Coumadin and Ibuprofen

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Is Coumadin a blood thinner?

Coumadin is a Brand name for an anticoagulant (or blood thinner) drug that contains warfarin as an active ingredient. Warfarin prevents the formation of blood clots as well as their migration by inhibiting vitamin K-dependent coagulation factors. Coumadin is indicated for: treatment and prophylaxis of venous thrombosis and pulmonary embolism as its extension, treatment and prophylaxis of thromboembolic complications associated with atrial fibrillation and/or cardiac valve replacement, reduction of recurrent myocardial infarction and thromboembolic events (such as stroke or systemic embolization) after myocardial infarction and therefore the reduction the risk of death.

Coumadin has no effects on an established thrombus, and can’t reverse ischemic tissue damage. The main targets of anticoagulant therapy are to prevent further extension of the formed blood clot and to prevent the risk of secondary thromboembolic complications that may result in serious and possibly fatal outcomes. Despite its effectiveness, warfarin therapy has several issues. Many drugs interact with warfarin, as well as some foods (such as leaf vegetable foods because they typically contain large amounts of vitamin K1) and its activity has to be monitored by blood testing for parameter INR – International Normalized Ratio to be ensured that adequate safe dose is taken. If INR value is high, patients are predisposed to an increased risk of bleeding, while low INR values indicates that the dose of warfarin is uneffective to protect against thromboembolic events.

Other Brand names for warfarin products on the market are: Jantoven, Marevan, Farin, Waran and Warfant.

Coumadin blood thinner

Is Ibuprofen a blood thinner?

Ibuprofen is a nonsteroidal anti-inflammatory drug (NSAID). Ibuprofen is a generic name for a drug containing the same name active ingredient. It is used as a pain reliever for various conditions such as: headaches, dental pain, muscle pain, tendinitis (inflammation or irritation of a tendon, a thick cord that attaches bone to muscle), menstrual cramps, and for the treatment of pain, swelling and joint stiffness caused by arthritis, osteoarthritis, juvenile arthritis, bursitis, ankylosing spondylitis, psoriatic arthritis and gout. It can also be used to temporarily reduce fever and for the treatment of common cold symptoms. Ibuprofen may be used intravascular with opiates for relieving moderate to severe pain. Ibuprofen lysine may be also used intravscular as a therapy for premature neonates with ductus arteriosus.

Ibuprofen is available in following dosage forms and strengths: capsule, capsule liquid filled, capsule coated (200, 220 and 400 mg), injection (100mg/ml), oral liquid (100 mg/5mL and 50 mg/1.25mL), solution (100 mg, 100 mg/5mL), suspension (100 mg, 200 mg/10mL, 100 mg/5mL) and tablet (200, 300, 400, 600 and 800 mg).

Common Brand names for ibuprofen are: Advil, Motrin, Brufen, Calprofen, Genpril, Ibu, Midol, Nuprin, Cuprofen, Nurofen, Ibuprofen 800 and PediaCare Children’s Pain Reliever/Fever Reducer IB.

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How does Coumadin and Ibuprofen work in the body?

Warfarin works by inhibiting the enzyme activity of vitamin K reductase, which results in depletion of vitamin KH2 – the reduced form of vitamin K. Vitamin K is a cofactor for the carboxylation reactions of glutamate residues of vitamin K-dependent proteins, so this inhibition limits the gamma-carboxylation reactions and activation of the vitamin K-dependent coagulant proteins. Therefore, the synthesis of vitamin K-dependent coagulation factors II, VII, IX, and X and anticoagulant proteins S and C is inhibited. Decreased levels of 3 of the 4 vitamin K-dependent coagulation factors (II, VII, and X) results in decreased prothrombin levels in blood and a decrease in the amount of thrombin generated and bound to fibrin. This reduces the thrombogenicity of clots.

Ibuprofen inhibits synthesis of prostaglandins (substances in the body that play a key role in pain and inflammation processes in body tissues) by inhibiting at least 2 cyclooxygenase (COX) isoenzymes, COX-1 and COX-2. Inhibition of COX-2 leads to the anti-inflammatory, analgesic and antipyretic effects while the inhibition of COX-1 may cause gastrointestinal bleeding and ulcers. Ibuprofen has the lowest risk of causing gastrointestinal bleeding of all NSAID, producing balanced inhibitory effects on both COX-1 and COX-2 isoenzymes. But, this advantage is lost at high doses. This drug may also inhibit chemotaxis, decrease proinflammatory cytokine activity, alter lymphocyte activity, and inhibit neutrophil aggregation – these effects may also contribute to anti-inflammatory activity.

Can patients take Coumadin and Ibuprofen together?

Patients on a Coumadin anticoagulant therapy should be very careful before taking any drugs for aches and pains. Taking NSAID (non-steroidal anti-inflammatory drugs) such as ibuprofen, naproxen, diclofenac, ketorolac, aspirin or other NSAID for pain relief together with Coumadin can increase the risk of serious bleeding. However, pain relievers that contain acetaminophen can be the best choice, and many doctors will recommend it. So, patients should never take Coumadin and Ibuprofen together without medical advice. Ibuprofen may impair the function of platelets which are important for blood clotting, while Couamdin impairs blood clotting in a different way, by impacting the INR level. Although there is no direct interaction between the two medicines, if they are taken together at the same time, they will attack the body’s ability to do blood clotting in two separate ways. This could greatly increase the risk of having significant bleeding.

Prothrombin time or INR should be monitored closely in patients on Coumadin therapy. Patients should be advised to contact their doctor if they develop signs and symptoms of excessive anticoagulation, such as: bruising, vomiting, unusual or prolonged bleeding, headache, dizziness, change in stool or urine color, or weakness.

The table below shows the incidence of side effects after Coumadin and Ibuprofen administration in recommendable doses. The incidence can be increased if these drugs are taken together or overdosed.

Frequency not defined Cholesterol embolus syndrome, Abdominal pain, Intraocular hemorrhage, Alopecia, Rash, Pruritus, Headache, Lethargy, Taste disturbance, Tissue necrosis, Hematuria, Anemia, Hepatitis, Respiratory tract bleeding, Hypersensitivity reaction, Hemorrhage, “Purple toe” syndrome, Increased fracture risk with long-term usage, Dizziness, Epigastric pain, Heartburn, Nausea, Tinnitus, Rash Vomiting , Edema, Fluid retention, Constipation

Coumadin and Ibuprofen side effects

Special precautions and warnings during Coumadin and Ibuprofen administration:

  • Patients should tell their doctor and pharmacist if they are allergic to Coumadin or Ibuprofen, or any other medications, or any of the ingredients in these products.
  • Patients should tell their doctor and pharmacist what prescription and nonprescription medicines, nutritional supplements, vitamins and herbal preparations they are taking or plan to take. There are many drugs that have interactions with warfarin and those interactions can cause serious side effects.
  • Patients should tell their doctor and pharmacist if they have or have ever had diseases such as: atherosclerosis, diabetes, some liver or kidney disease, bleeding problems, porphyria, cardiovascular disease such as chest pain (angina), arrhythmias, high blood pressure or heart attack; an underactive adrenal or pituitary gland, or any condition that makes swallow difficult.
  • Patients using Coumadin should tell their doctor and pharmacist what herbal or botanical products they are taking, especially if they are using coenzyme Q10 prparation, Echinacea, Ginkgo biloba, garlic, goldenseal, ginseng, and St. John’s wort. There are also many other herbal or botanical products which might affect body’s response to Coumadin.
  • Patients should tell their doctor if they have or have ever had diabetes. Also they should tell their doctor if they have an infection, a gastrointestinal illness such as diarrhea, or sprue or an indwelling catheter.
  • Patients should also tell their doctor if they are pregnant or plan to become pregnant or if they are breast-feeding. If they become pregnant while using these drugs they should call their doctor immediately. Pregnant women should not take warfarin unless they have a mechanical heart valve, but only with medical supervision. Coumadin may harm the fetus.
  • If patients should have surgery, including dental surgery, they should tell their doctor or dentist that they are using these drugs. Doctor may tell to stop taking warfarin before the surgery or procedure or change your dosage of warfarin before the surgery or procedure.
  • Cigarette smoking may decrease the effectiveness of Coumadin.
  • Patients should tell their doctor if they have or have ever had any of following conditions such as: asthma, frequent stuffed or runny nose or nasal polyps, swelling of the inside of the nose, swelling of the arms, feet, ankles, hands, or lower legs; lupus or liver or kidney disease.
  • Patients should mention to their doctor if they are using following drugs: ACE inhibitors such as: enalapril , fosinopril, lisinopril, benazepril, captopril, moexipril, diuretics lithium and methotrexate. Doctor may need to change the doses of these medications or monitor more carefully for side effects.
  • Patients should not take nonprescription ibuprofen with any other analgesic unless doctor tells that should.
  • If patients are giving ibuprofen to a child, it is important to tell the child’s doctor if the child has not been drinking fluids or has lost a large amount of fluid from repeated vomiting or diarrhea.

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About Miljan Krcobic 78 Articles
My name is Miljan Krčobić. I was born on 14th of November 1989. in Negotin, Serbia, where I finished elementary and high school. In June 2015 I graduated from the Faculty of Pharmacy in Belgrade and thus acquired the title Master of Pharmacy. From the July of 2015 to January 2016 I worked in a pharmaceutical company Hemofarm a.d.(Member of STADA group) based in Vrsac, Serbia, as an expert associate for GMP compliance within the sector Quality Assurance. I am currently working in a pharmacy called Zivkovic in Negotin. As a freelancer I write medical articles on Elance and Upwork.