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When infants and children suffer from Cold Damage (Shanghan) for four or five days, heat pathogens enter the Zang organs. When the Zang organs are affected by heat, body fluids become depleted and dry, resulting in fever and thirst.

For treating infantile Cold Damage with heat-thirst, accompanied by irritability and oppression after purgation, Gancao San (Licorice Powder) is indicated.
Gancao (Radix Glycyrrhizae, half liang, processed until slightly red and sliced)
Moli Fen (Concha Ostreae powder, half liang)
Huangqin (Radix Scutellariae, half liang)
Chishaoyao (Radix Paeoniae Rubra, half liang)
The above ingredients are coarsely ground into a powder. Each dose consists of one qian (approx. 3-5g), decocted with one small cup of water until reduced to one-fourth of the original volume. The dregs are filtered out. One egg white is added to the powder, stirred thoroughly until foam is removed, and taken warm slowly. Dosage should be adjusted according to the child's age and size.

For treating infantile Cold Damage characterized by heat in the head, cold feet, dry mouth, and excessive thirst, Renshen San (Ginseng Powder) is indicated.
Renshen (Radix Ginseng, half liang, rhizome removed)
Qianglang (Lampyridis Larva, two specimens, wings and legs removed, lightly stir-fried)
Huangqi (Radix Astragali, half liang, sliced)
Mahuang (Herba Ephedrae, half liang, roots and nodes removed)
Chifuling (Poria Cocos with Red Bark, half liang)
The above ingredients are coarsely ground into a powder. Each dose consists of one qian, decocted with one small cup of water and a little fresh ginger. Decoct until reduced to four-fifths of the original volume. Filter out the dregs and take warm at any time. Dosage should be adjusted according to the child's age and size.

For treating infantile Cold Damage with heat-thirst, headache, and restlessness, Gualougen San (Trichosanthes Root Powder) is indicated.
Gualougen (Radix Trichosanthis, half liang)
Kushen (Radix Sophorae Flavescentis, one fen, sliced)
Renshen (Radix Ginseng, one fen, rhizome removed)
Hanshuishi (Calcitum, half liang)
Gancao (Radix Glycyrrhizae, one fen, processed until slightly red and sliced)
The above ingredients are coarsely ground into a powder. Each dose consists of one qian, decocted with one small cup of water until reduced to four-fifths of the original volume. Filter out the dregs and take warm at any time. Dosage should be adjusted according to the child's age and size.

For treating infantile Cold Damage with vexing heat and unquenchable thirst, Tugua Gen San (Trichosanthes Kirilowii Root Powder) is indicated.
Tugua Gen (Radix Trichosanthes Kirilowii, half liang)
Maimendong (Radix Ophiopogonis, half liang, heart removed and baked)
Gancao (Radix Glycyrrhizae, one fen, processed until slightly red and sliced)
Gegen (Radix Puerariae Lobatae, one fen, sliced)
Pipaye (Folium Eriobotryae, one fen)
The above ingredients are coarsely ground into a powder. Each dose consists of one qian, decocted with one small cup of water until reduced to four-fifths of the original volume. Filter out the dregs and take warm at any time. Dosage should be adjusted according to the child's age and size.

For treating infantile Cold Damage where excessive sweating has occurred, followed by diarrhea, with persistent vexing thirst and a surging pulse (Hongda Mai), Shigao San (Gypsum Powder) is indicated.
Shigao (Gypsum Fibrosum, one liang)
Zhimu (Rhizoma Anemarrhenae, half liang)
Digupi (Cortex Lycii, half liang)
Gancao (Radix Glycyrrhizae, half liang, processed until slightly red and sliced)
Renshen (Radix Ginseng, half liang, rhizome removed)
The above ingredients are coarsely ground into a powder. Each dose consists of one qian, decocted with one small cup of water and one hundred grains of Jingmi (Oryza Sativa Germ). Decoct until reduced to four-fifths of the original volume. Filter out the dregs and take warm at any time. Dosage should be adjusted according to the child's age and size.