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When the smallpox rash has not yet appeared and convulsions are present, Qingjie San (Clearing and Resolving Decoction) should be used to enhance clearing and resolving power; if the rash has emerged but convulsions persist, Daochi San (Guide Out Redness Decoction) is indicated; for deficiency-type convulsions occurring after the scabs have fallen off, Ningshen Tang (Calming the Spirit Decoction) should be administered; for convulsions triggered by food stagnation and fever in the post-smallpox stage, Dadiankang Wan (Great Peaceful Health Pill), also known as Muxiang Da'an Wan, is appropriate.

[Note]
"Jing Dou" (Startled Smallpox) is mostly caused by the fire of smallpox toxin disturbing the Heart-Mind, with heat transferring to the Liver. The Liver Wind and Heart Fire struggle against each other, resulting in this syndrome.
The treatment method must distinguish between the initial and later stages of the disease.
For instance, if convulsions occur before the smallpox rash emerges, one must not solely use cold-natured herbs, as this may obstruct and close up the toxin, preventing its release.
One should only use Qingjie San (Clearing and Resolving Decoction) to disperse exterior pathogens; once the rash emerges, the convulsions will naturally cease.
If the rash has already taken shape but convulsions continue unabated, this indicates that toxic fire is internally lodged in the Heart Meridian. It is suitable to treat this with Daochi San (Guide Out Redness Decoction) added with Huanglian (Coptis Rhizome).
If spasms occur after the scabs have fallen off (Yie Hou), it signifies a deficiency of True Qi with internal attack by pathogenic fire; Ningshen Tang (Calming the Spirit Decoction) should be the primary prescription.
If convulsions are triggered by food stagnation and fever after the recovery from smallpox, this is due to Spleen and Stomach weakness, inevitably accompanied by sallow complexion, tidal fever, and sour-smelling stool.
It is suitable to treat this with Muxiang Da'an Wan (Aucklandia Great Peace Pill).

(Qingjie San) See the section on "Treatment of Fever Syndromes" for the formula.

(Daochi San) Ingredients: Tongcao (Tetrapanacis Medulla), Sheng Dihuang (Rehmanniae Radix), Dan Zhuye (Lophatheri Folium), Gancao Shao (Glycyrrhizae Radix et Rhizoma tip). Usage: Decoct with Dengxin Cao (Junci Medulla) as an adjuvant.

(Verse)
When smallpox takes shape and still startsles,
Daochi San treats with greatest merit;
Tongcao, Dihuang, Zhuye, and Licorice root,
Adding Huanglian makes efficacy miraculous.

(Ningshen Tang) Ingredients: Renshen (Ginseng Radix), Sheng Dihuang (Rehmanniae Radix), Maidong (Ophiopogonis Tuber, heart removed), Zhizi Ren (Gardeniae Semen, fried), Huanglian (Coptidis Rhizoma, wine-fried), Shichangpu (Acori Tatarinowii Rhizoma), Danggui Shen (Angelicae Sinensis Radix body), Gancao (Glycyrrhizae Radix et Rhizoma, honey-fried), Chensha (Cinnabar). Usage: Decoct with Dengxin Cao (Junci Medulla) as an adjuvant.

(Verse)
Ningshen Tang uses Ginseng,
Combined with Rehmannia, Ophiopogon, and Gardenia seed;
Add Coptis, Acorus, Angelica root, and Licorice,
Chensha mixed and taken shows divine efficacy.

(Muxiang Da'an Wan) Ingredients: Shan Zha Rou (Crataegi Fructus flesh), Maiya (Hordei Fructus Germinatus, fried), Shenqu (Massa Medicata Fermentata, fried) each 1 liang; Zhishi (Aurantii Fructus Immaturus, bran-fried) 6 qian; Baizhu (Atractylodis Macrocephalae Rhizoma, earth-fried) 1 liang; Laifuzi (Raphini Semen, fried) 4 qian; Lianqiao (Forsythiae Fructus, heart removed) 5 qian; Huanglian (Coptidis Rhizoma, ginger-fried) 3 qian; Muxiang (Aucklandiae Radix, baked) 3 qian; Suosharen (Amomi Fructus Rotundus) 5 qian; Chenpi (Citri Reticulatae Pericarpium) 8 qian. Preparation: Grind into fine powder, form pills using water. Administration: Take with decoction of fried aged rice (Chencangmi), dosage adjusted according to the child's age and size.

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Miscellaneous syndromes in smallpox