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Abdominal distension in children can be treated with equal parts of Radish Seed (Lai Fu Zi), Perilla Stem (Zi Su Geng), Kudzu Root (Ge Gen), and Tangerine Peel (Chen Pi), with a small amount of Licorice Root (Gan Cao) added, decocted and taken orally. If food intake is reduced, Atractylodes Rhizome (Bai Zhu) may be added. Another method: use one large toad, place it inside a pig's stomach, boil until cooked, remove the toad, and have the child consume the entire stomach. If the pulse is excess and the constitution is robust, purgation might be considered, followed by consolidation using Atractylodes Rhizome (Bai Zhu) as the principal herb. If abdominal distension is due to food stagnation, use Mu Xiang Bing Lang Wan for heat patterns, or a formula containing Mu Xiang, Magnolia Bark (Nou Pu), Clove (Ding Xiang), Amomum Fruit (Sha Ren), Medicated Leaven (Shen Qu), and Cyperus Rhizome (Xiang Fu) for cold patterns, formed into pills with steamed wheat bread dough. Excess patterns characterized by non-hard and non-painful palpation should be treated with resolving and purging methods, followed by tonification; deficiency patterns require warming, ascending, and tonifying, with tonification being paramount. Magnolia Bark (Nou Pu) treats abdominal distension because its pungent flavor causes Qi to gather in the lower Jiao; therefore, it must be processed with ginger juice.

Qian's Ta Qi Pill treats pediatric deficiency-type abdominal distension and enlargement; adding Radish Seed makes it He Wan Zi.
Ingredients: Piper Longum Fruit (Hu Jiao, 1 liang), Scorpion Tail (Quan Wei, 0.5 liang, detoxified).
Grind into powder, form pills with flour paste to the size of millet seeds. Take 5-7 pills per dose, up to 10-20 pills, with aged rice water, at any time. Another variation includes 1 qian of Aucklandia Root (Mu Xiang); another variation uses 40 pills each of Piper Longum Fruit and Scorpion Tail.

Zhong Man Fen Xiao Wan treats middle-fullness, drum-like distension, water retention with abdominal enlargement, and heat distension.
Ingredients: Scutellaria Root (Huang Qin), Immature Bitter Orange (Zhi Shi, stir-fried, 2 qian), Pinellia Tuber (Ban Xia, 3 qian), Coptis Rhizome (Huang Lian, 3 qian), Turmeric Rhizome (Jiang Huang), Atractylodes Rhizome (Bai Zhu), Ginseng Root (Ren Shen), Licorice Root (Gan Cao), Polyporus (Zhu Ling, 1 qian each), Magnolia Bark (Nou Pu, processed, 5 qian), Poria (Fu Ling), Amomum Fruit (Sha Ren, 2 qian each), Alisma Rhizome (Ze Xie), Tangerine Peel (Chen Pi, 3 qian each), Dried Ginger (Gan Sheng Jiang, 2 qian), Anemarrhena Rhizome (Zhi Mu, 3 qian).
Grind into powder, soak in water, mix with steamed wheat bread dough to form pills the size of paulownia seeds. Take 30 pills per dose, warmed, with plain hot water after meals. Since cold is treated with heat methods, they are warmed.

Tui Qi Pill treats obstruction of the San Jiao, failure of Qi to ascend and descend, chest and diaphragm fullness and distension, constipation, and scanty dark urine.
Ingredients: Rhubarb (Da Huang), Tangerine Peel (Chen Pi), Areca Seed (Bing Lang), Immature Bitter Orange (Zhi Shi), Scutellaria Root (Huang Qin), Black Morning Glory Seed (Hei Qian Niu, equal parts).
Grind into powder, form pills with refined honey to the size of mung beans. Take 20 pills per dose, swallowed with warm water.

Yang's Xiao Zhang Wan.
Ingredients: Aucklandia Root (Mu Xiang), Black Morning Glory Seed (Hei Qian Niu), Radish Seed (Lai Fu Zi), Areca Seed (Bing Lang).
Grind into fine powder, form pills with water paste to the size of paulownia seeds. Take 20 pills per dose, swallowed with warm water.

Bing Lang Wan treats pediatric gan syndrome with abdominal distension, chest and diaphragm stuffiness, panting, and restlessness.
Ingredients: Green Tangerine Peel (Qing Pi, pith removed, stir-fried with Croton Seed (Ba Dou) until yellow, discard Ba Dou), Areca Seed (Bing Lang), Radish Seed (Lai Fu Zi), Cyperus Rhizome (Xiang Fu Zi), Aucklandia Root (Mu Xiang), Black Morning Glory Seed (Hei Qian Niu).
Grind into powder, form pills with ginger paste to the size of millet seeds. Take 10 pills per dose, with rice water.

San Leng Wan treats pediatric accumulation causing abdominal and hypochondriac distension, dry heaving, nausea, and complete anorexia.
Ingredients: Curcuma Zedoaria Rhizome (San Leng, roasted), Aucklandia Root (Mu Xiang), Medicated Leaven (Shen Qu, stir-fried), Tangerine Peel (Chen Pi), Pinellia Tuber (Ban Xia, processed with ginger juice, 1 liang each), Clove (Ding Xiang), Cinnamon Twig (Gui Xin, 0.5 liang each).
Grind into powder, form pills with flour paste to the size of millet seeds. Take 20 pills after milk/food, with ginger water.

Fen Qi San treats pediatric swelling with panting, shortness of breath, and urgency.
Ingredients: Platycodon Root (Bei Jie), Red Poria (Chi Fu Ling), Tangerine Peel (Chen Pi), Mulberry Root Bark (Sang Bai Pi, stir-fried), Betel Nut Shell (Da Fu Pi), Aurantium Immaturum (Zhi Ke, processed), Medicated Pinellia Paste (Ban Xia Qu), Perilla Seed (Zhen Su Zi, stir-fried), Perilla Leaf (Zi Su), Licorice Root (Gan Cao, honey-fried, 2 qian each).
Cut into pieces, take 1 qian per dose, decoct with one small cup of water, three slices of ginger, and one jujube, reduce to half, and take.

Da Zhu Yu Wan treats pediatric overeating leading to abdominal bloating, blockage of Qi circulation above and below the chest, stagnation, dizziness, panting, indigestion despite forced eating, thirst, irritability, inability to sit or lie comfortably, limb fatigue, and abdominal/hypochondriac pain.
Ingredients: Curcuma Phaeocaulis Rhizome (Peng Zhu), Curcuma Zedoaria Rhizome (San Leng, 2.5 qian each, boiled in vinegar), Dried Ginger (Gan Jiang), Green Tangerine Peel (Qing Pi), Tangerine Peel (Chen Pi), Aucklandia Root (Mu Xiang, 1 qian each), Clove (Ding Xiang, 2 qian), Evodia Fruit (Wu Zhu Yu, 2 qian), Croton Seed (Ba Dou, 20 grains, oil removed).
Grind into powder, form pills with vinegar paste to the size of hemp seeds. Take 7-10 pills per dose, with ginger and jujube water.