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Individual Drugs. ABIES (Tsuga canadensis). - Southwest School of ...

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The young “shoots” or turiones are a favorite pot-herb or “greens” in<br />

some sections <strong>of</strong> our country.<br />

ASCLEPIAS TUBEROSA.<br />

The root <strong>of</strong> Asclepias tuberosa, Linne (Nat. Ord. Asclepiadaceae). United States<br />

and Canada. Dose, 5 to 60 grains.<br />

Common Names: Pleurisy Root, Butterfly Weed, Orange Swallow-wort.<br />

Principal Constituents.—Resins and a glucoside.<br />

Preparation.—Specific Medicine Asclepias. Dose, 1 to 60 drops. (Usual form <strong>of</strong><br />

administration: Specific Medicine Asclepias, 20 drops to 2 fluidrachms; Water, 4<br />

ounce. Mix. Sig. One teaspoonful every 1 or 2 hours.)<br />

Specific Indications.— “Pulse strong, vibratile; skin moist; pain acute,<br />

and seemingly dependent on motion” (Scudder). Skin hot and dry, or<br />

inclined to moisture; urine scanty; face flushed; vascular excitement<br />

marked in the area supplied by the bronchial arteries; inflammation <strong>of</strong><br />

serous tissues; gastro-intestinal catarrhs due to recent colds.<br />

Action.—The physiological action <strong>of</strong> asclepias is not extensive, but<br />

important. Asclepias slows the action <strong>of</strong> the heart and lowers arterial<br />

tension. It especially relieves local hyperemia by vaso-motor control.<br />

Through some unexplained, though probably circulatory regulating<br />

action upon the sweat-glands it produces a true diaphoresis, including<br />

the elimination <strong>of</strong> both solids and liquids, the latter sparingly and<br />

almost insensibly. Its regulation <strong>of</strong> the true secretion <strong>of</strong> the skin more<br />

nearly resembles that <strong>of</strong> normal or insensible perspiration than that<br />

caused by any other diaphoretic, corallorhiza possibly excepted.<br />

Therapy.—Asclepias is one <strong>of</strong> the most important medicines for<br />

broncho-pulmonic inflammations and catarrhs, and an agent for reestablishing<br />

suppressed secretion <strong>of</strong> the skin. It is the most perfect<br />

diaphoretic we possess, so completely does it counterfeit the normal<br />

process <strong>of</strong> insensible perspiration. When the secretion <strong>of</strong> sweat is in<br />

abeyance it restores it; when colliquative it restrains it through its<br />

effect <strong>of</strong> promoting normal functioning <strong>of</strong> the sudoriparous glands. It<br />

may be indicated even though the patient be freely perspiring, for<br />

sometimes when the liquid excretion is abundant there is a retention<br />

Felter’s Materia Medica - (A) - Page 40

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