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The *Suwen* (Plain Questions) states: All malaria arises from wind pathogens. It also states: Summer injury by summer-heat leads to malaria in autumn; this is caused by the qi of the four seasons. Some cases result from excessive exposure to coolness...

When the disease first begins, it must start with the hair follicles erecting, followed by yawning, then chills and shivering of the jaw, severe headache as if breaking, thirst desiring cold drinks. There are cases of cold preceding heat, or heat preceding cold; cases where heat is more than cold, or cold more than heat; cases of only heat without cold, or only cold without heat; cases occurring once a day, every other day, or once every three days. Cases occurring once a day are easier to treat.

There are what are called Dan malaria (febrile malaria), Han malaria (cold malaria), Wen malaria (warm malaria), Shi malaria (food stagnation malaria)... A wiry and rapid pulse indicates mostly heat; a wiry and slow pulse indicates mostly cold; a wiry, small, and large pulse indicates suitability for emesis therapy. If not cured after a long time, fullness and binding in the hypochondrium form... [text missing]

For treating cold predominating over heat, or only cold without heat, accompanied by headache, nausea, chest fullness and vomiting, body pain, shivering aversion to cold, blue-white complexion, inability to eat, and a wiry-slow pulse:

Ingredients: Houpo (Cortex Magnoliae Officinalis, processed with ginger juice, stir-fried), Huoxiang Ye (Folium Pogostemonis), Banxia (Rhizoma Pinelliae, soaked in boiling water seven times), Baifuling (Poria, peeled, each 1 liang), Renshen (Radix Ginseng), Gancao (Radix Glycyrrhizae, honey-fried), Juhong (Pericarpium Citri Reticulatae, each 3 fen), Caoguoren (Semen Tsaoko), Cangzhu (Rhizoma Atractylodis Lanceae, soaked in rice washing water overnight, skin removed, sliced, stir-fried, each 1 liang).

Crush the above ingredients. Take 4 qian per dose, add 1.5 zhan of water, 7 slices of Shengjiang (Fresh Ginger Rhizome), and 1 Zaozi (Jujube fruit). Decoct until 0.8 zhan remains, remove dregs, and take warm at any time. For those with excess cold, add Fuzi (Radix Aconiti Lateralis Preparata) and decoct together.

For treating Dan malaria (Febrile Malaria), with a wiry-rapid pulse, only heat without cold, or heat more than cold, diaphragmatic fullness with ability to eat, bitter taste in mouth, dry tongue, vexation, thirst for water, scanty red urine, and constipation:

Ingredients: Qingpi (Exocarpium Citri Grandis, white pith removed), Houpo (Cortex Magnoliae Officinalis, processed with ginger juice, stir-fried), Baizhu (Rhizoma Atractylodis Macrocephalae), Caoguoren (Semen Tsaoko), Chaihu (Radix Bupleuri, radix removed), Fuling (Poria, peeled), Banxia (Rhizoma Pinelliae, soaked in boiling water seven times), Huangqin (Radix Scutellariae), Gancao (Radix Glycyrrhizae, honey-fried, equal parts).

Crush the above ingredients. Take 4 qian per dose, add 1.5 zhan of water, 5 slices of Shengjiang (Fresh Ginger Rhizome). Decoct until 0.7 zhan remains, remove dregs, and take warm at any time.

Wan'an San (Ten Thousand Safety Powder) treats all types of malaria. At the beginning of the illness, when the patient's qi is strong, this medicine is taken to achieve efficacy. It is not suitable for those with deficient qi, weak stomach, or pregnant women.

Ingredients: Cangzhu (Rhizoma Atractylodis Lanceae, soaked in rice washing water overnight), Gancao (Radix Glycyrrhizae)... [text missing]

Soak overnight in dew. On the day of the attack, divide into two doses. Take one dose in the morning before the fever starts, and take the second dose when the fever occurs. Avoid hot-natured foods for a period.