The Commission E Monographs Approved Herbs with Similar Contraindications as Squill Digitalis Glycosides, Treatment with F.C.  of Pheasant's Eye fluidextract, Lily-of-the-valley powdered extract, Squill powdered extract, and Oleander leaf powdered extract Lily-of-the-valley herb Pheasant's Eye herb Potassium Deficiency Lily-of-the-valley herb Pheasant's Eye herb