Echinacea might increase the breakdown of warfarin and decrease how well warfarin works. This might increase your risk of having a clot. Be sure to have your blood checked regularly. The dose of ...

You may report side effects to Health Canada at 1-866-234-2345. Before taking echinacea, tell your doctor or pharmacist if you are allergic to it; or to plants in the Asteraceae/daisy family such ...