the same,
the Sex, as to women with child, especially in the last monthes, the opening of a veine is prohibited; unlesse some disease inforce it and there be store of blood, proper∣ty of nature, custome, habit of body, course of life, constitu∣tion of Aire, some Symptomes, as large evacuations, watch∣ings and such like, which dissipate the spirits, and substance of our bodyes, and loosen our strength, unlesse they are ta∣ken away by opening of a veine.
The quantity of letting blood is indicated from the great∣nesse of the fault depending on the blood, and according as that hath greater or lesse force, so blood is to be evacuated more largely, or sparingly, yet the strength, as also things permitting are here to be weighed, an•• all those things, which are the signes of strength, and weaknesse; and tis to be considered whether the strength will beare that evacua∣tion, which the magnitude of the disease requires.
But whether the quantity of blood which is indicated be to be taken away at once, or severall times, the great∣nesse of the disease, and the strength doe shew; in a most violent evil••, tis convenient to evacuate the blood at once, in milder at severall times; also strong bodyes will beare one large evacuation of blood, but if they are weake, tis better to doe it at severall times.
The presence of those Indicants which serve for the let∣ting blood,
shews the time of letting blood, and the ab∣sence of the prohibiting; therefore the most convenient time of letting blood for the most part is the beginning of a disease, yet it is not to be appointed whilst crude juice, and unconcocted meates are in the first passages, and in diseases wherein there are certaine intermissions, and wherein the fits returne at certaine times, the time when the fit is, is not convenient for letting blood, but the time of intermission is more commodious, or if that be too short, the declination of the fit, or the abating of a disease.
As for the houre,
if a disease that is violent, provokes or urgeth, in what houre of the day soever, or even at mid∣night, no preparation being made before, and no delay being made, you may open a veine, at other times, one houre or two after sleep is most convenient.
But where,
or the place, and veine to be opened, al∣though what veines soever be opened it may evacuate the whole body, yet the larger performe this best, and regard is to be had, to the fountaine of blood, and the rise of the