（唇未肿则肺热，燥则唇干，利湿热唇烂，肺热则唇生核，狐惑则唇浓上疮或
则唇下疮，风则唇动 ，虚则唇白无色，寒则唇青或噤。）
舌乃心之苗，心宁则舌安，心扰则舌乱。且肺之络又连舌本，心肺有热，其苗自不能宁，故搐弄不息，
长出不收。脾乃仓廪之官，其华在唇，且胃脉环于唇口，咂唇者、硬肿者，乃是脾火也。若破荷叶浸软贴之，
或辰砂和蜜敷之，倘若唇肉已伤，不治。疹回后倘有此症，重用黄连、石膏、莲心、栀、柏，以清心苗。
盖舌乃心苗，口为脾窍，火降则热自疏矣。
发狂一症，虽不得见，然总因风寒外束，腠理闭密，大肠干燥，身热无汗，毒火郁结而不得发越故也。
初起用麻黄散加大黄，回后用石膏（四两）、知母、黄连（各一钱）等味，治之可愈。
《经》云∶烦躁者，毒瓦斯壅塞并表里不宁也。如抓搔者，疹痒也。不安者，内热也。呻吟者，疼也。
又烦者，气血燥也。《经》云∶内烦外躁，小便不通，小肠热积也。 疹每有此症，或至昼夜不安。
谵语发狂，啼叫多时，治宜发汗兼通大小便，《经》云∶心烦乱用凉膈散，快胸又疏表，透毒凉解清火以
去其根。又云∶肾燥故心躁，火屈于水而出也。《经》云∶肾枯燥急食辛以润之。又肺主烦，肾主燥，有痰，
有火，有毒，有虫，有痒，用黄芩、黄连、麦冬、知母、贝母、连翘、车前、羚羊、犀角、防风、胆
草、干葛、冬花、茯苓、柴胡、山栀、槐花、石膏、栝蒌仁等味，
又加玄参、生甘草、茯苓、山栀解清肺火，宜重或用大黄、六一散之类。
（嘴唇未肿胀时，多为肺热；若因燥邪则嘴唇干燥；湿热下注则嘴唇溃烂；肺热炽盛则嘴唇生核状物；狐惑病则嘴唇上部或下部出现脓疮；风邪侵袭则嘴唇颤动；气血虚弱则嘴唇苍白无血色；寒邪凝滞则嘴唇发青或牙关紧闭。）
舌是心的外候，心气安宁则舌体安稳，心神受扰则舌体紊乱。况且肺的络脉连接于舌根，心肺有热，其外候自然不能安宁，所以出现抽搐、弄舌不止，舌头伸出后不能收回。脾是主管饮食消化的器官，其荣华表现于嘴唇，且胃经环绕口唇，咂唇、嘴唇硬肿等症状，乃是脾火所致。如果用破荷叶浸软后贴敷，或者用辰砂调和蜂蜜外敷，倘若唇肉已经损伤，则难以治愈。疹毒消退后如果仍有这些症状，应重用黄连、石膏、莲子心、栀子、黄柏，以清泻心火。因为舌是心的外候，口是脾的窍道，火势下降则热邪自然疏解。
发狂这一病症，虽然未必亲眼见到，但总归是因为风寒束缚体表，腠理密闭，大肠干燥，身体发热且无汗，毒火郁结而不能发散所致。初起阶段使用麻黄散加大黄，疹退之后使用石膏（四两）、知母、黄连（各一钱）等药物，治疗可以痊愈。
《内经》说：烦躁不安，是因为毒邪壅塞，表里都不安宁。如抓挠皮肤，是因为疹子瘙痒。心神不宁，是因为内热。呻吟痛苦，是因为疼痛。又烦乱，是因为气血燥热。《内经》说：内心烦乱而外表躁动，小便不通，是小肠热邪积聚所致。麻疹患者常出现这种症状，甚至昼夜不得安宁。
胡言乱语、发狂、啼叫多时，治疗应当采用发汗兼通利大小便的方法。《内经》说：心烦意乱时使用凉膈散，既能宽胸又能疏解表邪，透发毒邪，凉血解毒，清泻火热以去除病根。又说：肾燥导致心躁，这是火被水克制而外发的表现。《内经》说：肾枯燥急，应当食用辛味食物来滋润它。又肺主烦，肾主燥，若有痰、火、毒、虫、痒等症状，可使用黄芩、黄连、麦冬、知母、贝母、连翘、车前子、羚羊角、犀角、防风、龙胆草、葛根、款冬花、茯苓、柴胡、山栀、槐花、石膏、瓜蒌仁等药物。再加玄参、生甘草、茯苓、山栀以清泻肺火，宜重用，或者使用大黄、六一散之类的方剂。
(Lips not swollen indicate Lung Heat; dryness causes lips to be dry; damp-heat leads to lip ulceration; excessive Lung Heat results in nodules on the lips; Huo or disease (a condition characterized by oral and genital ulcers) presents with purulent sores on the upper or lower lips; Wind causes lip tremors; deficiency manifests as pale, colorless lips; Cold causes blueish lips or lockjaw.)
The tongue is the sprout of the Heart. When the Heart is tranquil, the tongue is stable; when the Heart is disturbed, the tongue becomes chaotic. Furthermore, the collaterals of the Lung connect to the root of the tongue. If there is heat in the Heart and Lung, their external manifestation cannot remain tranquil, resulting in continuous twitching and protrusion of the tongue that fails to retract. The Spleen is the official responsible for granaries (digestion), and its luster manifests in the lips. Additionally, the Stomach meridian encircles the lips and mouth. Lip smacking, hardness, and swelling are signs of Spleen Fire. Applying softened broken lotus leaves or a mixture of Cinnabar and honey externally may help; however, if the lip tissue is already damaged, it is incurable. After the rash subsides, if these symptoms persist, heavy doses of Huanglian (Coptidis Rhizoma), Shigao (Gypsum Fibrosum), Lianxin (Nelumbinis Plumula), Zhizi (Gardeniae Fructus), and Huangbai (Phellodendri Cortex) should be used to clear the Heart's sprout. Since the tongue is the sprout of the Heart and the mouth is the orifice of the Spleen, reducing Fire will naturally dissipate Heat.
The syndrome of mania, though not always observed directly, generally arises from external constraint by Wind-Cold, closure of the interstices (Cou Li), dryness of the Large Intestine, fever without sweating, and the郁结 (stagnation) of toxic fire that cannot vent. In the initial stage, Mahuang San (Ephedra Powder) combined with Dahuang (Rhei Radix et Rhizoma) is used. After the rash recedes, treatment with Shigao (Gypsum Fibrosum, 4 liang), Zhimu (Anemarrhenae Rhizoma), and Huanglian (Coptidis Rhizoma, 1 qian each) can lead to recovery.
The Classics state: Irritability and restlessness result from the obstruction of toxic pathogens and disharmony of the interior and exterior. Scratching indicates pruritus associated with the rash. Restlessness indicates internal Heat. Moaning indicates pain. "Fan" (vexation) refers to dryness of Qi and Blood. The Classics state: Internal vexation with external agitation and urinary retention indicate accumulation of Heat in the Small Intestine. This symptom often occurs in measles patients, causing restlessness day and night.
Delirium, mania, and prolonged crying require treatment involving diaphoresis (sweating) and unblocking both the greater and lesser bowels. The Classics state: For mental confusion and restlessness, use Liangge San (Cooling the Diaphragm Powder) to relieve chest oppression, release the exterior, vent toxins, cool blood, resolve toxicity, and clear Fire to eliminate the root cause. It also states: Dryness of the Kidney causes vexation of the Heart, where Fire is constrained by Water and forced outward. The Classics state: For dryness and urgency of the Kidney, pungent foods should be consumed to moisten. The Lung governs vexation, and the Kidney governs dryness. In cases involving Phlegm, Fire, Toxins, Parasites, or Pruritus, herbs such as Huangqin (Scutellariae Radix), Huanglian (Coptidis Rhizoma), Maidong (Ophiopogonis Radix), Zhimu (Anemarrhenae Rhizoma), Beimu (Fritillariae Bulbus), Lianqiao (Forsythiae Fructus), Cheqianzi (Plantaginis Semen), Lingyangjiao (Saigae Tataricae Cornu), Xijiao (Rhinoceoris Cornu - *Note: Use substitutes due to conservation laws*), Fangfeng (Saposhnikoviae Radix), Dancao (Gentianae Radix), Genge (Puerariae Radix), Donghua (Adenophorae Radix), Fuling (Poria), Chaihu (Bupleuri Radix), Shanzhi (Gardeniae Fructus), Huaihua (Sophorae Flos), Shigao (Gypsum Fibrosum), and Gualouren (Trichosanthis Semen) may be used. Additionally, Xuanshen (Scrophulariae Radix), Sheng Gancao (Glycyrrhizae Radix et Rhizoma), Fuling (Poria), and Shanzhi (Gardeniae Fructus) should be added to clear Lung Fire, preferably in heavy doses, or formulas like Dahuang (Rhei Radix et Rhizoma) and Liuyi San (Six-to-One Powder) may be employed.