Syn.—Aspidium Felix Mas; Male Fern.
N. H.—Europe and America.
Properties: Astringent, anthelmintic, tonic.
Use: To remove tape worms. Being a powerful irritant to the gastro-intestinal tract it is contra-indicated in irritation or inflammation of this tract. It should be given in doses of 30 to 60 drops of the fluid extract ½ hour before breakfast and before retiring, in a little sugar water or thin syrup. This to be continued for a few days or even longer. The diet should be light. Follow by a vegetable or saline laxative. No oils should be used as they favor the absorption of the poisonous elements of the drug.