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Veterinary Botanical Medicine Association
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VBMA Herbal Wiki
COMMON NAME:  Cinchona Bark
LATIN NAME:  Cinchona calisaya
AKA:  Jesuit's Bark, Peruvian Bark
 
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Cinchona calisaya, Forest & Kim Starr, Wikipedia  

*Cinchona calisaya*; Cinchona bark; Jesuit's bark; Peruvian bark- is an evergreen tree with bark that turns reddish when cut.  It is native to tropical South America.  .  It is a magnificent tree, two to three feet in diameter, sixty to one hundred and twenty feet high, naked and erect, elevated above all the other trees of the forest with a large leafy head.  *Cinchona condaminea*; called Pale Bark or Crown Bark is a small and branched tree., a foot in diameter and fifteen to twenty feet high.  Several varieties yield a product of the same general character.  The more red the bark, the stronger it will be.  Cinchona was introduced to Europe from Peru by the Jesuits to treat malaria in the 1630's.

Temperature: cool
Taste: bitter
Organ: Ht, Sp and Liver

Action: (*Jeremy Ross*)
1. Clear retained Pathogen, clear Heat, clear Deficiency Heat: antipyretic, antimicrobial, antimalarial
2. tonify spleen an Stomach Qi, tonify Qi and Blood- a bitter digestive tonic, general tonic; helps to treat digestive weakness,
3. tonify and stabilize Heart Qi- cardiac tonic; antiarrhythmic; treats cardiac weakness with exhaustion and or arrhythmia, chronic fatigue patients with cardiac weakness, to assist recovery when Heart Qi and Yin may have been destabilized by fever.

Cautions: Not much adverse reaction reported but Jeremy Ross advises not during pregnancy or lactation; may have potential for interactions with antiarrhythmic drugs, cardiooactive glycosides, beta-blockers, antihistamines, anticoagulants.  Some texts say to avoid if gastric ulcers are present.
 
FELTER
Specific Indications-Periodicity and, like quinine, effective when the pulse is soft and open, the tongue moist and cleaning, the skin soft and moist, and the nervous system free from irritation Empyema; gastric debility; anemia and debility from chronic suppuration, afternoon febrile conditions weakness with pale surface, loss of appetite, feeble digestion and deficient recuperative powers. Action and Therapy-External-antiseptic and astringent.  A poultice of the bark has been successfully used upon fetid and gangrenous ulcers, and has been thought necessary upon suppurating and sloughing felons. Internal: cinchona is tonic, anti-periodic  slightly astringent, and mildly antiseptic.  In small doses it is a good stomachic but must not be long continued.  Large doses irritate and cause and unpleasant excitement of the stomach and bowels. Cinchona is useful in functional derangement of the stomach, improving digestion  and imparting vigor and tone to the nervous and muscular systems in disease of general debility and in convalescence form exhausting illness.  Cinchona may be used in preference to its alkaloids when a tonic effect only is required and periodicity is lacking.
 
COOK
The bark is a slow and very permanent stimulant of the astringing order to the nervous structures.  Beginning its action upon the stomach, it slowly and steadily extends its impressions through, the sympathetic nerves; second, the sensory nerves of the frame at large; third the spinal cord and brain.  It will scarcely reach this third circle of influence , unless given in a considerable quantity, or continued for some time. Accompanying this stimulating action is its distinct astringent influence. (best seen in the redder barks)This astringency is also manifested upon the nerve structures, causing a protracted state of tension in them. It is valuable in conditions of atony and laxity of the tissues; and where there are excesses of secretion consequent upon such atony.  It is utterly inappropriate when the structures are tense, and a deficiency of secretion It is not a district tonic.  The chief use of this article is as an antiperiodic.  Its principal reputation is in averting the "chill" of ague and other intermittent difficulties.  As the chill is dependent upon recession of blood from the surface to the portal organs, and in itself constitutes nature's first step in the effort to restore the circulation to a balance, successful medication must fulfil three indications: first, remove the hepatic obstruction and accumulations which are the prime disturbers of the circulation; second, sustain the firmness of the nervous tissue, so as to avert that relaxation of these structures which really forms the chill; third, secure a full outward circulation, sot that the heart and arteries shall be sustained simultaneously with the nerves. Cinchonas fill only the second of these requirements.  On its own it cannot permanently cure an intermittent.
 
FYFE
*Fyfe *adds in by saying the Cinchona constitutes an efficient medicament in malarial and miasmatic diseases, when the tongue is moist and clean, or cleaning.  Cinchona is a valuable remedy in all debilitated states of the stomach and digestive tract, which are characterised by periodicity,  and in general debility and want of appetite it acts well as a tonic.  It is contraindicated in acute inflammatory diseases,plethora, active hemorrhages, and all vascular nervous irritations.  When indicated, it is a good tonic, and in many gastric derangements it is a remedy of merit.  It is used topically as a gentle stimulant and antiseptic.
 
CHRISTOPHER
*Christopher* adds use as a heart tonic, nervine tonic for nervous disorders, neuralgia, epilepsy, urinary incontinence, enuresis, edema, amenorrhea.
 
BHP
*BHP* adds in a potential use for splenomegaly and myalgia.
 
 
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