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Water Fennel

What other names is Water Fennel known by?

Felandrio Acuático, Fenouil Aquatique, Fenouil d'Eau, Fine Leaf Water Dropwort, Horsebane, Oenanthe aquatica, Oenanthe Aquatique, Phellandrie, Water Dropwort, Water Hemlock.

What is Water Fennel?

Water fennel is a plant. The ripe seeds are used to make medicine.

People take water fennel for coughs, intestinal gas, and water retention.

Insufficient Evidence to Rate Effectiveness for...

  • Coughs.
  • Intestinal gas.
  • Water retention.
  • Other conditions.
More evidence is needed to rate the effectiveness of water fennel for these uses.

How does Water Fennel work?

There isn't enough information to know how water fennel might work as a medicine.

Are there safety concerns?

It isn't known if water fennel is safe or what the possible side effects might be.

Special Precautions & Warnings:

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

Dosing considerations for Water Fennel.

The appropriate dose of water fennel 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 water fennel. 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.

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).

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Reviewed on 9/17/2019

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


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