Toxic Herbs from Arch Fam Med. 1998;7:523-536

Herb Name

           Toxicity

Arnica  orally - GI or muscle damage
Belladonna  CNS and respiratory depression
Chaparral  hepatotoxic, tumor trophic
Coltsfoot  carcinogenic, hepatotoxic
Comfrey  carcinogenic, hepatotoxic
Ephedra (Ma-huang)  strokes, palpitations, nerve damage
European Mistletoe  CNS and cardiac toxic, GI bleeding
Germander  hepatotoxic
Licorice  sodium retention, potassium deplretion
Life Root  hepatotoxic, carcinogenic
Pennyroyal  hepatotoxic, neurotoxic
Pokeroot  GI, neuro and heme toxic
Sassafras  carcinogenic
Indian Snakeroot  neurotoxic
Tea Tree Oil  CNS toxic
Yohimbe  cardio toxic, neurotoxic
 
GI (gastro-intestinal system) hepatoxic (liver damage) CNS (central nervous system, i.e. bain) neurotoxic (nerve damage) carcinogenic (promoting cancer)
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