Lady fern
Lady fern

Background

Traditionally used for respiratory and gastrointestinal illnesses, and as an expectorant, but there is no strong evidence to support any use.

Insufficient reliable information available about the safety of oral use.

No known major interactions.

People use this for...

Orally, lady fern is used for respiratory and gastrointestinal illnesses, and as an expectorant.

Pregnancy And Lactation: Insufficient reliable information available; avoid using.

There is insufficient reliable information available about the effectiveness of lady fern.

Natural Medicines rates effectiveness based on scientific evidence according to the following scale: Effective, Likely Effective, Possibly Effective, Possibly Ineffective, Likely Ineffective, Ineffective, and Insufficient Evidence to Rate.

Dosing & administration

  • AdultOral:

    General Traditionally, 1-2 tablets or 10-20 drops of a liquid preparation, taken 3 times daily, has been used (18).

  • Standardization & formulationThere is insufficient reliable information available about the standardization of lady fern.

Adverse effects

General: Orally, no adverse have been reported. However, a thorough evaluation of safety outcomes has not been conducted.

Toxicology

There is insufficient reliable information available about the toxicology of lady fern.

Interactions with pharmaceuticals

None known.

Interactions with herbs & supplements

None known.

Interactions with foods

None known.

Interactions with lab tests

None known.

Interactions with diseases

None known.

Mechanism of action

General: The applicable part of lady fern is the root or rhizome (18). There is insufficient reliable information available about the possible mechanism of action and active ingredients.

Pharmacokinetics

There is insufficient reliable information available about the pharmacokinetics of lady fern.

References

18Gruenwald J, Brendler T, Jaenicke C. PDR for Herbal Medicines. 1st ed. Montvale, NJ: Medical Economics Company, Inc., 1998.
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This monograph was last reviewed on 13/04/2020 18:55:40 and last updated on 21/07/2020 01:52:17. Monographs are reviewed and/or updated multiple times per month and at least once per year.
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