有色点而无头粒者，谓之 。有头粒而随出即没，没而又出者，谓之疹。 属风热，挟
痰而作。疹属热与痰在肺，凡丹从四肢入腹者死。又云瘾疹多属脾，隐隐然在皮肤之间，故
言瘾疹也，发则多痒，或不仁者，是兼风兼湿之殊，色红者，兼火化也。热微者，赤 出，
热甚者，黑 出。赤 九生一死，黑 十死一生。
疹通治，消息随宜。
防风 川芎 当归 麻黄 薄荷 连翘 芒硝 大黄 白芍（各五钱） 黄芩 石膏 桔
梗（
上锉，水煎服，身疼加苍术、羌活，痰嗽加半夏。
治丹疹属血风血热。
荆芥穗 甘草（炙） 陈皮（去白） 浓朴（各五钱） 白僵蚕（炒） 蝉蜕（去土炒）
人参 茯苓
上为末，每服三钱，荆芥茶清调下。
治伤寒。汗吐下后， 发脉虚。
人参 石膏 知母 甘草 白术
上煎，时时服。
一方 加玄参。
又方 用黄瓜水调伏龙肝服，去红点 好。
治内伤外感而发阴 。此无根失守之火，聚于胸中，上熏于肺，传于皮肤，如蚊虫咬形
状，而非锦纹也。
苍术（一钱半） 陈皮（一钱） 砂仁 藿香 芍药（炒） 甘草（炙） 桔梗 半夏 白
芷羌活 枳壳（各一钱） 川芎（半钱） 麻黄 桂枝（各半钱）
身上出现有色斑点但没有颗粒隆起的，称为丹毒（一种皮肤红肿热痛的病症）。有颗粒隆起且刚出来就消退、消退后又再次出现的，称为疹。这属于风热之邪，夹杂痰湿而发病。疹的病机是热与痰蕴结在肺脏，凡是皮疹从四肢向腹部蔓延的预后不良，主死。又说瘾疹多归属于脾经，隐隐约约出现在皮肤之间，所以称为瘾疹，发作时大多瘙痒，如果感觉麻木不仁，这是兼夹风邪和湿邪的区别；颜色红的，是兼夹火邪化热的表现。热邪轻微的，发出红色的斑疹；热邪严重的，发出黑色的斑疹。红色斑疹九生一死，黑色斑疹十死一生。
治疗疹病的通用方法，需根据病情轻重缓急灵活调整。
处方：防风、川芎、当归、麻黄、薄荷、连翘、芒硝、大黄、白芍（各五钱）、黄芩、石膏、桔梗。
以上药物切碎，用水煎煮后服用。若身体疼痛，加苍术、羌活；若有痰嗽，加半夏。
治疗因血风和血热引起的丹疹。
处方：荆芥穗、甘草（炙）、陈皮（去白）、浓朴（各五钱）、白僵蚕（炒）、蝉蜕（去土炒）、人参、茯苓。
以上药物研成细末，每次服用三钱，用荆芥茶汁调服。
治疗伤寒病。在发汗、催吐或泻下治疗后，出现斑疹且脉象虚弱的情况。
处方：人参、石膏、知母、甘草、白术。
以上药物煎煮，不时服用。
另一方案：加入玄参。
又一方：用黄瓜水调服伏龙肝，可以去除红点，效果良好。
治疗因内伤和外感共同作用引发的阴斑。这是由于无根失守的虚火，聚集在胸中，向上熏蒸肺脏，传导至皮肤，形状像蚊虫叮咬的痕迹，而不是锦纹样的丹毒。
处方：苍术（一钱半）、陈皮（一钱）、砂仁、藿香、芍药（炒）、甘草（炙）、桔梗、半夏、白芷、羌活、枳壳（各一钱）、川芎（半钱）、麻黄、桂枝（各半钱）。
Those presenting with colored spots but without granular elevations are termed *Dan Du* (erysipelas, a condition characterized by red, swollen, hot, and painful skin lesions). Those presenting with granular elevations that appear and disappear immediately, only to reappear, are termed *Zhen* (rash). This pattern belongs to Wind-Heat pathogenic factor, complicated by Phlegm-Dampness. The pathology of *Zhen* involves Heat and Phlegm accumulating in the Lung organ; if the rash spreads from the limbs into the abdomen, the prognosis is fatal. It is also stated that *Yin Zhen* (urticaria) mostly pertains to the Spleen organ; it appears faintly within the skin, hence the name *Yin Zhen*. Upon eruption, it is mostly pruritic; if accompanied by numbness or loss of sensation, this indicates a differentiation involving Wind and Dampness. Red coloration indicates an accompanying Fire transformation. Mild Heat manifests as red macules/papules; severe Heat manifests as black macules/papules. Cases with red macules/papules have nine survivors for every one death; cases with black macules/papules have ten deaths for every one survivor.
The general treatment for *Zhen* should be adjusted according to the severity and specific circumstances.
Formula: Fangfeng (Saposhnikoviae Radix), Chuanxiong (Ligustici Chuanxiong Rhizoma), Danggui (Angelicae Sinensis Radix), Mahuang (Ephedrae Herba), Bohe (Menthae Haplocalycis Herba), Lianqiao (Forsythiae Fructus), Mangxiao (Natrii Sulfas), Dahuang (Rhei Radix et Rhizoma), Baishao (Paeoniae Radix Alba) (each 5 qian), Huangqin (Scutellariae Radix), Shigao (Gypsum Fibrosum), Jiegeng (Platycodonis Radix).
Crush the above herbs, decoct in water, and take orally. If body pain is present, add Cangzhu (Atractylodis Rhizoma) and Qianghuo (Notopterygii Rhizoma et Radix); if phlegm-cough is present, add Banxia (Pinelliae Rhizoma).
Treats Dan Zhen caused by Blood-Wind and Blood-Heat.
Formula: Jingjie Sui (Schizonepetae Spica), Gancao (Glycyrrhizae Radix et Rhizoma, prepared), Chenpi (Citri Reticulatae Pericarpium, white part removed), Houpo (Magnoliae Officinalis Cortex) (each 5 qian), Baijiangcan (Bombyx Batryticatus), Chantui (Cicadae Periostracum, cleaned and stir-fried), Renshen (Ginseng Radix et Rhizoma), Fuling (Poria).
Grind the above into powder. Take 3 qian per dose, mixed with clear decoction of Jingjie tea.
Treats Taiyang disease (Cold Damage). After sweating, vomiting, or purging therapies, if macules/papules appear and the pulse is deficient.
Formula: Renshen (Ginseng Radix et Rhizoma), Shigao (Gypsum Fibrosum), Zhimu (Anemarrhenae Rhizoma), Gancao (Glycyrrhizae Radix et Rhizoma), Baizhu (Atractylodis Macrocephalae Rhizoma).
Decoct the above and take frequently.
Another prescription: Add Xuanshen (Scrophulariae Radix).
Yet another prescription: Mix Fulonggan (Dragon's Liver, calcined earth from the bottom of a cooking hearth) with cucumber juice and take orally to remove red spots effectively.
Treats Yin Ban (yin-type macules/papules) caused by combined internal injury and external contraction. This arises from rootless and unanchored fire gathering in the chest, steaming upward to the Lung, and transmitting to the skin. The appearance resembles insect bites rather than the brocade-patterned erysipelas.
Formula: Cangzhu (Atractylodis Rhizoma, 1.5 qian), Chenpi (Citri Reticulatae Pericarpium, 1 qian), Sharen (Amomi Fructus), Huoxiang (Agastaches Herba), Shaoyao (Paeoniae Radix, stir-fried), Gancao (Glycyrrhizae Radix et Rhizoma, prepared), Jiegeng (Platycodonis Radix), Banxia (Pinelliae Rhizoma), Baizhi (Angelicae Dahuricae Radix), Qianghuo (Notopterygii Rhizoma et Radix), Zhike (Aurantii Fructus Immaturus) (each 1 qian), Chuanxiong (Ligustici Chuanxiong Rhizoma, 0.5 qian), Mahuang (Ephedrae Herba), Guizhi (Cinnamomi Ramulus) (each 0.5 qian).
Treats Ban Zhen (macules/papules) and Yin Zhen (urticaria).
Formula: Niubangzi (Arctii Fructus, 6 qian), Jingjie (Schizonepetae Spica, 3 qian), Fangfeng (Saposhnikoviae Radix, 3 qian), Gancao (Glycyrrhizae Radix et Rhizoma, 2 qian).
Decoct in water and take orally.