Drug Interactions Articles Archive

• FDA Warns Against Mexican Vanilla NOV 2008
  A substance banned 54 years ago has returned and increases the bleeding risk for patients taking warfarin
• AcipHex and Warfarin AUG 2008
  Millions of people suffer from heartburn and reflux. Weekly patient self testing for those taking warfarin maybe alerted sooner of possible interactions with AcipHex than those patients testing less often.
• Ortho Patch Study Data Re-confirms Risk of Clots JAN 2008
  Two label changes in two years confirms the risk of venous thromboembolism in patients using the patch.
  
• Chantix & Warfarin JAN 2008
  "Stop Smoking" remains one of the most common new year's resolutions. some smoke-stop products may interact with warfarin.
• Nasonex & Warfarin JAN 2008
  With the flu season in full swing, Nasonex offers symptomatic relief with apparent safety for warfarin patients
• Inner Cleanse & Warfarin DEC 2007
  Intestinal cleansing products may interact with warfarin
• Cipro Prolonged Release DEC 2007
  A small, limited, single dosed study shows some promise for safe use of prolonged-release Cipro with frequent monitoring
• Garlic & Warfarin DEC 2007
  Marketing in dietary supplement form and widely used as a healthy seasoning, garlic is on the list of products that interact with warfarin.
• Complementary & Alternative Medicines (Part 2) NOV 2007
  CAM's make it difficult to stabilize INRs for patients who take them.
• Complementary & Alternative Medicines (Part 1) OCT 2007
  Non-regulated alternative medicines are posing challenges to anticoagulation clinics and placing patients at risk
• Robitussin & Warfarin OCT 2007
  Cold and flu season has arrived. Cough and cold medicines may represent a short term interaction with warfarin
• Clove Oil & Warfarin OCT 2007
  Clove oil has been shown to have antiplatelet activity that may prolong bleeding time in patients taking warfarin.
• Mirapex & Warfarin SEP 2007
  Those suffering from restless leg syndrome will not lose sleep over the concern of warfarin drug interactions with Mirapex
• Garlic & Warfarin SEP 2007
  Garlic is marketed for a variety of health conditions. Drug interactions with warfarin are likely.
• Secretagogue Gold & Warfarin SEP 2007
  Patients wanting to look younger are taking supplements that place themselves at risk for interactions
• Corn Silk & Warfarin AUG 2007
  Corn silk’s vitamin K content makes this product a precautionary natural product for patients taking warfarin.
• Requip & Warfarin AUG 2007
  Patients with restless leg syndrome can rest more easily knowing there is little risk of drug interactions between Requip and warfarin.
• Alli & Warfarin AUG 2007
  Bloating, gas and diarrhea is not all you can look forward to with Alli for weight loss, a drug interaction with warfarin is likely as well.
• Zyflo CR & Warfarin AUG 2007
  Prescription Zyflo interacts with warfarin placing patients at increased risk for bleeding.
• Goji & Warfarin JULY 2007
  Look younger and ward off cancer are claims made for goji products, add to it additional Coumadin INR testing as interactions are likely
• Aciphex & Warfarin JULY 2007
  Used to prevent heartburn Aciphex may cause heartburn for patients taking warfarin based on drug interaction risk
• Rozerem & Warfarin JULY 2007
  Dependence, falls and interactions are common concerns with sleep aid products – what unique concerns should warfarin patients have?
• Chromium & Warfarin JUNE 2007
  Dietary supplements now include chromium, interactions with warfarin unclear.
• Estroven & Warfarin JUNE 2007
  Women are shying away from hormone replacement prescriptions and turning toward dietary supplements for symptomatic relief.
• Chantix & Warfarin JUNE 2007
  Smokers have a new choice in nicotine-addiction – drug interactions are expected
• Coffee & Warfarin MAY 2007
  Does the world’s most popular morning beverage alter INR test results in patients taking warfarin?
• Coreg & Warfarin MAY 2007
  Prescription drug Coreg is causing questions regarding the safe use of Coreg and warfarin together
• A stabilizing effect found in Vitamin K MAY 2007
  A U.S. study found unstable warfarin patients benefited from increased doses of vitamin K1
• Coldcalm & Warfarin MAY 2007
  Does Coldcalm's homeopathic approach offer symptomatic relief at the risk of warfarin drug interactions?
• MK-7: The Other Vitamin K MAY 2007
  Just when you thought you had a handle on vitamin K, a new dietary supplement offers a new, super-vitamin K. Major affects on warfarin INR test results will be seen.
• Zetia & Warfarin MAY 2007
  Cleared in pre-marketing studies, prescription drug Zetia® can influence warfarin INR results in real-world use
• Iron & Warfarin APRIL 2007
  Iron is essential to good health. See why a consistent intake is important for patients on warfarin
• Astragalus & Warfarin APRIL 2007
  Boosting patients’ immune system with astragalus may also be increasing their INR test results
• Cold-eeze & Warfarin APRIL 2007
  Cold-eeze may shorten the course of a cold, does it also lower INR test results in patients who use it?
• Hormone Replacement & Natural Medicines MAR 2007
  As more look to natural medicines in place of prescription medicines they do so at the risk of drug interactions
• Primrose & Warfarin MAR 2007
  Primrose remains a question mark for many patients on warfarin. Is it contraindicated for warfarin patients?
• Parsley & Warfarin MAR 2007
  Introducing a tricky garnish.
• Dark Chocolate & Warfarin MAR 2007
  Chocolate has become a lifestyle for many. The benefits of dark chocolate just might improve its position in the food pyramid.
• Special K & Warfarin MAR 2007
  Special K might suggest there is vitamin K in this popular breakfast cereal…
• FluMist & Warfarin MAR 2007
  Questions raised about the safe use of FluMist and warfarin were asked of the manufacturer of the product.
• Oatmeal & Warfarin FEB 2007
  Oatmeal has become a lifestyle choice for many. Is there an oatmeal/warfarin interaction?
• Soy & Warfarin FEB 2007
  Soy is becoming an increasingly popular choice for many patients on warfarin. Does it interact with warfarin?
• Oral Corticosteroids & Warfarin FEB 2007
  90% of study patients experienced an increase in INR test results
• Vitamin D & Warfarin FEB 2007
  Inquires into PTINR.com whether vitamin D influences an INR test results prompted this article.
• Cinnamon & Warfarin JAN 2007
  Put your fears to rest – enjoy those holiday cinnamon treats.
• Tamiflu & Warfarin JAN 2007
  Flu season’s here – see how flu shots can influence INR test results
• Vitamin K : The ideal titration tool JAN 2007
  Vitamin K has historically been seen as a problem for patients on warfarin. New data shows it may be an asset.
• Celery & Warfarin DEC 2006
  Think vitamin K is the only surprise celery has to offer? Try looking a little further into this unique food.
  
• Vitamin K - A new perspective DEC 2006
  New insight and a study shows the relationship of vitamin K and reduction in INR values.
• Lunesta® and warfarin…rest easy NOV 2006
  Impossible to miss – the insomniac Lunesta moth promises restful nights for many. Is there an interaction with warfarin?
• Flaxseed Oil & Warfarin NOV 2006
  Flaxseed and its derivatives interact with warfarin. See what to expect in your INR results.
• Cod liver oil & Warfarin OCT 2006
  A product once given in the 1930’s to children is now used for cardio-protective properties.
• Safflower & Warfarin OCT 2006
  Safflower joins the many natural products that interact with warfarin. See how this common product, including safflower oil impacts an INR test result
• Omacor & Warfarin OCT 2006
  Marketed as a pharmaceutical grade form of omega-3 fatty acid product, this prescription product will interact with warfarin.
• Combination Therapy SEP 2006
  Once thought to be too dangerous together, warfarin and aspirin provide complete protection.
• Brown bagging medications SEP 2006
  The FDA’s website recommends patient sharing their medications with physicians
• Evista, A controversial choice for patients SEP 2006
  Cardiovascular risks seen
• Cherokee rose hip & warfarin AUG 2006
  The parade of herbals keep coming, this month’s herbal highlight may impact stable patient INR test results
• Cranberry case AUG 2006
  An isolated case of an increased INR reported should not stop cranberries from being consumed.
• Adverse Events Lecture Draws a Crowd AUG 2006
  A standing room only lecture hall resulted from a presentation on adverse events associated with warfarin.
• Leflunomide & Warfarin AUG 2006
  Managing arthritis while managing warfarin can be challenging
• Nalidixic & Warfarin JULY 2006
  NegGram® riddled with drug interactions
• Fluconazole & Warfarin JULY 2006
  Add fluconazole to the list of medications that increases patient INRs
• Cranberry & warfarin O.K. together JUNE 2006
  Confusion and controversy has been put to rest regarding cranberry and warfarin use together.
  
• Statin news JUNE 2006
  Statins show promise but alter warfarin levels
• Fluconazole & Warfarin MAY 2006
  Hormone replacement therapy shows a clinically significant interaction
• Vitamin K registry reaches 1000 entries APRIL 2006
  The vitamin K registry continues to provide professionals and patients valuable vitamin K information
• Use of low dose vitamin K MAR 2006
  Vitamin K, used as a titration tool, shows promise for improving time in range for warfarin patients
• Iressa interaction with warfarin FEB 2006
  Add gefitinib to the list of drug interactions
• Drug Interactions Increase Bleeding Risk FEB 2006
  Drug interactions increase the risk of bleeding significantly.
• Dispensing Error Case Study JAN 2006
  Dispensing errors remain a patient and physician safety concern
• Bogbeans & Warfarin DEC 2005
  Bogbean is sought after for medicinal purposes as well as being used as a food flavoring agent. A potential interaction with warfarin exists.
• Cranberry Cleared DEC 2005
  Studies completed from Tufts University clear cranberries from interacting with warfarin.
• Ethnicity & Dosing OCT 2005
  Annals of Pharmacotherapy discovered significant differences for 4 distinct ethnic groups
• Maxifloxacin and Warfarin OCT 2005
  Cases strengthen the evidence that an interaction does exist despite manufacturer-generated statements to the contrary.
• Oral chemotherapy's black box for warfarin SEP 2005
  New oral chemotherapy requires serious warfarin dose reduction.
• Dilantin and Warfarin SEP 2005
  When two NTI drugs square off - patients often lose
• Avocado & Warfarin SEP 2005
  Avocado may play a role in helping your cholesterol but lower your INR.
• Glucagon and Warfarin AUG 2005
  Managing two chronic disease with interacting therapies can be a challenge.
• Angelica herb & Warfarin AUG 2005
  Trouble as a Rugrat, problems in herb form for Angelica.
• Situational Safety: Cooking oils and vitamin K JULY 2005
  They aren't leafy and they aren't green but they could be loaded with vitamin K, see how oils vary in vitamin K content.
• INR - Under the influence JULY 2005
  Alcohol is a sensitive area for patients to discuss with their caregiver, see why it is better to address it sooner than later.
• Vitamin E JUNE 2005
  Described by many as the body's natural scavenger of free radicals that can do damage, vitamin E can affect your INR at high doses.
• Olestra and Warfarin JUNE 2005
  If it sounds too good to be true...it just might be. Proctor 'Gambled' and came up with a product warfarin patients should know about.
  
• Vitamin K's Role JUNE 2005
  Vitamin K is moving beyond its traditional role...
• Mango's and Warfarin MAY 2005
  A relatively inexpensive, otherwise healthy food, the mango has a history of raising INR values in patients that consume it regularly over time.
• Brand Matters MAY 2005
  Shelf space is limited to usually one generic warfarin formulation and one brand ...until a contract runs out.
• Arnica & Warfarin MAY 2005
  Clinics should be aware of the widespread popularity of this natural product and its effect on warfarin.
• Pass the DHA MAY 2005
  Warfarin patient management professionals will need to stay alert to newly marketed additives.
• Acerola & Warfarin APRIL 2005
  Natural Medicines are rapidly filling up grocery store shelves. See how a Caribbean fruit might influence your INR.
• Herbal Products APRIL 2005
  An investigation is underway to determine if more stringent regulations are needed for herbal preparations.
• Vitamin C MAR 2005
  Vitamin C and warfarin can potentially interact, see when this is most likely to occur.
• Moxifloxacin & Warfarin MAR 2005
  Important link between Maxifloxacin and warfarin patients suggested
• Cranberry Products & Warfarin MAR 2005
  Cranberry products and warfarin interactions had been linked by five isolated patient cases. Since then research has been conducted offering new insight and hope.
• Nattokinase - Fermented Trouble? MAR 2005
  A thousand year old Japanese food derivative could become an over-the-counter fibrinolytic problem here in the U.S.
• A Nattokinase Connection? MAR 2005
  Therapeutic guidelines have been revised down in Japan for warfarin use based on the widely used nattokinase food-based product and powerful fibrinolytic action.
• Macrolide Antibiotic Interactions FEB 2005
  Increase in INR values can be expected placing patients at increased bleeding risks
• Vitamin A FEB 2005
  Large doses of vitamin A will increase patient INR values
• Menthol Cough Drop Lowers INR FEB 2005
  A possible case of menthol cough drops significantly lowering a patient's INR
• Multi-Vitamins & Warfarin FEB 2005
  Vitamin K in multi-vitamin form has varying affects on patients taking warfarin
• OTC Statins? Watch your INRs FEB 2005
  The move of statins from prescription to over the counter status has raised many concerns
• Crestor & Warfarin JAN 2005
  An important follow-up to our December article on Crestor and Warfarin
• Celebrex and Warfarin JAN 2005
  Celebrex under the microscope for cardiovascular risks - warfarin risks known for some time.
• Azithromycin & Warfarin DEC 2004
  The "zip-pack" is one of the more common antibiotic prescribed. It also can impact INRs.
  
• Crestor & Warfarin DEC 2004
  INRs shown to go high, Crestor can be the reason why.
• Top 10 list not to be on... NOV 2004
  Not surprising, warfarin was involved in the top 5 drug-drug interactions. A strategy on how to deal with it.
• St. John's Wort & Warfarin NOV 2004
  St. John's Wort is taken by tens of millions of patients world wide. INR values are influenced.
• Broccoli Sprouts NOV 2004
  If you wait too long the potential benefit of the baby broccoli sprout will be gone, but how will the INR be affected?
• Omega 3 Fatty Acids and Warfarin NOV 2004
  Fish Oil holds great promise but concerns for some on the impact of stable INRs remain.