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Possible Interactions with: Horsetail

Possible Interactions with: Horsetail

Equisetum arvense; Horsetail; Scouring Rush; Shave Grass

The diuretic effects of horsetail may enhance the toxic effects of certain medications, such as digoxin (used to treat congestive heart failure), phenytoin (for seizures), anticoagulants, and others. For this reason, people taking prescription medications should not take horsetail without first consulting a health care provider.


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      Review Date: 1/17/2007  

      Reviewed By: Ernest B. Hawkins, MS, BSPharm, RPh, Health Education Resources; and Steven D. Ehrlich, NMD, private practice specializing in complementary and alternative medicine, Phoenix, AZ. Review provided by VeriMed Healthcare Network.

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