Black Root

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Are there any interactions with medications?



Digoxin (Lanoxin)
Interaction Rating: Moderate Be cautious with this combination.
Talk with your health provider.

Black root is high in fiber. Fiber can decrease the absorption and decrease the effectiveness of digoxin (Lanoxin). As a general rule, any medications taken by mouth should be taken one hour before or four hours after black root to prevent this interaction.



Warfarin (Coumadin)
Interaction Rating: Moderate Be cautious with this combination.
Talk with your health provider.

Black root can work as a laxative. In some people black root can cause diarrhea. Diarrhea can increase the effects of warfarin and increase the risk of bleeding. If you take warfarin do not to take excessive amounts of black root.



Water pills (Diuretic drugs)
Interaction Rating: Moderate Be cautious with this combination.
Talk with your health provider.

Black root is a laxative. Some laxatives can decrease potassium in the body. "Water pills" can also decrease potassium in the body. Taking black root along with "water pills" might decrease potassium in the body too much.

Some "water pills" that can decrease potassium include chlorothiazide (Diuril), chlorthalidone (Thalitone), furosemide (Lasix), hydrochlorothiazide (HCTZ, HydroDiuril, Microzide), and others.

Dosing considerations for Black Root.

The appropriate dose of black root depends on several factors such as the user's age, health, and several other conditions. At this time there is not enough scientific information to determine an appropriate range of doses for black root. Keep in mind that natural products are not always necessarily safe and dosages can be important. Be sure to follow relevant directions on product labels and consult your pharmacist or physician or other healthcare professional before using.

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Report Problems to the Food and Drug Administration

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.


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