It must be kept in mind that herbs are powerful, and in some instances there may be a drug and herb interaction which can cause unwanted side effects. For this reason it is necessary to keep your health practitioner and pharmacist informed of any supplements or other medication that you may be taking.
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Bearberry (also known as Uva Ursi) |
Reduce absorption of drugs |
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Bilberry |
Counteract short-acting blood thinners |
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Bromelain |
Anticoagulants |
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Tetracycline |
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Thrombocytic aggregation inhibitors |
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Buckthorn bark |
Antiarrythmic agents |
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Cardiac glycosides |
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Corticosteroids |
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Increase action of Licorice root |
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Thiazide diuretics |
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Cascara Sagrada bark |
Antiarrythmic agents |
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Cardiac glycosides |
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Corticosteroids |
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Increase action of Licorice root |
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Thiazide diuretics |
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Chaste Tree fruit |
Dopamine-receptor antagonists |
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Cola nut |
Caffeine-containing beverages |
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Psychoanaleptic drugs |
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Echinacea |
Counteract immunosuppressive drugs |
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Ephedra |
Cardiac glycosides |
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Guanethidine |
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Halothane |
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MAO inhibitors |
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Oxytocin |
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Secale alkaloid derivatives |
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Exacerbate other stimulants |
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Flaxseed |
May delay absorption of drug if taken at same time |
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Garlic | May increase action of blood thinning drugs |
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Ginkgo Biloba |
May increase action of blood thinning drugs |
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Ginseng |
Increase working of other stimulants |
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Goldenseal |
Counteract short-acting blood thinners |
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Green Tea |
Reduce absorption of drugs |
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Kava Kava root |
Alcohol |
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Barbiturates |
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Psychopharmacological agents |
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Licorice root |
Chronic use can cause potassium loss |
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Digitalis glycosides |
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Thiazide diuretics |
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Oak bark |
Alkaline drugs |
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Alkaloids |
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Psyllium husks |
May delay absorption of drug if taken at same time |
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Raspberry leaves |
Reduce absorption of drugs |
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Senna leaf |
Antiarrythmic agents |
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Cardiac glycosides |
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Corticosteroids |
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Increase action of Licorice root |
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Thiazide diuretics |
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Senna pod (fruit) |
Antiarrythmic agents |
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Cardiac glycosides |
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Corticosteroids |
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Increase action of Licorice root |
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Thiazide diuretics |
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St John's Wort |
Increase effects of antidepressants and narcotics |
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Uva Ursi leaf |
Urine-acidifying agents |
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Valerian |
Increase effect of sedatives |
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Witch hazel |
Reduce absorption of drugs |
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Yeast, Brewer's |
MAO inhibitors |
