Common side effects of burdock may include allergic reactions (e.g., hives, redness, swelling, itchiness or burning of the skin). You should stop using burdock if these symptoms occur.
Burdock can interact with some medications. It may increase the effects of different medications including:
- blood thinners (e.g., aspirin, warfarin, clopidogrel)
- cancer medications
- diabetes medications (e.g., metformin, glyburide)
- diureticdiuretican agent that increases urine flows (e.g., hydrochlorothiazide, furosemide)
- HIV medications
- medications containing estrogen (e.g., birth control pills, estrogen replacement therapy)
- nonsteroidal anti-inflammatory drugs (NSAIDs; e.g., naproxen, ibuprofen)
Burdock may lead to vomiting if used with disulfiram or metronidazole. Burdock may also increase the effects of natural health products that have estrogen-like properties (e.g., phytoestrogens).
If you are using any of these medications or herbal products, consult your health care provider before using burdock.
If your symptoms persist or worsen after taking burdock, you should consult your health care provider. If you have diabetes, you should consult your health care provider before using burdock .
Do not use burdock if you are allergic to plants of the asteraceae/compositae/daisy family (e.g., chrysanthemums [mums], ragweed, marigolds, daisies).
You should not use burdock if you are pregnant or breast-feeding. Consult your health care provider if you have any questions.
Before taking any new medications, including natural health products, speak to your physician, pharmacist, or other health care provider. Tell your health care provider about any natural health products you may be taking.