Interactie tussen kruiden, voedingsmiddelen , medicijnen

Onderwerpen met wetenschappelijke, medische of algemene gezondheidsgerelateerde informatie en discussie dat niet specifiek betrekking heeft op de ziekte van Lyme.
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vonneke
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Lid geworden op: Do 16 Jun 2005 20:57

Interactie tussen kruiden, voedingsmiddelen , medicijnen

Berichtdoor vonneke » Zo 29 Aug 2010 10:01

http://www.unifra.br/pos/aafarm/downloa ... ctions.pdf

Herb-drug interactions

Adriane Fugh-Berman

Concurrent use of herbs may mimic, magnify, or oppose the effect of drugs. Plausible cases of herb-drug
interactions include: bleeding when warfarin is combined with ginkgo (Ginkgo biloba), garlic (Allium sativum), dong quai (Angelica sinensis), or danshen (Salvia miltiorrhiza); mild serotonin syndrome in patients who mix St Johnís wort (Hypericum perforatum) with serotonin-reuptake inhibitors; decreased bioavailability of digoxin, theophylline,cyclosporin, and phenprocoumon when these drugs are combined with St Johnís wort; induction of mania in depressed patients who mix antidepressants and Panax ginseng; exacerbation of extrapyramidal effects with neuroleptic drugs and betel nut (Areca catechu); increased risk of hypertension when tricyclic antidepressants are combined with yohimbine (Pausinystalia yohimbe); potentiation of oral and topical corticosteroids by liquorice(Glycyrrhiza glabra); decreased blood concentrations of prednisolone when taken with the Chinese herbal product
xaio chai hu tang (sho-saiko-to); and decreased concentrations of phenytoin when combined with the Ayurvedicsyrup shankhapushpi.
Anthranoid-containing plants (including senna [Cassia senna] and cascara [Rhamnus
purshiana]) and soluble fibres (including guar gum and psyllium) can decrease the absorption of drugs. Many
reports of herb-drug interactions are sketchy and lack laboratory analysis of suspect preparations. Health-care practitioners should caution patients against mixing herbs and pharmaceutical drugs.

Je zelfbeeld bepaalt vaak de grenzen
van wat je als individu kunt bereiken.


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vonneke
Berichten: 7127
Lid geworden op: Do 16 Jun 2005 20:57

Re: Interactie tussen kruiden, voedingsmiddelen , medicijnen

Berichtdoor vonneke » Zo 29 Aug 2010 10:04

http://www.holisticonline.com/Herbal-Me ... d_reac.htm

Many people have the mistaken notion that, being natural, all herbs and foods are safe. This is not so. Very often, herbs and foods may interact with medications you normally take that result in serious side reactions. It is always a good practice to tell your doctor or health practitioners what you are taking so that they can advise you of possible complications, if there is any. You should also keep an eye for unusual symptoms. Very often, this may foretell the symptoms of a drug interaction.

Experts suggest that natural does not mean it is completely safe. Everything you put in your mouth has the potential to interact with something else. The medication that is taken by mouth travels through the digestive system in much the same way as food and herbs taken orally do. So, when a drug is mixed with food or another herb, each can alter the way the body metabolizes the other. Some drugs interfere with the body's ability to absorb nutrients. Similarly, some herbs and foods can lessen or increase the impact of a drug.




Voor een lange lijst van interacties bekijk bovenstaande link

Je zelfbeeld bepaalt vaak de grenzen
van wat je als individu kunt bereiken.


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vonneke
Berichten: 7127
Lid geworden op: Do 16 Jun 2005 20:57

Re: Interactie tussen kruiden, voedingsmiddelen , medicijnen

Berichtdoor vonneke » Zo 29 Aug 2010 10:16

Bij gebruik van tetracyclines (doxycycline en minocycline behoren ook tot die groep) kan Vitamine B2, Vitamine B6 en vitamine B12 tekort ontstaan:

http://books.google.nl/books?id=lyZ18AE ... ne&f=false



http://home.caregroup.org/clinical/altm ... in_B12.htm

Vitamine B12

mechanism: Tetracycline impairs vitamin B12 absorption. B12 status is further compromised by drug-induced folic acid deficiency, which in turn induces a deficiency of vitamin B12.
(Robinson C, Weigly E. 1984:46-54; Holt GA. 1998, 258.)

• research: One study involving rats found that intramuscular injections of vitamin B12 exerted a protective effect against fatty liver and elevated triglycerides due to tetracycline.
(Mikhail TH, et al. Z Ernahrungswiss 1980 Sep;19(3):173-178.)

• nutritional support: While depletion of vitamin B12 may not have clinical significance with short-term use of tetracycline, individuals using the drug for periods longer than two weeks may benefit from supplementation. Compensatory levels of B12 can be easily obtained by eating foods of animal origin, including dairy, eggs, fish, meat, and poultry. However, vegans using tetracycline for extended periods of time would likely benefit from supplementation in the range of 2-3 mcg per day. Although vitamin B12 is essentially non-toxic, anyone using tetracycline for an extended period should consult with their prescribing physician and/or a nutritionally trained healthcare professional before starting supplementation with vitamin B12.


mechanism: Intestinal bacteria are a major source of folate in the body. The use of tetracycline can eliminate these probiotic bacteria and hence contribute to a depletion of folate. This drug-induced folic acid deficiency can, in turn, induce a deficiency of vitamin B12.





Vitamine B2

mechanism: Research indicates that tetracycline can interfere with the activity of vitamin B2.
(Holt GA. 1998, 258.)

• nutritional support: While depletion of riboflavin may not have clinical significance with short-term use of tetracycline, individuals using the drug for periods longer than two weeks may benefit from supplementation with riboflavin. Although vitamin B2 is essentially non-toxic, anyone using tetracycline for an extended period should consult with their prescribing physician and/or a nutritionally trained healthcare professional before starting riboflavin supplementation. A moderate supplemental dose of riboflavin is usually in the range of 20-25 mg per day, easily obtained through most multivitamin formulas. These levels can also be obtained through a diet rich in leafy green vegetables and whole grains.





VitamineB6

• mechanism: Research indicates that tetracycline impairs vitamin B6 absorption.
(Holt GA. 1998, 258; Robinson C, Weigly E. 1984:46-54.)

• nutritional support: While depletion of vitamin B6 may not have clinical significance with short-term use of tetracycline, individuals using the drug for periods longer than two weeks may benefit from supplementation with pyridoxine. Anyone using tetracycline for an extended period should consult with their prescribing physician and/or a nutritionally trained healthcare professional before starting vitamin B6 supplementation. A moderate supplemental dose of pyridoxine is usually in the range of 20-25 mg per day, easily obtained through most multivitamin formulas. Sustained use of higher doses of B6 can result in side effects. Significant dietary sources of vitamin B6 include bananas, lentils, potatoes, raisin bran, turkey, and tuna.

Je zelfbeeld bepaalt vaak de grenzen
van wat je als individu kunt bereiken.


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