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OAK (Quercus spp.) ++MAD and PH2 = Quercus robur L. (“Stieleiche” (German) in this entry). I think our white oak
would serve just as well. For oak galls see Quercus infectoria Olivier entry.
Activities (Oak) — Antibacterial (1; BGB); Antiinflammatory (2; KOM; SHT); Antiperspirant (1;
APA; MAD); Antiseptic (1; APA; PNC); Antitumor (1; FAD); Antiviral (1; SHT); Astringent (1;
APA; MAD; SHT); Carcinogenic (1; FAD); Emetic (f; PED); Expectorant (1; BGB); Hemostat (1;
APA; PNC); Immunostimulant (1; PHR); Litholytic (1; BGB); Vermifuge (1; PH2); Vulnerary (1;
APA).
Indications (Oak) — Acute Diarrhea (1; SHT); Albuminuria (f; MAD); Anemia (f; MAD); Angina
(f; MAD); Apoplexy (f; MAD); Asthma (f; MAD); Bacteria (1; BGB); Bleeding (1; APA; BGB;
MAD; PH2; PNC); Blennorrhagia (f; MAD); Bronchosis (2; MAD; PHR; PH2); Bruise (1; APA);
Burn (f; FAD); Cancer (1; FAD; JLH); Cancer, breast (f; JLH); Cancer, colon (f; JLH); Cancer,
intestine (f; JLH); Cancer, lip (f; JLH); Cancer, liver (f; JLH); Cancer, neck (f; JLH); Cancer,
stomach (f; JLH); Cancer, uterus (f; JLH); Chilblain (1; APA); Carbuncle (f; MAD); Chlorosis (f;
MAD); Cirrhosis (f; MAD); Cold (2; PHR); Conjunctivosis (1; APA; PH2); Cough (2; PHR; PH2);
Debility (f; MAD); Dermatosis (2; BGB; KOM; MAD; PH2; SHT); Diarrhea (2; APA; KOM;
MAD; PED; PH2); Dysentery (1; BGB; BIS; FAD); Eczema (1; APA; MAD; PH2); Enterocolitis
(1; APA; BIS); Enterosis (1; APA; MAD); Enuresis (f; MAD); Fever (2; PHR); Fibroma (f; MAD);
Gastroenterosis (1; BIS); Gastrosis (f; MAD); Genitalosis (2; APA; KOM); Gingivosis (1; APA);
Gout (f; MAD); Hematuria (1; MAD); Hemoptysis (1; MAD); Hemorrhoid (1; APA; PED; PH2;
PNC); Hepatosis (f; MAD); Hyperhydrosis (f; PH2); Immunodepression (1; PHR); Infection (2;
APA; PHR); Inflammation (2; BGB; KOM; SHT); Itch (1; APA); Kidney Stone (f; BGB); Leuk-
orrhea (1; BGB; MAD); Malaria (f; BGB); Marasmus (f; MAD); Mucososis (1; APA); Nephrosis
(f; MAD); Pain (f; BGB); Pharyngosis (2; KOM; PH2); Phthisis (f; MAD); Poison Ivy (f; FAD);
Prolapse (f; MAD); Proctosis (2; APA; KOM; MAD; PH2); Psoriasis (f; MAD); Rheumatism (f;
MAD); Scrofula (f; MAD); Sore (1; APA); Sore Throat (1; APA; BGB; PNC); Splenosis (f; MAD);
Stomatosis (2; APA; KOM; MAD; PH2); Stone (1; BGB); Tonsilosis (f; MAD); Tumor (1; FAD);
Ulcer (f; MAD); Uterorrhagia (1; PH2); Uterosis (f; MAD; PH2); Vaginosis (1; BGB); Varicosis
(1; APA; PH2); Virus (1; PH2; SHT); Wart (f; JLH); Worm (1; PH2).
Dosages (Oak) — 1 tsp (~3 g) bark cup/water/day (APA); gargle with 2 tsp bark/pint water (APA);
3 g dry bark (KOM); 3–6 g dry bark (PED); 4.5 g dry bark:22 ml alcohol/23 ml water (PED);
1–1.5 tsp (~4–6 g) bark/day in hot or cold tea (MAD); 5 g bark/liter water for baths; 20 g bark/liter
water for compresses; 2–4 tbsp fresh bark (PED); 0.5–5 ml liquid bark extract (PNC).
Contraindications, Interactions, and Side Effects (Oak) — Class 2d (AHP). Contraindicated
even for external use when skin is extensively damaged, especially with weeping eczema, febrile
and infectious disorders, and cardiac insufficiency states III and IV, hypertonia stage IV (AHP).
Commission E reports interactions for bark: reduced absorption of alkaloids and other basic
substances (AEH). Should not be taken for more than 3–4 days (SHT).