Covera-HS
side effects, nutrient depletions, herbal interactions and health notes:
Data provided by Applied Health
• Avoid alcohol1
• Excess calcium and vitamin D may interfere with the action of Covera-HS. Discuss proper levels with your physician or pharmacist.2
• Grapefruit and grapefruit juice may interact with Covera-HS if used long term. A single dose of grapefruit juice does not seem to affect the drug.3
• Avoid caffeine containing products with covera.4
• Avoid natural licorice, ginseng and ephedra with covera.5
• The following herbs may have diuretic properties, which may increase the effects of Covera and may possibly lead to an excessive lowering of blood pressure: Alfalfa, Angelica, Astragalus, Basil, Bean Pod, Buckthorn, Burdock, Butcher’s Broom, Buchu, Celery, Cleavers, Cornflower, Dandelion, Elecampane, Elder, Goat's Rue, Hempnettle, Horsetail, Indian-Hemp, Juniper, Marigold, Meadowsweet, Parsley, Rauwolfia, Sarsaparilla, Sweet clover, Turmeric, and Vervain.6
• St. John’s Wort may interact with some calcium channel blockers due to the use of similar pathways (eg. cytochrome P450) to metabolize the drugs and herb.7
• These herbs have cardiac properties which may increase cardiac side effects of covera: black hellebore, calamus, cereus, cola, coltsfoot, devil's claw, European mistletoe, fenugreek, fumitory, digitalis leaf, hedge mustard, figwort, lily of the valley roots, motherwort, pleurisy root, squill bulb leaf scales, white horehound, mate, scotch broom flower, shepherd's purse, and wild carrot8
• Avoid cola, guarana and mate with covera, due to their caffeine content.9
References1 Facts and Comparisons, Clinisphere 2.0, Wolters Kluwer Company, 2000
1 Pronsky, Z Food Medication Interactions, 11th edition, 1999
2 Reference not available.
3 Holt G, Food and Drug Interactions: Revised and Expanded Edition, Precept Press, 1998
3 Pronsky, Z Food Medication Interactions, 11th edition, 1999
3 Fuhr U, Drug interactions with grapefruit juice. Extent, probable mechanism and clinical relevance. Drug Saf 1998 Apr; 18(4): 251-72.
3 Zaidenstien R, Dishi V, Gips M, Soback S, Cohen N, et al, The effect of grapefruit juice on the pharmacokinetics of orally administered verapamil. Eur J Clin Pharmacol 1998 Jun; 54(4): 337-40
4 Pronsky, Z Food Medication Interactions, 11th edition, 1999
5 Brinker, F Herb Contraindications and Drug Interactions, Eclectic Medical Publications, 1998
5 Pronsky, Z Food Medication Interactions, 11th edition, 1999
6 Brinker, F Herb Contraindications and Drug Interactions, Eclectic Medical Publications, 1998
6 PDR for Herbal Medicines, 2nd edition, Medical Economics Company, 2000
6 The Review of Natural Products, Clinisphere 2.0, Wolters Kluwer Company, 2000
6 Newall CA, Anderson LA, Phillipson JD. Herbal Medicines: A Guide for Health-care Professionals. London: The Pharmaceutical Press, 1996.
7 Yue QY, Bergquist C, GerdÈn B. Safety of St John's wort (Hypericum perforatum). Lancet 2000;355(9203).
8 PDR for Herbal Medicines, 2nd edition, Medical Economics Company, 2000
8 Blumenthal, et al. The Complete German Commission E Monographs, American Botanical Council, Integrative Medicine, 1998
8 Newall CA, Anderson LA, Phillipson JD. Herbal Medicines: A Guide for Health-care Professionals. London: The Pharmaceutical Press, 1996.
9 Brinker, F Herb Contraindications and Drug Interactions, Eclectic Medical Publications, 1998
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Disclaimers
The information in Drug Watch is provided as a courtesy to NewsTarget readers by Applied Health Solutions in cooperation with Healthway Solutions. Although the information is presented with scientific references, we do not wish to imply that this represents a comprehensive list of considerations about any specific drug, herb or nutrient. Nor should this information be considered a substitute for the advice of your doctor, pharmacist, or other healthcare practitioner. Please read the disclaimer about the intentions and limitations of the information provided on these pages. It is important to tell your doctor and pharmacist about all other drugs and nutritional supplements that you are taking if they are recommending a new medication. Copyright © 2007 by Applied Health Solutions, Inc. All rights reserved.
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