Chaste Tree - Benefits and Uses of Chaste Tree
It contains the two iridoid glycosides, agnuside and aucubin, as well
as flavonoids, essential oils, and progestins. The berries exert a
progesterogenic effect on women and an antiandrogenic effect on men.
Progestin components include progesterone,
testosterone, and androstenedione. Chaste tree is believed to act
directly on the hypothalamic-pituitary axis. The herb is also contained
in various multivitamin supplements for women and in combination products used to alleviate menopausal symptoms.
By increasing the release of luteinizing hormone, which in turn
increases progesterone production in the ovaries, chaste tree helps to
regulate the menstrual cycle.
Side Effects of ChasteAdverseA component in chaste tree has been shown
to bind to dopamine receptors, thereby inhibiting the release of
prolactin. This is particularly useful in treating premenstrual breast
pain associated with excess secretion of prolactin. It may also act as
a diuretic to reduce water retention before menstruation. Chaste tree
is available as capsules, elixir, liquid extract, tablets, tea, and
tinctures, in products such as Vitex, Vitex Alfalfa Supreme, Vitex
Extract, Vitex 40 Plus, and Vitex Vegicaps.
Benefits And Uses of Chaste Tree: Chaste tree fruit is used to treat menstrual irregularities such as
amenorrhea or excessive menstrual bleeding, premenstrual complaints,
menopausal symptoms, and fibroids. It's also used to increase breast
milk production and treat fibrocystic breast disease, infertility in
women, and acne. Chaste tree has also been used to control libido,
decrease appetite, reduce flatulence, and enhance
sleep.
Administration Capsules: 150 to 325 mg/capsule (standardized to
contain 0.5% agnuside) taken by mouth one or two times a day
.Tinctures, liquid extracts: German Commission E recommends
aqueousalcoholic extracts (50% to 70% alcohol) with 30 to 40 mg of the
active herb.
Side Effects of ChasteAdverse effects associated with the
use of chaste tree include headaches, GI upset, Increased menstrual
flow, itching, and urticaria. Chaste tree may have an antagonisticeffect
when used with antihypertensives; Using chaste tree in conjunction with
beta blockers may cause hypertensive crisis . Chaste tree has a
dopaminergic effect, and therefore may interact with dopaminergic
anti-dopaminergic medications.
Chaste tree may alter female hormones; for this reason, it shouldn't be
used in conjunction with hormone replacement therapy.
Men, pregnant
patients, breastfeeding patients, adolescents, those with
hypersensitivity to chaste tree or its components, those with active
urticaria, those receiving hormone replacement therapy, and those
taking oral contraceptives should avoid use.Clinical
considerationsCaution male patient against using this herb because of
the antiandrogenic effects.Oral use of chaste tree can cause rash,
urticaria, and pruritus. If these symptoms occur, patient should
discontinue use.
If patient is using chaste tree orally, monitor her for
signs or symptoms of hypersensitivity, including shortness of breath
and swelling of the tongue.Chaste tree can be used for 4 to 6 months to
treat premenstrual syndrome or to regulate the menstrual cycle. Women
with amenorrhea or infertility can use chaste tree for 12 to 18 months.
. If patient is pregnant or breast-feeding, advise her not to use
chaste tree.If patient is taking an antihypertensive, especially a beta
blocker, advise her not to use chaste tree because of the potential for
hypertensive crisis.Remind patient that the herb is not fast acting
,
therefore benefit may not be seen right away.
Advise patient to keep
chaste tree away from children and pets.Tell patient to remind
prescriber and pharmacist of any herbal or dietary supplement that she's taking when obtaining a new prescription.Advise patient to consult with her health care provider before using an herbal
preparation because a treatment with proven efficacy may be
available.Research summaryThe concepts behind the use of chaste tree
and the claims made regarding its effects have not yet been validated
scientifically.
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