Pinyin: Hu Huang Lian  Chinese: 胡黃連
Pharmaceutical: Rhizoma Picrorhizae Kurroa
Taxonomy: Picrorhiza kurroa
English: Figwort-flower Picrorhiza Rhizome

Tastes: Bitter, cold
Meridians Entered: Liver, Kidney, Stomach and Large Intestine

Actions & Indications:

1. Clears Deficiency Heat
   Yin Deficiency with Heat signs
   Damage to Yin from smoking, combined with tea (Wilcox, 2025)
2. Clears Heat and reduces childhood nutritional impairment
   Childhood nutritional impairment with abdominal distention, afternoon fevers and dysenteric diarrhoea
3. Drains Damp-Heat
   Damp-Heat dysenteric disorder or sores

Standard Dosage: 3-10g in decoction.

Pinyin: Hua Jiao / Chuan Jiao  Chinese: 花椒 / 川椒
Pharmaceutical: Pericarpium Zanthoxyli
Taxonomy: Zanthoxylum bungeanum seu schinifolium
English: Sichuan Pepper

Tastes: Pungent, warm
Meridians Entered: Spleen, Stomach and Kidney

Actions & Indications:

1. Warms the Middle Jiao, disperses Cold, dispels Dampness, relieves diarrhoea and alleviates pain
   Spleen and Stomach Deficiency Cold with Cold and pain in the abdomen, vomiting and diarrhoea
2. Kills Parasites and alleviates abdominal pain
   Abdominal pain due to roundworms
   Moist dermal ulcers
   Gu Parasites / chronic inflammatory disease (Fruehauf, 2015)

Standard Dosage: 3-6g in decoction.

Pinyin: Lei Wan  Chinese: 雷丸
Pharmaceutical: Omphalia
English: Thunderball Fungus

Tastes: Slightly bitter, cold, mildly toxic
Meridians Entered: Stomach and Large Intestine

Actions & Indications:

1. Kills Parasites and expels Demons
   Roundworms and tapeworms
   Childhood nutritional impairment or abdominal pain due to parasites
   Topically for tinea infections
   Gu Sydnrome (Fruehauf, 1998)
   Chronic inflammatory disease (Fruehauf, 2015)
2. Removes the Three Worms
   Said in the Shen Nong Ben Cao Jing that it removes the Three Worms. These may refer to difficult to treat metabolic disorders caused by overindulgence and should be accompanied by fasting, meditation and exercise regimes.

Standard Dosage: 5-7g in pills or powdered, taken with warm water, 3 times per day over 3 days.
Cautions: Do not decoct this herb because it contains protease that will be easily broken at 60℃. Take with cautions if the patients suffer deficiency-cold of spleen and stomach with helminthic accumulation.

Pinyin: Wu Mei  Chinese: 烏梅
Pharmaceutical: Fructus Mume
Taxonomy: Prunus mume
English: Black Plum

Tastes: Sour, astringent, neutral
Meridians Entered: Liver, Spleen, Lung, and Large Intestine

Actions & Indications:

1. Astringes leakage of Lung Qi, stops leakage of sweat and stops coughs
   Chronic Lung Deficiency coughs, dysphagia, regurgitation
2. Generates Yin and Yang fluids and alleviates thirst
   Thirst due to Heat from Deficiency Qi and Yin Deficiency
   Wasting and thirsting (消渴 Xiao Ke) disorder due to Deficiency Heat
3. Expels roundworms and alleviates pain
   Roundworm induced vomiting and abdominal pain
   Occasionally used for abdominal pain and vomiting not associated with parasites
4. Astringes the Intestines and stops diarrhoea
   Chronic, incessant diarrhoea or dysentery and fecal incontinence and hemafecia (can be used alone charred for these purposes)
   Rectal prolapse
5. Stops bleeding
   Bleeding (hemafecia, and excessive uterine bleeding) with symptoms of Blood Deficiency (Dryness, thirst and a parched mouth
   Can be used alone charred and powdered for bleeding from the vagina, anus or urethra
6. Treat corns and warts topically
   Corns and warts

Standard Dosage: 3-10g in decoction, but can be up to 30g.

Pinyin: Huang Bai  Chinese: 黄柏
Pharmaceutical: Cortex Phellodendri
Taxonomy: Phellodendron amurense seu chinense
English: Amur Corktree Bark

Tastes: Bitter, cold
Meridians Entered: Liver, Gallbladder, Large Intestine, Kidney and Bladder

Actions & Indications:

1. Drains Damp-Heat especially from the Lower Jiao
   Thick, yellow vaginal discharge, foul smelling diarrhoea or dysenteric disorder
   Damp-Heat in the Lower Jiao
   Hot Leg Qi with red, swollen, painful knees, legs or feet
   Damp-Heat jaundice
2. Drains Kidney Fire (False Heat, Deficiency Heat)
   Kidney Yin Deficiency with Empty Fire Rising (steaming bone disorder, night sweats, afternoon fevers and sweating, occasionally with nocturnal emissions and spermatorrhea)
3. Drains Fire and relieves Fire toxicity
   Toxic sores and Damp-skin lesions (internally and topically)

Standard Dosage: 6-10g in decoction.
Cautions: It is contraindicated for deficiency-cold syndrome. Overdosage and long-time taking will impair spleen and stomach.

Pinyin: Bing Lang  Chinese: 槟榔
Pharmaceutical: Semen Arecae
Taxonomy: Areca catechu
English: Betel Nut

Tastes: Bitter, pungent, warm
Meridians Entered: Stomach and Large Intestine

Actions & Indications:

1. Kills Parasites and expels Demons
   Kills a wide variety of Intestinal parasites including fasciolopsis, pinworms, roundworms and Blood flukes Best for tapeworms
   Drains downward to expel the bodies of dead parasites
   Gu Sydnrome (Fruehauf, 1998)
   Chronic inflammatory disease (Fruehauf, 2015)
2. Regulates Qi, reduces accumulations, drains downward and unblocks the bowels
   Food Stagnation and Qi Stagnation with abdominal distention, constipation or tenesmus
3. Promotes urination
   Damp leg Qi and oedema due to Excess
4. Treats malarial disorders
   Malarial disorders
5. Relieves nausea
   Nausea

Standard Dosage: 3-10g in decoction.
Cautions: It is contraindicated for loose stool due to spleen insufficiency or qi sinking. Use with caution for pregnant women.

This herb is prohibited from use in the UK under the banned and restricted herbal ingredients list issued by the MHRA and so is generally substituted with Zhi Shi and Yi Li Ren, or Fei Zi and Yu Li Ren for expelling parasites.