447L
L
LABRADOR TEA (Ledum groenlandicum Oeder) +Synonyms: Ledum latifolium Jacq., Ledum palustre susp. groenlandicum (Oeder) Hultén, Rhodo-
dendron groenlandicum (Oeder) Kron & Judd.
Activities (Labrador Tea) — Abortifacient (f; PHR; PIP); Analgesic (f; DEM); Antiinflammatory
(f; KOM; PH2); Antitussive (f; KOM); Aperitif (f; DEM); Astringent (1; APA); Deliriant (1; APA);
Depurative (f; DEM); Diaphoretic (f; KOM; PIP); Diuretic (f; DEM; KOM; PIP); Emetic (f; DEM;
KOM; PIP); Expectorant (f; PH2; PNC); Hemostat (1; APA); Narcotic (1; APA); Pectoral (f; PNC);
Vulnerary (1; APA).
Indications (Labrador Tea) — Acne (f; APA); Anorexia (f; DEM); Asthma (f; APA; FAD);
Bleeding (1; APA); Blindness (f; DEM); Bronchosis (f; APA; HHB); Bug Bite (f; APA); Burn (f;
DEM; FAD); Cancer (f; APA); Catarrh (f; HHB); Chafing (f; DEM); Childbirth (f; DEM); Chill
(f; DEM); Cold (1; APA); Conjunctivosis (f; DEM); Cough (f; APA; FAD; HHB); Dermatosis (1;
APA; DEM; PH2); Diarrhea (1; APA); Dysentery (f; FAD); Dyspepsia (f; FAD); Fever (f; FAD;
KOM; PIP); Headache (f; APA; DEM); Head Cold (f; DEM); Inflammation (f; DEM; KOM; PH2);
Itch (1; APA; DEM; FAD); Jaundice (f; DEM); Leprosy (f; FAD); Nephrosis (f; APA; FAD);
Ophthalmia (f; DEM); Pain (f; DEM); Pediculosis (f; FAD); Pertussis (f; KOM); Pneumonia (f;
DEM); Poison Ivy (f; DEM; FAD); Pulmonosis (f; FAD); Respirosis (1; APA; PH2); Rheumatism
(f; APA; FAD); Rhinosis (f; DEM); Scurvy (f; FAD); Sore (f; DEM; FAD); Sore Throat (f; DEM);
Sting (f; DEM; FAD); Stomachache (f; FAD); Tuberculosis (f; DEM); Ulcer (f; DEM); Water
Retention (f; DEM; KOM; PIP); Whitlow (f; DEM); Wound (1; APA; DEM).
Dosages (Labrador Tea) — 1 tsp dry leaf/cup water (APA).
Contraindications, Interactions, and Side Effects (Labrador Tea) — Not treated by AHP. “As
efficacy has not been substantiated and there are risks, medicinal use is not recommended” (PIP).
Contraindicated in pregnancy (PIP). Several reports of poisoning. EO, taken orally, violently irritates
the GI tract with diarrhea and vomiting, and irritates the kidney and lower urinary tract, often with
arthralgia, myalgia, perspiration, and central excitation with states of intoxication followed by
paralysis (PIP). The plant is said to have narcotic properties that may cause delirium, paralytic
poisoning, and even death (APA). Irritates skin and mucous membranes (KOM). Grayanotoxin can
slow the pulse, lower blood pressure, and cause convulsions and even paralysis (APA).
LADY FERN (Athyrium filix-femina (L.) Roth ex Mert.) ++Synonym: Polypodium filix-femina L.
Activities (Lady Fern) — Analgesic (f; DEM); Choleretic (f; PH2); Diuretic (f; DEM); Expectorant
(1; PH2); Lactagogue (f; DEM); Taenifuge (f; WO2); Vermifuge (f; GMH; WOI).
Indications (Lady Fern) — Caked Breast (f; DEM); Cancer (f; DEM); Cancer, womb (f; DEM);
Childbirth (f; DEM); Conjunctivosis (f; DEM); Enterosis (f; PH2); Fever (f; DEM); Gastrosis (f;