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Male Fern Purchase & Information

Alternative Names

American Aspidium, Bear's Paw, Dryoptère Fougère Mâle, European Aspidium, Fougère Mâle, Helecho Macho, Knotty Brake, Marginal Fern, Shield Fern

Scientific Name

Dryopteris Filix Mas

Why Do People Use Male Fern?

The oral preparations of Dryopteris filix-mas (Male fern), like male fern powder, are used to treat heavy menstrual bleeding, recurrent nose bleeds, tumors, wounds and as an anthelmintic. For Veterinary Medicine - Male fern is used in various veterinary medicines as an anthelmintic.

Is It Safe To Use?

Likely Unsafe - Oral consumption of male fern is considered safe. There are a number of lethal side effect that may follow the oral usage of male fern because it is a violent poison. Because of this reason, it should not be internally utilized for long time periods. Products containing male fern are labeled "For external use only" in Canada. However, in order to rate safety of male fern for other uses, the information available in insufficient and unreliable. Likely Unsafe for Breastfeeding and Pregnant Females - Oral consumption of male fern by breastfeeding and pregnant women is considered unsafe. However, there is insufficient information available to rate the topical safety of male fern. So, physicians do not recommend the topical usage of such products in both such females.

How Effective Is Male Fern?

To rate the effectiveness of male fern powder, there is lack of authentic and reliable information available.

How Male Fern Works?

The most effective parts of Dryopteris filix-mas are the rhizome, leaves and above ground parts. Male fern consist of active constituents like filmarone and filicin. These are effective anthelmintics and serve as a vermifuge in order to kill worms. These effective constituents are soluble derivatives of phloroglucinol. Such constituents are stimulated in an alkaline environment. Male fern also consists of tannin, volatile oils, desaspidin and albaspidin. All of these components together are known as filicin, and work together in order to destroy tapeworms. It is important to remember that whenever the tapeworms have been destroyed, it is simultaneously regulated saline laxative is utilized to eject the worm.

What Are The Side Effects /Adverse Reactions of Male Fern?

Oral consumption of male fern powder may cause various side effects like dyspnea, headaches, diarrhea, nausea, tremors, respiratory failure, vertigo, cardiac, convulsions and optic neuritis. There are also some cases of death has reported after severe poisoning in patient. Toxicity symptoms include coma, muscular weakness, permanent or temporary blindness.

How Male Fern Interacts With Other Herbs and Supplements?

Castor Oil - The oral intake of castor oil may increase the toxic potential and absorption of Dryopteris filix-mas.

How Male Fern Interacts With Drugs?

There is no known interaction between male fern and various drug contained items.

How Male Fern Interacts With Foods?

Oils, Fats and Alcohol - Absorption side effects may increase when male ferns is utilized with the combination of any of food item like Oils, Fats and Alcohol.

How Male Fern Interacts With Lab Tests?

There is no change in lab tests when patient consume male fern.

How Male Fern Interacts With Diseases and Conditions?

Gastrointestinal (GI) Conditions - Damaged GI conditions or mucosa that increase the transit time of GI tract may increase the absorption and related side effects.

What Should Be the Dose/Administration of Male Fern?

ORAL 3-6 ml of male fern is utilized orally by individuals aged 18 years or above. Children up to the age 2 should be given a dose of 2 ml in divided dosages. Kids over age two are given .25 to .5 ml in divided dosages. Male fern is normally given with a laxative (also called as saline diuretic) to support tapeworms and ejection.


High toxicity potential limits utilization. Treatment of an overdose comprises of giving saline cathartic, which is following by the administration of a demulcent liquid. It is essential to avoid the oral intake of oils and fat products. If seizures happen, benzodiazepines may be utilized and respiratory support may be needed. Since there are different items available that are more secure and safer than male fern, it should be avoided.

General Certificate of Analysis (COA)

Specification sheet links below are a standard copy of the COA less the batch or lot number and manufactures dates. Specification sheet can be dated and should only be considered as a general information. Please contact and request an up to date COA if needed for specific updated information before placing order by filling out the contact form with product name and SKU number. If ordering quantities of twenty five kilos or more contact for availability.

Specification Sheets

Male Fern Powder


These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease.

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