Skip main navigation
start main content



What is Echinacea and are there any side effects?


Echinacea is an herb that's a member of the daisy flower family. It's commonly used for boosting immunity and treating colds, sore throats and respiratory infections. Echinacea is generally well-tolerated and used without side effects.

Echinacea side effects

Possible echinacea side effects include nausea, mild itching, fever or chills and dizziness. You should avoid using echinacea if you are allergic to the daisy or ragweed family. People with multiple sclerosis (MS), acquired immune deficiency syndrome (AIDS), or other disorders affecting the immune system should not use echinacea because of the possibility that their symptoms from side effects might get worse.

See all echinacea products available on

Back to Ask a Pharmacist


Answers to questions regarding information about medications or health conditions are not for diagnostic or treatment purposes and are not conclusive as to the presence or absence of any health condition. Consult your physician for diagnosis and treatment of your medical condition. The information provided is not a substitute for medical advice. Advances in medicine may cause this information to become outdated, invalid or subject to debate. Professional opinions and interpretations of the scientific literature may vary. Walgreens' terms of use and general warranty disclaimer apply to all services provided. If you are in need of immediate medical attention, contact your physician, poison control center or emergency medical professional. If you need to speak with a pharmacist for non-emergency matters, contact your local Walgreens pharmacist or call a pharmacist toll-free at 1 (877) 250-5823.

Your Digital Health Advisor. Powered by WebMD. Manage diabetes with this easy online tool.* Get started.
Your Digital Health Advisor. Powered by WebMD. Manage diabetes with this easy online tool.* Get started.

Balance Rewards for Healthy Choices

20 Points
20 Points

Now you can track your blood pressure and blood glucose.

Start earning points Go Arrow