Pharmacodynamics

If I may be pardoned for discussing things pharmacological in a text on

practice, I want to urge that chemicals as such, are usually a failure

in treatment. My results from various series of experimental work both

laboratory and clinical, show quite conclusively that there are very

few, if any, chemical substances that have actual value by virtue of

their chemical properties alone. There are, however, cases in which

chemical agents may be used to advantage to obtain desirable physical

results and physiologic reactions.

The salt mixture mentioned above increases the solvent power of

the water for mucus, pus, and other collected material and it also

renders the water less irritating to the mucous membranes. Other than

this, it has no value so far as I know. This solution is certainly

not antiseptic or germicidal, further than that cleanliness may be

considered an antiseptic procedure.

The phenol-glycerine (10% phenol and 90% glycerine) which we have

recommended, is somewhat germicidal, non-irritating, except to the

nasal mucosa, is a protectant to inflamed membranes in some instances

and is also somewhat hygroscopic. These virtues to the limited extent

that they may be of advantage, depend chiefly upon physical qualities.

Adrenalin in high dilutions (1 to 5000 to 1 to 10,000) is of value

in retracting the erectile tissues of the nares for purposes of

examination and for obtaining better drainage, etc. It also constricts

the small blood vessels and thus reduces the chances for hemorrhage or

absorption of narcotic drugs which may necessarily be used as local

anesthetics. The effects of adrenalin are very temporary and it is,

therefore, of little value in treatment.

Following irrigation I have used the petroleum oils (liquid petrolatum)

to advantage as a protection to the mucous membrane. One-half gram

each of menthol and camphor and two or three drops of cinnamon oil to

the pint of this oil, is readily dissolved and produces a pleasant,

soothing effect to inflamed membranes, but further than this, the added

substances have no particular value. The above named chemical agents

constitute, except in rare instances, my stock of “drugs” for treatment

purposes.

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