The Commission E Monographs Approved Herbs with Similar Contraindications as Psyllium seed, Black Esophageal Stenosis Psyllium seed, Blonde Gastrointestinal Stenosis Belladonna F.C.  of Senna leaf and Blonde Psyllium seed husk Henbane leaf Psyllium seed, Blonde Psyllium seed husk, blonde Scopolia root