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File:Gardenology.org-IMG 2751 rbgs11jan.jpg
COMMON NAME:  Pennyroyal
LATIN NAME:  Mentha pulegium
AKA:  Squaw Mint, Mosquito Plant, Pudding Grass
 
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Mentha Pulegium, photo by Gardenology.org, Wikipedia  

The next herb on the western herbal study guide is Pennyroyal, *Mentha pulegium.*
Part used: herb
Taste: sour, cool, dry, astringent and bitter
Tissue State: constriction (*Matt Wood*)
Actions: (*Pete Holmes*)
1. Uterine Qi stagnation-strongest herb to promote menstruation and used in the expulsion of the placenta and promoting tissue repair.-it causes uterine relaxation and relieves pain.  It can help labour when interrupted by tension, apprehension or just sheer exhaustion.
2. Have a relaxant effect in Qi constraint-used to treat lung Qi constraint with wheezing
3. Downward moving and heat clearing effect on  Liver Fire rising; can treat heatstroke, heat cramps and cerebral congestion. (the herb is used as a tincture or infusion.) 4. Topically clears infection, resolves contusion, promotes tissue repair a, antidotes poison and repels insects.- used for wounds- * CAREFUL* -never use anything more than a 1 % dilution. for external use with the essential oil.  (and I would think never use on a cat and safer essential oils available for use as insect repellents on dogs.) The volatile oil from both the American and European pennyroyal, pulegooides, if thought to become bioactivated to a hepatotoxic metabolite called menthofuran.
Specific Indication: toothache, earache, cold with catarrh, bronchitis, cervical ulceration, delayed menstruation, uterine fibroids, influenza.
 
MOORE
*Michael Moore* wrote  the tea from the dried herb is a "safe and sure menstrual stimulant. particularly when the period has been delayed several days..when there is a short and inadequate progesterone phase.  The tea or tincture helps the uterine lining "liquefy and flow". The *oil *was formerly used as an abortifacient, and *proved dangerous*enough to have established a record of mortality among women. Pennyroyal should NEVER be used as an abortifacient nor should it be taken during pregnancy.  But Michael Moore felt that the tea is safe to be used for delayed menses.
 
MILLS AND BONE
Safety summary-Hish risk of damage to a fetus; contraindicated in breast-feeding; DO NOT take during pregnancy or lactation.  Do Not take the oil internally.
 
CULPEPER
*Culpeper* notes that "The herb is under Venus.  Discorides saith, that Pennyroyal makes thin tough phlegm, warms the coldness of any part whereto it is applied, and digests raw or corrupt matter; Being boiled and drained, it provokes women's courses, and expels the dead child and after-birth, and stays the disposition to vomit being taken in water and vinegar mingled together.  And being mingled with honey and salt, it voids phlegm out of the lungs, and purges melancholy by the stool.  Drank with wine, it helps such as are bitten and stung with venomous beasts, an applied to the nostrils with vinegar, revives those that are fainting and swooning.  Being dried and burnt, it strengthens the gums.  It is helpful to those that are troubled with the gout, being applied of itself in a plaster, it takes away spots or marks in the face; applied with salt, it profits those that are splenetic, or livergrown.  The decoction doth help the itch, if washed therewith.  The green herb bruised and put into vinegar, cleanses foul ulcers, and takes way the marks of bruises and blows about the eyes, and all discolourings of the face. by fire, yea, and the leprosy, being drank and outwardly applied.  It helps the tooth-ache.  It helps the cold griefs by the joints taking away the pains, and warms the cold part...Pliny adds, the Pennyroyal and mint together, help faintings, being put into vinegar..It eases head aches, pains of the breast and belly, and gnawings of the stomach; applied with honey, salt and vinegar, it helps cramps or convulsions of the sinews.  It is effectual for the cough, and for ulcers and sores in the mouth; drank in wine it provokes women's courses, and expels the dead child and after-birth."
 
FELTER
*Felter* talks about American Pennyroyal; Hedeoma pulegiodes (Squawmint, Tickweed.)
Specific Indications: amenorrhea of long standing, with pallor and anemia and dark circles around the eyes; the patient complains of languor, lassitude, takes cold easily, has pain in back and limbs, and exhibits full prominent veins; suppressed lochia.
Action: *Oil of Pennyroyal produces toxic effects *when give in overdoses; signs severe headache, difficult swallowing, intense nausea,severe retching, intolerable bearing down, nervous weakness.
Therapy: External.  
Oil of Pennyroyal is rubefacient and relieves itching of insect bites.  A cloth saturated with oil of pennyroyal may be hung in sleeping apartments to repel such insects. Internal- (In recent literature do not take the oil internally, only tea or tincture) Oil of Pennyroyal is useful in nausea, stomach cramps, flatulent colic, and anemorrhea in debilitated subjects.  The dilution in alcohol are credited with calmative properties in spasmodic cough, whooping cough and in hysteria from menstrual debility.  A drachma of the specific medicine given in hot water is the most certain agent we possess to restore suppressed lochia.  The infusion is a poplar and pleasant remedy for acute colds.  It acts chiefly as a diaphoretic.
 
ROSS
Jeremy Ross uses quite a bit of pennyroyal but feels ONLY use as infusion or tincture and that the internal and external use of the oil of M.pulegium is contraindicated. The herb likes to grow in damp habitats. He considers the herb to be warm not cool Treat Ki, Ht, Liver and Uterus.

Chinese actions:
1. Calms Kidney fears-tranquilizer for fearfulness and desperation calms Heart Spirit for anxiety and palpitations Calm Liver yang for nervous headaches
2. Regulate Intestines Qi has a carminative, spasmolytic and tranquilizer effect to treat gas and colic with fearful nervous tension
3. regulate Uterus Qi as an emmenagogue, spasmolytic , and tranquilizer to teat delayed menstruation due to chill or scanty menstruation due to fear or shock.
 
 
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