The oleoresin of aspidium was used to treat intestinal tapeworms but its use was discontinued due to a number of fatalities.


Aspidium was a genus in the wood fern family Dryopteridaceae. It has been reclassified and its members reassigned to other genera or families.


Chemicals in the oleoresin include filicin and tannins.


Adverse effects of aspidium oleoresin:

(1) vomiting

(2) diarrhea

(3) headache

(4) dizziness

(5) seizures

(6) sweating

(7) ambylopia

(8) altered consciousness including stupor and coma

(9) dyspnea, cyanosis and/or respiratory failure


To read more or access our algorithms and calculators, please log in or register.