丹皮同煮，研用。石苇为使，恶曾青，制雄黄。以广东中及山东蓬莱者为佳云。
甘，寒，无毒。足太阳药也。利小便而止渴，降心火而退热，通诸窍而行乳，解五淋而
泻湿
香港脚，行滞积瘀血，消吐衄疮肿。小便赤黄不利者急服，清利者忌用。
黄胆晡热，额黑溏泻，得之女劳。同石膏末，大麦汤下。腹满难治。（验方第一。）
小便不通，为末，合车前汁，敷脐之四旁，干再易。冬月水合。（第二。）
妊娠子淋尿闭，水合敷脐下。（第三。）
伏暑水泻，火 一两，硫黄四钱，丸绿豆大，姜水下。（第四。）
伏暑吐泻，烧四两，木香、丁香各一钱为末，米汤下一钱。（第五。）
霍乱及疟。同上。（第六。）
热疮遍身出黄水，风毒也。为末敷之。（第七。）
脚趾缝烂，滑石一两， 膏半两，枯矾少许，掺之。（第八。）
阴下湿痒。同上。（第九。）
斑喘发硬，目赤鼻胀，此热毒也。同白矾为末，不住服。（第十。）
益元散 南滑石（六两） 甘草（一两）
为末。每服三钱，温水下，实热凉水下。治中暑身热尿涩，暑泻下迫，催生下乳，烦热
泻泄
，肠癖，赤白痢，蓄水，消渴，产后热甚，乳痛，诸淋石淋，身热呕吐，五劳七伤，胸腹闷
痛，烦满短气，痰嗽，惊悸，健忘，一切虚损，阴痿等症。（诸方第一。）
Boil together with Cortex Moutan (Danpi), then grind for use. Use Folium Pyri Nipponicae (Shiwei) as a guiding herb; it is incompatible with Atramentum Cupri (Zengqing), and Realgar (Xionghuang) requires processing. It is said that those from central Guangdong and Penglai, Shandong, are of superior quality.
Sweet in taste, cold in nature, non-toxic. It is a herb of the Foot-Taiyang Bladder Channel. It promotes urination and relieves thirst, descends Heart Fire and reduces fever, unblocks various orifices and promotes lactation, resolves the five types of strangury (Lin syndrome) and drains dampness, treats Hongjiao (Beriberi/leg qi), moves stagnation and stasis, eliminates vomiting, epistaxis, sores, and swelling. It should be taken urgently by those with red-yellow urine and difficult urination; it is contraindicated for those with clear and profuse urination.
For jaundice accompanied by afternoon fever, blackening of the forehead, and loose stools, which results from female labor (sexual exhaustion), mix with Powder of Gypsum Fibrosum (Shigao) and take with Barley Decoction. If abdominal fullness occurs, it is difficult to treat. (Verified Formula 1.)
For urinary retention, grind into powder, mix with Juice of Plantago Seed (Cheqian), and apply around the navel. Reapply when dry. In winter, mix with water. (Formula 2.)
For strangury during pregnancy (Zilin) causing urinary obstruction, mix with water and apply below the navel. (Formula 3.)
For summerheat-induced watery diarrhea, take 1 liang of [Huaishi], 4 qian of Sulfur (Liuhuang), make pills the size of mung beans, and swallow with Ginger Decoction. (Formula 4.)
For summerheat-induced vomiting and diarrhea, calcine 4 liang of [Huaishi], mix with 1 qian each of Radix Aucklandiae (Muxiang) and Flos Caryophylli (Dingxiang), grind into powder, and take 1 qian with Rice Decoction. (Formula 5.)
For cholera and malaria. Same method as above. (Formula 6.)
For heat-toxin sores spreading over the body with yellow exudate, caused by wind-toxin: grind into powder and apply externally. (Formula 7.)
For maceration between toes: 1 liang of [Huaishi], 0.5 liang of ointment, and a little Alum (Kufan); sprinkle on the affected area. (Formula 8.)
For dampness and itching in the genital region. Same method as above. (Formula 9.)
For erysipelas with wheezing, hardened skin, red eyes, and swollen nose, this is due to heat-toxin: mix with Alum (Baifan), grind into powder, and take continuously. (Formula 10.)
Yiyuan San: Nan Huashi (Southern Talcum, 6 liang), Gancao (Licorice Root, 1 liang).
Grind into powder. Take 3 qian per dose, swallowed with warm water; for excess-heat conditions, swallow with cool water. Treats midsummerheat with body fever and dysuria, summerheat diarrhea with tenesmus, induces labor and promotes lactation, irritability and heat with diarrhea, intestinal dysentery, red-and-white dysentery, fluid accumulation, xiaoke (wasting-thirst), postpartum high fever, breast abscess, all types of strangury and lithiasis, body fever with vomiting, five exhaustions and seven injuries, chest and abdominal distension and pain, irritability and shortness of breath, phlegm-cough, palpitations, forgetfulness, all deficiency syndromes, impotence, etc. (Primary Formula.)