Reviewed on 6/11/2021
Other Name(s):

Chardon Bleu, Chardon des Dunes, Chardon à Feuilles de Yucca, Chardon Roland Maritime, Eringo, Eryngii Herba, Eryngii Radix, Eryngo Root, Eryngium, Eryngium campestre, Eryngium maritimum, Eryngium planum, Eryngium yuccifolium, Panicaut des Champs, Panicaut des Dunes, Panicaut à Feuilles Planes, Panicaut à Feuilles de Yucca, Panicaut Maritime, Panicaut de Mer, Panicaut Plane, Panicaut Champêtre, Sea Holly, Sea Holme, Sea Hulver.


Eryngo is an herb. The parts of the plant that grow above the ground and the root are used to make medicine.

People take eryngo preparations made from the above-ground parts for urinary tract infections, prostate problems, and swollen breathing passages.

Eryngo preparations made from the root are used for various urinary tract conditions including kidney and bladder stones, kidney pain and swelling, and difficult urination. Other uses for eryngo root include treatment of coughs, skin disorders, and bronchitis and other breathing problems.

How does it work?

Eryngo above-ground parts might increase urine production. Eryngo root might reduce spasms and help break up chest congestion by thinning mucus and making it easier to cough up.


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Uses & Effectiveness

Insufficient Evidence to Rate Effectiveness for...

More evidence is needed to rate the effectiveness of eryngo for these uses.

Natural Medicines Comprehensive Database rates effectiveness based on scientific evidence according to the following scale: Effective, Likely Effective, Possibly Effective, Possibly Ineffective, Likely Ineffective, and Insufficient Evidence to Rate (detailed description of each of the ratings).

Side Effects

There isn't enough information available to know if eryngo is safe or what the side effects might be.


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Special Precautions & Warnings

Pregnancy and breast-feeding: Not enough is known about the use of eryngo during pregnancy and breast-feeding. Stay on the safe side and avoid use.

Allergy to celery, fennel, dill, and related plants: Eryngo may cause a reaction in people who are sensitive to the Apiaceae plant family. Members of this family include celery, fennel, dill, and many others. If you have allergies, be sure to check with your healthcare provider before taking eryngo.


LithiumInteraction Rating: Moderate Be cautious with this combination.Talk with your health provider.

Eryngo might have an effect like a water pill or "diuretic." Taking eryngo might decrease how well the body gets rid of lithium. This could increase how much lithium is in the body and result in serious side effects. Talk with your healthcare provider before using this product if you are taking lithium. Your lithium dose might need to be changed.


The appropriate dose of eryngo 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 eryngo. 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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Gruenwald J, Brendler T, Jaenicke C. PDR for Herbal Medicines. 1st ed. Montvale, NJ: Medical Economics Company, Inc., 1998.