
Dryopteris filix-mas
Also known as Marginal Shield-fern, Shield fern, Aspidium, (1) Male Fern, (2) Marginal Shield Fern.
A most certain taenicide, effectually removing tapeworm, especially the Bothriocephalus latus and the Taenia solium, and said to be less effective upon the Taenia medio-canellata. Prepare the patient in the usual manner over night for the administration of taenicides by purging and fasting.

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Ask HerbertRecognised toxicity. This plant carries a toxicity flag in the record; it is for trained practitioners only.
Breastfeeding: Not for use while breastfeeding
The record lists 2 contraindications; open the plate in the library to read them in full.
| Preparation | As written | Metric |
|---|---|---|
| Powdered rhizome (in capsules) | Powdered rhizome (in capsules): 1-10 g; 5 g is normally the highest dose given | 1000-10000 mg |
| Fluid extract | Fluid extract: 2.5-5 ml | |
| 1:5 tincture | 1:5 tincture: 3-6 ml [Note: alcohol increases absorption and toxicity, therefore tincture is not recommended.] | 3-6 mL |
| Oleoresina Aspidii, Oleoresin of Aspidium | Dose, from six to eight grains. | 389-518 mg |
| A most active gastro-intestinal irritant, it is given to remove tapeworm, The oleoresin is given in doses of half a dram in capsules. | 1944 mg | |
| Dose, 1 to 4 drachms. | 3888-15552 mg |
Doses are reproduced from the sources for practitioners and are not a recommendation for any person.
Therapy. A most certain taenicide, effectually removing tapeworm, especially the Bothriocephalus latus and the Taenia solium, and said to be less effective upon the Taenia medio-canellata. Prepare the patient in the usual manner over night for the administration of taenicides by purging and fasting.
Therapy. A most active gastro-intestinal irritant, it is given to remove tapeworm, The oleoresin is given in doses of half a dram in capsules. One-half to one dram of the fluid extract may be given, or half an ounce of the leaves are steeped in half a pint of water and this is taken before breakfast.
Properties and Uses. The root of this plant has had some repute in the treatment of worms, for several centuries-almost from the time of Christ. About the year 1775, Madame Nouffer, the Medical Herbalism journal and medherb.com The Physiomedical Dispensatory by William Cook, M.D., 1869 widow of a Swiss surgeon, acquired such celebrity in the treatment of the tape- worm, that the King of France, on the commendation of a commission from the French Academy, purchased from her the secret of her treatment.
Action, Medical Uses, and Dosage. This may be used in all cases where male fern is indicated, for which see Aspidium. Six grains in capsule, with or without a like quantity of ether, may be given every quarter hour until 1 ½ or 2 drachms have been taken.
Drawn from Cook's Physio-Medical Dispensatory; King's American Dispensatory, 18th edition (Felter and Lloyd); Ellingwood's American Materia Medica, Therapeutics and Pharmacognosy; Felter's Eclectic Materia Medica, Pharmacology and Therapeutics, and the Bountiful Herbs editorial.

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