麻之法大非宜。强用须当分天时。春冬寒月犹似可。夏秋炎日切莫施。
古有 麻之说。虽近有理。然亦当分天时。如春冬严寒。麻为风寒所遏。闭而不出。 之以取
汗。使腠理开豁。犹曰可也。若夏秋炎热之时。只宜令之于无风之处坐卧。以单被盖之。勿令其冒
风冒暑耳。岂可 助。倘炎热而用 法。则火热愈甚。麻必焦紫。致变坏证。而不救者多矣。
麻证从来喜清凉。首尾不用补中方。缘何麻后议补中。为救过凉脾胃伤。
麻证属火。肺胃实热者多。虚寒者少。千人之中。虚寒者偶有其一。故治麻俱宜先用疏散寒
凉之药者。此之谓也。而古人又有议补中之说者何哉。盖指麻收之后而言。非指初热正出正收
时之谓也。缘由麻证先用寒凉之药过多。而脾胃受伤败坏。以致麻收之后。多得呕吐。泄泻青色。
唇白身冷。当审其轻重而用补中之法。所以人参、白术、白苓、砂仁、霍香、陈皮、薏苡仁、莲肉等
味。在所不忌。但当佐以清凉之药。加川黄连、枯黄芩。俱微炒而用之。夫既补中。而又加清凉之
品者。其义盖恐中气实。而邪火复作。故兼用之耳。至于白术。呕泄太甚者。用之始宜。如吐泻轻
者。则又不宜轻用。若其人素禀虚弱。当出麻之际。过于发散。出透之后。又过用寒凉解毒。以致
虚弱之极。骨瘦神疲。面无红色。且又不能多食。食多即吐者。即急以香砂六君子汤去半夏。加麦
芽、KT 石斛以补之。
香砂六君子汤
人参 白术（炒） 白茯苓 炙甘草 陈皮 半夏 木香 砂仁 水煎。空心服。
治疗麻疹的方法非常讲究适宜性。如果强行使用某种疗法，必须根据天时气候来区分。春季和冬季的寒冷月份尚且可以（使用辛温发散法），夏季和秋季的炎热日子则切莫施用。
古代有关于“麻”的说法，虽然接近事理，但也应当根据天时气候来区分。例如在春冬严寒之时，麻疹被风寒邪气遏制，闭塞而不得透发，此时用辛温之法以取汗，使腠理开豁，尚且可以说可行。若是夏秋炎热之时，只宜让患儿在无风之处坐卧，用单层被子覆盖，不要让其冒受风邪或暑热罢了。怎么可以用辛温助阳之法呢？倘若在炎热之时使用辛温发散法，那么火热之邪会更加严重，麻疹必然变成焦紫色，导致变坏证候，不能救治的情况就很多了。
麻疹病证向来喜欢清凉环境，从头到尾都不应使用补中益气方剂。为什么在麻疹消退后讨论使用补中法呢？这是为了补救因过用寒凉药物而损伤脾胃的后果。
麻疹病证属于火邪，肺胃实热的情况多，虚寒的情况少。千人之中，虚寒者偶尔只有一两个。所以治疗麻疹都适宜先用疏散、寒凉的药物，说的就是这个道理。那古人又有议论使用补中法的说法，为什么呢？大概是指麻疹收没之后的阶段而言，并非指初起发热、正出或正收时的阶段。缘由在于麻疹病证初期若过用寒凉药物过多，导致脾胃受伤败坏，以致麻疹收没之后，大多出现呕吐、泄泻青色粪便、嘴唇苍白、身体冰冷等症状。应当审察其轻重程度而使用补中法。因此人参、白术、茯苓、砂仁、藿香、陈皮、薏苡仁、莲肉等药材，在所不忌。但应当佐以清凉的药物，加入川黄连、枯黄芩，都要微炒后使用。既然已经补益中气，而又加入清凉之品，其中的含义大概是担心中气充实后，邪火再次发作，所以兼用它们罢了。至于白术，只有在呕吐泄泻太严重时，使用才适宜。如吐泻较轻者，则又不宜轻易使用。如果其人平素禀赋虚弱，当麻疹发出之际，过于发散；透发之后，又过用寒凉解毒药，以致虚弱到了极点，骨瘦如柴、精神疲惫、面色无红泽，并且又不能多吃食物，吃多即吐者，应立即用香砂六君子汤去掉半夏，加入麦芽、石斛来补益。
The methods for treating measles must be highly appropriate. If one insists on using a specific method, it is necessary to distinguish based on the seasonal climate. It may still be acceptable during the cold months of spring and winter, but it must absolutely not be applied during the hot days of summer and autumn.
Ancient texts have discussed "measles." Although this approach is close to reason, it too must be distinguished according to the seasonal climate. For instance, during the severe cold of spring and winter, if measles are suppressed by wind-cold pathogens, causing them to remain closed and unable to erupt, using acrid-warm methods to induce sweating, thereby opening the couli (pores), can be considered acceptable. However, during the heat of summer and autumn, it is only appropriate to let the patient sit or lie in a place without wind, covered with a single blanket, avoiding exposure to wind or summer-heat. How could one use acrid-warm methods to assist yang? If such methods are used during hot weather, the fire-heat will become even more severe, the measles rash will likely turn scorched purple, leading to complicated and deteriorating syndromes, from which many patients cannot be saved.
Measles syndromes have always favored coolness; tonifying the middle jiao formulas should not be used from beginning to end. Why discuss tonifying the middle after the resolution of measles? This is to rescue the spleen and stomach from damage caused by excessive cooling.
Measles syndromes belong to fire pathogens; there are many cases of excess heat in the lung and stomach, and few cases of deficiency-cold. Among a thousand people, deficiency-cold occurs occasionally in only one or two individuals. Therefore, the treatment of measles generally favors the initial use of dispersing and cooling herbs; this is what is meant. Then why do ancient texts propose the use of tonifying the middle jiao? This refers to the stage after the measles have resolved, not the initial fever phase when they are erupting or resolving. The reason is that if too many cooling herbs are used initially in measles treatment, the spleen and stomach may be injured and damaged. Consequently, after the measles resolve, patients often experience vomiting, green diarrhea, pale lips, and a cold body. One must assess the severity and apply the method of tonifying the middle jiao. Thus, herbs such as Renshen (Ginseng Radix et Rhizoma), Baizhu (Atractylodis Macrocephalae Rhizoma), Baifuling (Poria), Sharen (Amomi Fructus), Huoxiang (Agastachis Herba), Chenpi (Citri Reticulatae Pericarpium), Yiyiren (Coicis Semen), and Lianrou (Nelumbinis Semen) are not prohibited. However, they should be accompanied by cooling herbs, such as Chuan Huanglian (Coptidis Rhizoma) and Ku Huangqin (Scutellariae Radix), both lightly stir-fried before use. Since the middle jiao is being tonified while adding cooling agents, the rationale is likely to prevent the resurgence of pathogenic fire due to an excess of middle qi, hence the combined use. As for Baizhu (Atractylodis Macrocephalae Rhizoma), it is suitable only when vomiting and diarrhea are severe. If the symptoms are mild, it should not be used lightly. If a patient has a constitutionally weak physique, and during the eruption of measles, overly dispersing methods were used; or after eruption, excessive cooling and detoxifying herbs were applied, leading to extreme weakness, emaciation, fatigue, lack of ruddy complexion, and inability to eat much (vomiting upon overeating), one should immediately use Xiangsha Liujunzi Tang (Six Gentlemen Decoction with Aucklandia and Amomum) with Banxia (Pinelliae Rhizoma) removed, and add Maiya (Hordei Fructus Germinatus) and Shihu (Dendrobii Caulis) to tonify.
Xiangsha Liujunzi Tang (Six Gentlemen Decoction with Aucklandia and Amomum)
Renshen (Ginseng Radix et Rhizoma), Baizhu (Atractylodis Macrocephalae Rhizoma, stir-fried), Baifuling (Poria), Zhigancao (Glycyrrhizae Radix et Rhizoma Preparata), Chenpi (Citri Reticulatae Pericarpium), Banxia (Pinelliae Rhizoma), Muxiang (Aucklandiae Radix), Sharen (Amomi Fructus). Decoct in water and take on an empty stomach.