Yellow Dock

How does Yellow Dock work?

Yellow dock contains chemicals called anthraquinones, which work as stimulant laxatives.

Are there safety concerns?

Yellow dock seems to be safe for most adults. Taking too much yellow dock can cause diarrhea, nausea, stomach cramps, excessive urination, skin irritation, and low blood levels of potassium and calcium. People who are allergic to ragweed may also be allergic to yellow dock.

Don't use raw or uncooked yellow dock. It can cause serious side effects including vomiting, heart problems, breathing difficulty, and even death. Also, handling raw yellow dock can cause skin irritation in some people.

Do not take yellow dock if:
  • You are pregnant or breast-feeding.
  • You have had kidney stones or other kidney disease.
  • You have a blockage in your digestive tract.
  • You have stomach or intestinal ulcers.
  • You have a bleeding disorder.

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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.