Hawthorn (Herbs/Suppl)

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Brand and Other Names:aubepine, Chinese hawthorn, more...crataegus laevigata, English hawthorn, hagthorn, hedgethorn, ladies' meat, maybush, mayflower, maythorn, oneseed hawthorn, shanzha, whitehorn

Suggested Dosing

Brewed tea

TID after meals; 1 tsp of leaves and flowers/ 8 oz boiling water

Fruit

Dried powder: 300-1000 mg PO TID

Liquid extract: 0.5-1 ml PO TID

Tincture: 1-2 ml PO TID

Solid extract: 1/4-1/2 tsp PO qD

Syrup: 1 tsp PO BID-TID

Leaf/flower

Extract: 160-900 mg/d PO div BID-TID

Powder: 200-500 mg PO TID

Tincture: 20 gtts PO BID-TID

Other Information

Extract standardized to 1.8% vitexin-4-rhamnoside or 20% procyanidins

Up to 2 weeks of treatment necessary to produce observable effects

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Suggested Uses

Arrhythmias, atherosclerosis, Buerger's disease, circulatory disorders, CHF, hyperlipidemia, hypertension, hypotension, indigestion, tapeworm infections

Efficacy

Contradictory evidence about the effects of hawthorn extract in heart failure patients.

Increase coronary circulation confirmed by double-blind studies; comparable to captopril

Decrease serum lipids in animal studies

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Interactions

Interaction Checker

and Hawthorn

No Results

     activity indicator 
    No Interactions Found
    Interactions Found

    Contraindicated

      Serious - Use Alternative

        Significant - Monitor Closely

          Minor

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            Adverse Effects

            Frequency Not Defined

            Agitation

            Circulatory disturbances

            Dizziness

            Fatigue

            GI disturbances

            Headache

            Sleep disturbances

            Nausea

            Palpitations

            Sweating

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            Warnings

            Contraindications

            None reported

            Cautions

            Concurrent cardiovascular meds, vasodilatory agents, or CNS depressants

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            Pregnancy & Lactation

            Pregnancy Category: unsafe

            Lactation: avoid use

            Pregnancy Categories

            A:Generally acceptable. Controlled studies in pregnant women show no evidence of fetal risk.

            B:May be acceptable. Either animal studies show no risk but human studies not available or animal studies showed minor risks and human studies done and showed no risk.

            C:Use with caution if benefits outweigh risks. Animal studies show risk and human studies not available or neither animal nor human studies done.

            D:Use in LIFE-THREATENING emergencies when no safer drug available. Positive evidence of human fetal risk.

            X:Do not use in pregnancy. Risks involved outweigh potential benefits. Safer alternatives exist.

            NA:Information not available.

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            Pharmacology

            Metabolism: N/A

            Excretion: N/A

            Mechanism of Action

            Proanthocyanidins: ACE inhibitor; vasodilator

            Dehydrocatechins: CNS depressant

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