Definitely Hazardous
Aristolochic Acid (see Aristolochic Acid)
- Common Names and Sources
- Aristolochia
- Birthwort
- Snakeroot
- Snakeweed
- Sangree Root
- Sangrel
- Serpentary
- Serpentaria
- Asarum canadense
- Wild Ginger
- Health Effects
- Human carcinogen
- Renal failure
- Death
Very Likely Hazardous
Comfrey
- Common Names and Sources
- Symphytum officinale
- Ass Ear
- Black Root
- Blackwort
- Bruisewort
- Consolidae Radix
- Consound
- Gum Plant
- Healing Herb
- Knitback
- Knitbone
- Salsify
- Slippery Root
- Symphytum radix
- Wallwort
- Health Effects
- Liver damage
- Death
Androstenedione
- Common Names and Sources
- 4-androstene-3
- 17-dione
- Andro
- Androtene
- Health Effects
- Increased cancer risk
- Decreased HDL
Chaparral
- Common Names and Sources
- Larrea divaricata
- Creosote Bush
- Greasewood
- Hediondilla
- Jarilla
- Larreastat
- Health Effects
- Liver damage
- Death
Germander
- Common Names and Sources
- Teucrium chamaedrys
- Wall Germander
- Wild Germander
- Health Effects
- Liver damage
- Death
Kava
- Common Names and Sources
- Piper methysticum
- Ava
- Awa
- Gea
- Gi
- Intoxicating Pepper
- Kao
- Kavain
- Kawa-Pfeffer
- Kew
- Long Pepper
- Malohu
- Maluk
- Meruk
- Milik
- Rauschpfeffer
- Sakau
- Tonga
- Wurzelstock
- Yagona
- Yangona
- Health Effects
- Liver damage
- Death
Likely Hazardous
Bitter Orange
- Common Names and Sources
- Citrus aurantium
- Green Orange
- Kijitsu
- Neroli Oil
- Seville Orange
- Shangzhou Zhiqiao
- Sour Orange
- Zhi Oiao
- Zhi Xhi
- Health Effects
- Hypertension
- Arrhythmias
- Myocardial Infarction
- Stroke/CVA
Lobelia
- Common Names and Sources
- Lobelia inflata
- Asthma Weed
- Bladderpod
- Emetic Herb
- Gagroot
- Lobelie
- Indian Tobacco
- Pukeweed
- Vomit Wort
- Wild Tobacco
- Health Effects
- Breathing Difficulty
- Tachycardia
- Hypotension
- Diarrhea
- Dizziness
- Deaths
Organ/Glandular Extracts
- Common Names and Sources
- Brain
- Adrenal
- Pituitary
- Placenta
- Health Effects
- Theoretical Risk of Mad Cow Disease (especially from brain extracts)
Pennyroyal Oil
- Common Names and Sources
- Hedeoma pulegioides
- Lurk-in-the-Ditch
- Mosquito Plant
- Piliolerial
- Pudding Grass
- Pulegium
- Run-by-the-Ground
- Squaw Balm
- Squawmint
- Stinking Balm
- Tickweed
- Health Effects
- Liver and Kidney Failure
- Nerve Damage
- Seizures
- Abdominal Pain
- Burning of the Throat
- Death
Scullcap
- Common Names and Sources
- Scutellaria lateriflora
- Blue Pimpernel
- Helmet Flower
- Hoodwort
- Mad Weed
- Mad-Dog Weed
- Mad-Dog Herb
- Quaker Bonnet
- Scutelluria
- Skullcap
- Health Effects
- Liver damage
Yohimbe
- Common Names and Sources
- Pausinystalia yohimbe
- Johimbi
- Yohimbehe
- Yohimbine
- Health Effects
- Changes in Blood Pressure
- Arrhythmias
- Respiratory Depression
- Myocardial Infarction
- Death