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Nor are these the only particulars to be considered, but also what kind of distemper it is: whether a redundancy, or deficiency of matter has been hurtful; whether the body be corrupted or sound. For if there be a deficiency, or the humours be sound, this method is prejudicial. But if either the quantity of matter is hurtful, or it is corrupted, no other remedy is more successful; for this reason a violent fever, when the skin is red, and the veins are full and turgid, requires bleeding: likewise diseases of the bowels, and palsies, and the tetanus, and convulsions; in fine, whatever strangulates the fauces, so as to cause a difficulty in breathing; whatever suddenly stops the speech; any pain, that is intolerable; and any internal rupture, or bruise, from whatever cause; also a bad habit of body; and all acute distempers; provided, as I observed above, they hurt not by weakness, but by redundancy.

But it may possibly happen, that a distemper may indeed require this method, and at the same time the body may seem hardly able to bear it: but yet if there appears no other remedy, and the patient must perish, unless he shall be relieved even by a rash attempt; in this case, it is the part of a good physician to shew, that there is no hope without bleeding; and to confess what bad consequences may be apprehended even from that remedy; and after that, to bleed if desired. It is by no means proper to hesitate about it in such a situation as this: for it is better to try a doubtful remedy, than none at all. And this ought especially to be practised, when there is a palsy; when one has lost his speech suddenly; when an angina suffocates; when the preceding paroxysm of a fever has almost killed a person, and another equally severe is likely to follow, and the strength of the patient seems unable to bear it.