvadex) is used to help treat and prevent these types of cancer. Red clover seems to also affect estrogen levels in the body. By affecting estrogen in the body, red clover might decrease the effectiveness of tamoxifen (Nolvadex). Do not take red clover if you are taking tamoxifen (Nolvadex).

References

Source: WebMD, “Red Clover”, www.webmd.com/vitamins-supplements/

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