PART TWO: INTERNAL DISEASES. CHAPTER I: ON THE AGUE [OR FEVER-AND-CHILLS].

1. That disease which begins with shivering for a shorter or longer duration, and then brings on heat, and cools off after a few hours, and then shivers again at its appointed time, is called the ague [*dōgh*]. 2. Few men are to be found, of whatever constitution they may be, who have not had the ague; wherefore it is known to all what sort of disease this is. 3. When the ague comes on, the patient feels a weakness in all [his] limbs, yawns, stretches, feels chilled, his teeth chatter; when the chill seizes [him], he feels oppression of the chest, loses [his] appetite (*ishtah*), and feels nauseated, sometimes even throwing up yellow bile from the mouth; the color (*rang*) of the feet and hands departs and the fingernails turn blue, the pulse [*majēn*] beats weakly and breathing becomes difficult, thirst increases, and the color of the urine changes. 4. After the shivering comes the heat, which, gradually increasing, sometimes becomes so severe that the patient’s whole body is scorched and burns as if in a *t‘ondir* [tonir]; only at this juncture does breathing become easier than during the shivering; the oppression of the chest lessens, and the pulse (*majēn*) beats fast and full, thirst [becomes] seve-