2007年11月7日星期三

Ginseng Extract (Asian, Chinese, Korean (Panax ginseng),

Ginseng Extract (Asian, Chinese, Korean (Panax ginseng), American ( P.quinquefolius)


General Description: A shrub 3-4 feet tall with spiny shoots and grey or brownish bark. Grows in Asia and is considered the strongest. American ginseng is milder and less stimulating. It grows form Canada to Georgia and takes 6 years to produce a marketable root.

Part Used: Root and leaves

Uses:
improves concentration
stamina
combat fatigue, thus improves energy
stress relief
improve LDL & HDL levels
raise and lower BP
hot flashes
night sweats
mood swings
headaches
palpitations
prevent platelet aggregation
improve immune system
stress incontinence

Action: Main components are ginsenosides or panaxosises. They produce CNS depression or CNS stimulation. There are complex chemical components in the root, and thus they produce opposing effects.

Dosage:
100-300 mg/day/divided
Dried roots: - 2-4 grams
Tincture (1:5) - 10-20 ml.

Precaution/Adverse Effects: Can produce diarrhea, sleep disturbance, headache, hypertension, skin rash, increase bleeding in postmenopausal women, and can cause a decreased diuretic effect.
Since ginseng is highly notable for being mislabeled, it is not known whether ginseng itself or its contaminants is the cause for adverse effects.

Drug Interactions: Warfarin
Insulin
Phenelzine (MAOIs)
Caffeine
Digitalis toxicity
Guarana
Hormone therapy

Contraindication: Do not use concurrently with caffeine, estrogen-dependent malignancies (Breast cancer), menses, acute illness, hypertension, schizophrenia and mania. Pregnancy, lactating, and children. (no studies)

Nursing Considerations:
Most important is that there are various forms of ginseng. Depending on the components of ginseng root, the effects will be different. Also, ginseng is frequently adulterated or mislabeled and varying constitutions of the product has been found.
Caffeine and ephedrine had sometimes been added, as well as Phenylbutazone or aminopyrine.
Warn patients that ginseng and warfarin may both increase or decrease coagulations. Monitor clotting times routinely.
Ginseng causes hypoglycemia and diabetics blood sugar levels must be monitored.
Over the 400 studies that have been done on ginseng, some provide unreliable results and have inadequate study design and control.
Approximately 6 million American use ginseng regularly.

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