Y
YEW (Taxus sp.) X
PHR treats the European yew, Taxus baccata L.; APA treats the Western Yew, Taxus brevifolia
Nutt.; DEM treats Canada, European, and Pacific yews independently, all apparently contain the
antitumor compound Monroe Wall named taxol (Paclitaxel).
Activities (Yew) — Abortifacient (f; PHR); Anticancer (1; APA); Antimelanomic (1; APA); Anti-
mitotic (1; APA); Antitumor (1; APA); Arrhythmogenic (1; PH2); Cardioactive (f; PHR); Car-
diotoxic (1; PH2); Depurative (f; DEM); Diaphoretic (f; DEM); Emmenagogue (f; PHR); Poison
(1; PH2); Tachycardic (1; PH2).
Indications (Yew) — Amenorrhea (f; PH2); Cancer (1; APA; FAD; JLH); Cancer, breast (1; APA;
FNF); Cancer, cervix (1; APA; FNF); Cancer, ovary (1; APA; FNF); Cancer, skin (1; APA; FNF);
Chest Cold (f; DEM); Cold (f; DEM); Cough (f; DEM); Debility (f; DEM); Diphtheria (f; PHR);
Dysmenorrhea (f; DEM; PH2); Dysuria (f; APA); Enterosis (f; DEM); Epilepsy (f; PHR); Fever
(f; DEM); Gastrosis (f; DEM); Hepatosis (f; APA); Melanoma (1; APA); Metastasis (1; APA);
Numbness (f; DEM); Pain (f; DEM); Pulmonosis (f; DEM); Respirosis (f; DEM); Rheumatism (f;
APA; DEM); Stomachache (f; DEM); Sunburn (f; DEM); Tapeworm (f; PHR); Tonsilosis (f; PHR);
Tuberculosis (f; DEM); Tumor (1; APA); Worm (f; PH2); Wound (f; DEM).
Dosages (Yew) — Not appropriate for home use (APA).
Contraindications, Interactions, and Side Effects (Yew) — Not covered (AHP; KOM). Very
poisonous plant; causing colic, dry mouth, dyspnea, hypotension, mydriasis, paleness, queasiness,
rash, reddening or blueness of the lips, unconsciousness, vertigo, and vomiting. Death may result
from asphyxiation and diastolic cardiac arrest. 50–100 g fresh needles can kill an adult (APA;
PHR). Fatalities have been reported from drinking yew tea (APA).
YOHIMBE (Pausinystalia johimbe (K. Schum.) Pierre ex Beille) +
Synonym: Corynanthe johimbe K. Schum.
Activities (Yohimbe) — Alpha-2-Adrenergic Inhibitor (1; APA); Anabolic (f; BGB; HH3); Analgesic
(1; PH2); Anesthetic (1; CRC; HHB); Antiadrenergic (1; CRC); Antidepressant (1; HH3); Anxiogenic
(f; APA); Aphrodisiac (1; APA; CRC; HHB; MAD); Calcium Antagonist (1; HH3); Cardiodepressant
(1; CRC); CNS Stimulant (1; APA); Epinephrinergic (1; PH2); Hallucinogenic (1; APA; CRC);
Hypertensive (f; BGB); Hypnotic (f; CRC); Hypotensive (1; APA; CRC; PH2); Lactagogue (1; MAD);
MAOI (1; APA; CRC; HH3; SKY); Mydriatic (1; BGB; CRC; PH2); Poison (1; CRC); SSRI (1;
HH3); Sialagogue (1; PH2); Stimulant (f; CRC); Sympatholytic (1; PH2); Vasodilator (1; APA; SKY).
Indications (Yohimbe) — Amenorrhea (f; HH3; MAD); Angina (1 APA; CRC); Atherosclerosis
(1; CRC); BPH (f; HHB); Cystosis (f; CRC; HHB); Debility (f; PH2); Depression (1; HH3; SKY);