-IBIS-1.5.0-
rx
herb
Aspidium filix-mas (Male Fern)
botanicals
definition
botanical name(s): Aspidium filix-mas, Dryopteris filix-mas
synonyms: male fern, aspidium, bear's paw root, knotty brake, sweet brake, farnkraut, fongere, marginal shield-fern
part(s) used: rhizome, oleoresin
qualities:
affinities:
actions:
dosage:
» rhizome: 1 - 10 g
» tincture: 3 - 6 ml.
» oleoresin: 2 g
therapy:
toxicity: 2
» contraindicated during pregnancy due to its abortifacient effect
» contraindicated in anemia or in elderly or debilitated subjects due to impaired respiration/circulation effects (Brinker)
» contraindicated in stomach ulcers and intestinal ulcers due to the mucosal irritants in the oleoresin (filmaron and filicic acid) (Brinker)
» contraindicated in heart disorders due to its cardiac depressive effects
» contraindicated in kidney insufficiency or liver disorders due to the albuminuria and bilirubinuria it may cause (Brinker)
» Moderate doses can cause gastrointestinal and CNS symptomatology: nausea, vomiting, diarrhea, and colic can occur in mild cases; followed by headache, vertigo and dyspnea. In severe cases the pulse becomes rapid, followed by delirium, syncope, trismus, tonic-clonic seizures leading to coma
» Visual disturbances include yellow vision, amblyopia, nystagmus, amaurosis, hemianopia; blindness may ensue
» Hepatotoxic symptoms include jaundice and blood dyscrasiae
» laboratory test results: in severe cases, urinalysis will reveal albuminuria, casts and glycosuria (Duke, p. 170; von Oettingen, p. 248)
constituents:
footnotes
Duke, J.A. 1985. C.R.C. Handbook of Medicinal Herbs. Boca Raton, FL: The C.R.C. Press.
Brinker F. 1996. The Toxicology of Botanical Medicines, rev. 2nd ed., Sandy, Oregon: Eclectic Medical Publications.
von Oettingen, W.F. 1958. Poisoning: A Guide to Clinical Diagnosis and Treatment. Philadelphia: W.B. Saunders and Company.