Single Herb Glossary
Bái Fán (Míng Fán) 白礬 （明礬）
| Pharmaceutical name | Alumen Alum "white alum" |
| Category | Substances for Topical Applications |
| Key Properties | Externally: Restrains Pathogenic Dampness and Resolves Toxicity Internally: Transforms Phlegm and Thin Mucus |
| Properties | Sour Astringent Cold |
| Tropism | LI, LV, LU, SP |
| Actions & Indications | 1) Resolves Toxins, Dries Dampness, Kills Parasites, & Alleviates Itching (wash for scabies or tinea) 2) Restrains & Inhibits Sores, Gen Flesh, & Transform Putrefaction 3) Stops Bleeding & Alleviates Diarrhea (Blood in stool, Uterine bleeding, vaginal discharge) 4) Clears Heat & Expels Phlegm |
| Dosages | 1-3g decoctions; 0.6-1.5g in pills and powders |
| Contraindications (TCM) | SP/ST deficiency or in absence of Damp-Heat; use with caution when taking internally. |
| Contraindications (Western) | |
| Chemical Composition | KAl2(SO4)2(OH)6 |
| Pharmacological Effects | • Antibiotic: inhibitory effect in vitro against Bacillus proteus, Pseudomonas aeruginosa, S. aureus, and Candida albicans; inhibitory effect on various gram-positive and gram-negative bacteria, including but not limited to S. aureus, Bacillus proteus, E. coli, Pseudomonas aeruginosa, Bacillus anthracis, Bacillus dysenteriae, Salmonella typhi, β-hemolytic streptococcus, Diplococcus and Streptococcus pneumoniae |
| Herb-Drug Interactions | |
| Classical Formula(s) |
This information is a reference tool for Chinese herbal studies. It is not intended to replace professional medical advice. Please consult a primary health professional if you require health advisory.