2007年11月7日星期三

Nettle Extract (Urtical dioica L.)


Nettle Extract (Urtical dioica L.)


Silica 1% by UV
β- Sitosterol 0.8% by GC



General Description: A perennial that is native to Europe, but is naturalized throughout the United States and Canada.


Part Used: roots and Whole herb

Uses:
treatment of BPH
diuretic
wound healing
cancer
eczema
rheumatism
allergic rhinitis & cough


Action: It contains steroidal and phenolic substances.
Dosage: Adult daily dose of root for BPH is 4-6g
Tea- 4g herb in hot water 3-4x daily
Capsules of 150-300 mg for allergic rhinitis
Tincture - 1/4 to 1 teaspoon up to twice a day


Precautions/Adverse Effects: Can cause topical irritation following direct contact with exposed skin. Rare gastrointestinal disturbances, oliguria and edema.
Contraindications: Cardiac and renal disease. Pregnancy/Lactating women. Also use cautiously in older adults over the age of 65.


Nursing Considerations:
Tell patients with diabetes do not use nettle, it causes poor glycemic control.
It does not produce enough diuresis to reduce the edema associated with heart failure or to reduce blood pressure.
Eat foods high in potassium, such as bananas, and fresh vegetables.
If nettle is rubbed against the skin, can cause burning for up to 12 hours, wash with soap and water


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