Er Cha儿茶

CatechuCatechu

Also known asPasta Acaciae seu Uncariae · Black Catechu · Black Cutch · Brown Cutch · White Cutch · Catechu seu Gambir

Usual doses

Drains Dampness and absorbs suppuration: Sores that are filled with purulent fluid, chronic, syphilitic sores, non-healing sores and sores of the oral cavity
Stops bleeding and generates flesh: Topically for bleeding due to external trauma
Internal bleeding with epistaxis, hematemesis, hemafecia and irregular uterine bleeding
Clears Heat, clears the Lungs, transforms Phlegm, generates fluids and stops diarrhea: Cough due to Lung Heat
Thirst due to Summerheat
Bloody diarrhea, dysenteric disorders
These uses are now rare
Relieves Food Stagnation in children and promotes digestion: Indigestion or Food Stagnation in children

Avoid in Cold-Dampness.

Eczema, weeping ulcers and other Damp skin lesions.
- Bing Pian
- Ge Jie
Applied topically for burns.
- Jin Yin Hua
- Lian Qiao
Redness, swelling, heat and pain in the mouth and throat.
- Qing Dai
- Huang Bai
- Bing Pian
Ulcers of the mouth and gums.
- Hu Huang Lian
Syphilitic sores.
- She Chuang Zi
Used as an external wash for vaginal discharge.
- Ma Huang
- Xing Ren
- Shi Gao
- Gan Cao
Cough with yellow phlegm.
- San Qi
Upper digestive tract bleeding.
- San Qi
- Hai Piao Xiao
Bleeding.
Traumatic bruising, swelling and pain.
- Xi Xin
Cough from Phlegm-Heat.
Cough due to Phlegm-Heat.
- Qing Fen
- Xue Jie
Applied topically for necrotic ulcers.
- Peng Sha
Applied topically for oral ulcers.
- She Xiang
Applied topically for hemorrhoids.
Applied topically for bleeding from trauma.
- Xue Jie
- Ru Xiang
- Mo
- Yao
- Bing Pian
- (Long Gu
Applied topically as a powder for oozing, non-healing sores.
Thirst.

Taken internally, it clears Heat from the Upper Jiao, transforms Phlegm and generates Fluids, though these uses are now uncommon.
Applied externally, it restrains Dampness, closes non-healing sores, eases pain and stops bleeding.
It is also said to promote the growth of new flesh.
Er Cha and Alumen Ming Fan both drain Dampness and absorb seepage. Ming Fan resolves toxicity, kills parasites, dries Dampness and relieves itching, and its primary use is for Dampness. Er Cha has more transformative power, and is used for pus-filled sores and chronic non-healing sores; it also stops bleeding from external trauma.