SECT. XL.—ON PAIN.

A torpid pain is occasioned by a cold affection; a throbbing is

characteristic of a strong inflammation. But, if a person feel as if

pierced by a sharp-pointed instrument, or bored by a wimble, this kind of

pain is peculiar to the thick intestine, i. e. the _colon_. The pungent

is seated in the membranes. The darting pain attends the most vehement

attacks, not only of hemicrania, but also of cephalæa. It is said to be

darting when it commences in the seat of the affection, as from a root,

and spreads quickly to the surrounding parts. Stretching pains take

place in the nerves, when they are affected and stretched towards both

extremities. But the nerves are not liable to be affected with lateral

distensions. The membrane under the skin when distended occasions tensive

and torpid pains; those between the flesh, as it were, divellent. For

they are many, have irregular insertions, and surround the flesh. But

the pains proceeding from the membranes which surround the bone, are

deep-seated, and seem to proceed from the bones themselves. Wherefore,

when no external cause of the pain is apparent, you must consider the

patient’s preceding regimen. If it has been more inactive than usual,

or if he has been taking more nutritive food than common, or if any

evacuation has been suppressed,—if any or all of these circumstances be

observed, plethora is the cause of the pain, and you must evacuate him

as quickly as possible; for, by this means you will be enabled with all

safety to use such remedies as are fitted to repel the defluxions from

the affected parts. If the part be distended with a fulness of blood,

open a large vein near it immediately; but when bad humours alone are the

cause, you must purge; and, when both meet together, you must use both

evacuations, beginning with the bleeding. If, after both these remedies

have been tried, the pain continue, it is clear that the offending matter

has become fixed in the part affected; and it is also clear, that the

cure will be accomplished by discutient remedies. In like manner, we may

cure pains from flatulence, by soothing them with attenuant food and

injections, and opening the pores of the containing part with cataplasms,

irrigations, and fomentations. If a swelling bearing down and pressing

upon the part be the cause of the pain, it must be removed; but, if it

proceed from a pungent humour, attenuant and calefacient things are most

improper. Dill boiled in oil is anodyne and soporific, and the green more

than the dry.

* * * * *

COMMENTARY. This Section is taken from Oribasius (Synops. vi, 29), or

Aëtius (v, 100.) All these authors, however, merely abridge the account

given by Galen. (Meth. Med. xii, 8, and de Locis Affect. ii.) In the

latter work he gives a most ingenious dissertation on the different kinds

of pain, and the states of the body in which they occur; but, as our

author has given a summary of his observations, we think it unnecessary

to go over the same ground. We shall, therefore, merely notice some

of his remarks on the treatment, as delivered in the other work. When

the pain is connected with flatulence, it is to be removed by food,

drink, cataplasms, and fomentations of an attenuant nature. When pungent

humours are the cause of the pain, they are to be treated by evacuants,

diluents, or narcotics. When occasioned by thick and viscid humours,

he forbids narcotics, the action of which, being frigorific, renders

them thicker, and the containing parts more compact. In all such cases,

therefore, he holds that opium and hyoscyamus, although they afford a

temporary relief from pain, act prejudicially. He also proscribes things

of a very hot nature, both internally and externally, and recommends

to give attenuants, or things of an incisive nature. He in particular

commends garlic, which he calls the theriac of rustics. As to external

applications, he directs, in febrile cases, first a dry fomentation of

millet-seeds, and, if it is not successful, friction with subtile or

attenuant oils, and the fat of fowls.

Aëtius defines pain to be a sensation produced by a sudden change

of temperament, or a solution of continuity. In illustration of the

former cause, he remarks that all sudden changes from heat to cold, or

_vice versa_, occasion severe pains. To the latter he refers rupture,

contusion, and erosion of the parts. Rupture is produced by tension,

contusion by weight, and erosion by some pungent quality. These causes

of pain ought to be particularly attended to, and the treatment modified

accordingly. His subsequent account is exactly the same as our author’s.

The different kinds of pain are fully treated of by Avicenna (i, 2,

3, 20), and by Haly Abbas (Theor. vi, 16.) Averrhoes has delivered

the treatment of this complication of fever in nearly the same terms

as Galen. When the pain is occasioned by warm air or flatulence, he

particularly commends cupping applied with great heat. He agrees with

Galen in condemning narcotics, when the exciting cause is of a cold

nature. He also joins him in condemning hot fomentations and clysters,

when the pain of the bowels is occasioned by a hot humour. (Collig. vii,

18.) See Rhases (Cont. xxxiii.)

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