chondroitin (generic name)

a nutraceutical product - treats Coronary artery disease, Interstitial cystitis, Osteoarthritis, Psoriasis, Bladder control, Iron absorption en...
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Interactions

Interactions with Drugs

In theory, chondroitin may increase the risk of bleeding when taken with drugs that increase the risk of bleeding. Some examples include aspirin, anticoagulants ("blood thinners") such as warfarin (Coumadin®) or heparin, anti-platelet drugs such as clopidogrel (Plavix®), and non-steroidal anti-inflammatory drugs such as ibuprofen (Motrin®, Advil®) or naproxen (Naprosyn®, Aleve®).

Use cautiously with hyaluronidase or agents with hydrophilic (attraction to water) properties. Consult with a qualified healthcare professional, including a pharmacist, to check for interactions.

Also use cautiously when combining chondroitin with other agents that may cause sun sensitivity, as chondroitin may increase sun sensitivity.

Interactions with Herbs and Dietary Supplements

In theory, chondroitin may increase the risk of bleeding when taken with herbs and supplements that are believed to increase the risk of bleeding. Multiple cases of bleeding have been reported with the use of Ginkgo biloba, and fewer cases with garlic and saw palmetto. Numerous other agents may theoretically increase the risk of bleeding, although this has not been proven in most cases.

Based on preliminary data, chondroitin may increase iron absorption. It may also interact with or alter concentrations of calcium, camphor, glucosamine, manganese, peppermint oil, and shark cartilage.

Use cautiously with herbs or supplements with hydrophilic (attraction to water) properties. Consult with a qualified healthcare professional, including a pharmacist, to check for interactions. Also use cautiously when combining chondroitin with other agents that may cause sun sensitivity, as chondroitin may increase sun sensitivity.

Attribution

This information is based on a professional level monograph edited and peer-reviewed by contributors to the Natural Standard Research Collaboration (www.naturalstandard.com): Ethan Basch, MD, MPhil (Memorial Sloan-Kettering Cancer Center); Heather Boon B.Sc.Phm, PhD (University of Toronto); Julie Conquer, PhD (RGB Consulting); Dawn Costa, BA, BS (Natural Standard Research Collaboration); Renn Crichlow, MD (Massachusetts General Hospital); Nicole Giese, MS (Natural Standard Research Collaboration); Brad Jacobs MD, MPH (University of California-San Francisco); Mitchell Knutson, MPH (Harvard School of Public Health), Tamara Milkin, PharmD (Northeastern University); Gavin J. Putzer, MD, MPH (Harvard School of Public Health), Mitchell Knutson, MPH (Harvard School of Public Health); Gavin J. Putzer, MD, MPH (Harvard School of Public Health); Erica Seamon, PharmD (Natural Standard Research Collaboration); Eric Seeley MD (University of California-San Francisco); Shaina Tanguay-Colucci, BS (Natural Standard Research Collaboration); Catherine Ulbricht, PharmD, MBA[c] (Massachusetts General Hospital); Minney Varghese, BS (Northeastern University); Wendy Weissner, BA (Natural Standard Research Collaboration).

Bibliography

DISCLAIMER: Natural Standard developed the above evidence-based information based on a thorough systematic review of the available scientific articles. For comprehensive information about alternative and complementary therapies on the professional level, go to www.naturalstandard.com. Selected references are listed below.

Bjordal JM, Klovning A, Ljunggren AE, et al. Short-term efficacy of pharmacotherapeutic interventions in osteoarthritic knee pain: A meta-analysis of randomised placebo-controlled trials. Eur J Pain 2007;11(2):125-138.

Bourgeois P, Chales G, Dehais J, et al. Efficacy and tolerability of chondroitin sulfate 1200 mg/day vs chondroitin sulfate 3 x 400 mg/day vs placebo. Osteoarthritis Cartilage 1998;6 Suppl A:25-30.

Braun WA, Flynn MG, Armstrong WJ, et al. The effects of chondroitin sulfate supplementation on indices of muscle damage induced by eccentric arm exercise. J Sports Med Phys Fitness 2005;45(4):553-560.

Clegg DO, Reda DJ, Harris CL, et al. Glucosamine, chondroitin sulfate, and the two in combination for painful knee osteoarthritis. N Engl J Med 2-23-2006;354(8):795-808.

Cohen M, Wolfe R, Mai T, et al. A randomized, double blind, placebo controlled trial of a topical cream containing glucosamine sulfate, chondroitin sulfate, and camphor for osteoarthritis of the knee. J Rheumatol 2003;30(3):523-528.

Felson DT. Glucosamine and chondroitin sulfate in knee osteoarthritis: where now? Nat Clin Pract Rheumatol 2006;2(7):356-357.

Leffler CT, Philippi AF, Leffler SG, et al. Glucosamine, chondroitin, and manganese ascorbate for degenerative joint disease of the knee or low back: a randomized, double-blind, placebo-controlled pilot study. Mil Med 1999;164(2):85-91.

Mazieres B, Hucher M, Zaim M, et al. Effect of chondroitin sulphate in symptomatic knee osteoarthritis: a multicentre, randomised, double-blind, placebo-controlled study. Ann Rheum Dis 2007;66(5):639-645.

McAlindon TE, LaValley MP, Gulin JP, et al. Glucosamine and chondroitin for treatment of osteoarthritis: a systematic quality assessment and meta-analysis. JAMA 2000;283(11):1469-1475.

Michel BA, Stucki G, Frey D, et al. Chondroitins 4 and 6 sulfate in osteoarthritis of the knee: a randomized, controlled trial. Arthritis Rheum 2005 Mar;52(3):779-86.

Richy F, Bruyere O, Ethgen O, et al. Structural and symptomatic efficacy of glucosamine and chondroitin in knee osteoarthritis: a comprehensive meta-analysis. Arch Intern Med 2003;163(13):1514-1522.

Rozenfeld V, Crain JL, Callahan AK. Possible augmentation of warfarin effect by glucosamine-chondroitin. Am J Health Syst Pharm 2004;61(3):306-307.

Tallia AF, Cardone DA. Asthma exacerbation associated with glucosamine-chondroitin supplement. J Am Board Fam Pract 2002;15(6):481-484.

Towheed TE, Anastassiades TP. Glucosamine and chondroitin for treating symptoms of osteoarthritis: evidence is widely touted but incomplete. JAMA 2000;283(11):1483-1484.

Uebelhart D, Malaise M, Marcolongo R, et al. Intermittent treatment of knee osteoarthritis with oral chondroitin sulfate: a one-year, randomized, double-blind, multicenter study versus placebo. Osteoarthritis Cartilage 2004;12(4):269-276.

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

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