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Qian Yi stated: The "Bian Zheng" (periodic growth and transformation) in infants is the residual Qi of bones, which enters the gums from the chest region to form thirty-two teeth. If the number of teeth does not reach thirty-two, it is due to insufficient "Bian" (transformation), which is a normal variation. Some infants may grow twenty-eight teeth at twenty-eight days of age. It is also said that infants shed teeth during "Bian Zheng," similar to flowers replacing seedlings. The reason for having fewer than thirty-two teeth is that the process of "Bian" was inadequate; tooth eruption should correspond with the days of "Bian Zheng." Only when the child grows older and physically robust will the teeth fully erupt and become distinct. Delayed tooth eruption is caused by insufficient congenital Kidney Qi, leading to weak Marrow. Since bones are connected to Marrow, insufficient Marrow cannot nourish the teeth, resulting in delayed eruption.

Newborns who present with "Chong Yin" (double gum) or "Chong She" (double tongue) do so because their Blood and Qi fail to consolidate into muscle tissue. Consequently, there is a swelling inside the cheek resembling a reed tube filled with water, termed "Chong She"; if located on the gums, it is called "Chong Yin." The treatment involves wrapping a long needle with cotton, leaving two puncture points the size of millet grains to pierce the area, allowing blood and fluid to drain. First, cleanse with light salt water, then apply Yizi San (One-Character Powder), which leads to recovery.

The tongue is the external indicator of the Heart, and the Spleen's collaterals connect to the tongue. If Zang-Fu organs are obstructed and Heat accumulates in the Heart and Spleen, rising Heat causes the tongue to swell, gradually enlarging until it fills the mouth. This condition is known as "Mu She" (wooden tongue). Without urgent treatment, it can be fatal. It is appropriate to administer Zixue (Purple Snow) mixed with Zhuli (Bamboo Juice), which results in recovery. "Chong She" (double tongue) is also caused by Heat in the Heart and Spleen. The Heart corresponds to the tongue and governs Blood; the Spleen's collaterals emerge from under the tongue. If Heat exists in the Heart and Spleen, both Blood and Qi become excessive, attaching to the root of the tongue and forming a secondary mass resembling a small tongue, termed "Chong She." One may apply Zhen Puhuang (Real Cattail Pollen) mixed with Huangbai powder (Phellodendron Bark) to the site, or use Yanxiao (Niter) instead. Qian Yi stated: Mild Heat in the Spleen causes slight tightness in the tongue collaterals, leading to frequent protrusion of the tongue. Treatment should avoid cold medicines and purgatives; instead, Xiehuang San (Drain Yellow Powder) should be administered in small amounts gradually. There are cases where infants drink water excessively; physicians mistakenly attribute this to Heat and use cold purgatives, which is incorrect. Excessive drinking indicates deficiency of the Spleen and Stomach and scanty Body Fluids. If accompanied by sallow complexion, emaciation, and five-palm heat, it constitutes Ganshou (Gan syndrome with emaciation), and herbs such as Huhuanglian Wan (Coptis Pill) should be added. In severe illnesses, the appearance of "Nong She" (playing with the tongue) indicates a poor prognosis.

Huadu Tang (Toxin-Detoxifying Decoction): Treats pediatric wind-Heat attacking the throat, causing sore throat and difficulty feeding.
Jiegeng (Platycodon Root, de-lugged and stir-fried, 5 qian); Boheye (Mint Leaf, 2.5 qian); Jingjiesui (Schizonepeta Spike, 2.5 qian); Gancao (Licorice Root, 2.5 qian each); Shandougen (Sophora Tonkinensis Root, 1.5 qian); Yanxiao (Niter, 2 qian); Pengsha (Borax, 2 qian); Puxiao (Mirabilite, 1 qian); Xionghuang (Realgar, processed by water levigation, 2 qian); Zhusha (Cinnabar, processed by water levigation, 2 qian).
Grind all ingredients into an extremely fine powder. Apply externally or mix with warm water for oral administration at any time; alternatively, allow the child to hold and swallow small amounts.

Ganjie Tang (Glycyrrhiza and Platycodon Decoction): Treats pediatric wind-Heat invasion where Fire Qi harasses acne toxins, attacking the throat, causing swelling, phlegm obstruction, cough, and loss of voice.
Renshen (Ginseng Root, de-lugged, 5 qian); Jiegeng (Platycodon Root, honey-steeped and stir-fried, 1 liang); Gancao (Licorice Root, half raw and half honey-roasted, 5 qian).
Cut into pieces, decoct in water, and administer at any time.

Lixiao San (Instant-Efficacy Powder): Treats pediatric throat bi-pain preventing swallowing.
Pengsha (Borax); Longnao (Borneol); Xionghuang (Realgar); Puxiao (Mirabilite) (each 0.5 qian).
Grind into an extremely fine powder and sprinkle dry onto the affected area.

Chuihou San (Throat-Blowing Powder): Treats pediatric sore throat with qi obstruction.
Gancao (Raw Licorice Root, 2.5 qian); Puxiao (Mirabilite, 1 liang).
Grind into a fine powder and sprinkle dry into the throat. If swelling is severe, use a small bamboo tube to blow the powder into the throat.