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Rx Item-Warfarin 4Mg Tab 100 By Amneal Pharma

Item No. RX243758/H Item No. RX893250 893250 NDC No. 65162-0765-10 65162-765-10 6516276510 65162076510 0765-10 076510 UPC No. 3-65162-76510-6 365162-765106 365162765106 Rx Item-Warfarin 4Mg Tab 100 ByItem No. RX243758/H Item No. RX893250 893250 NDC No. 65162-0765-10 65162-765-10 6516276510 65162076510 0765-10 076510 UPC No. 3-65162-76510-6 365162-765106 365162765106 Rx Item-Warfarin 4Mg Tab 100 ByOnly Lic.-Physician,Pharmacy,Dentist,Drug Mfg,Dist.,Gov,Hospital,Lic.Lab,Naturalist,Naturopath,NP,Optometrist,Pharmacist,PA,Physical Therapist,Podiatrist,Research Co.,Uni.,VA,Vet & Wholesalers in scopWant to do Research on this Med or need a large quantity? Email Details with quantity required to:sales@AmericanPharmaWholesale.comVisit AmericanPharmaWholesale.com for over 100,000 items of Health & Beauty at Retail@Wholesale prices.

Rx Item-Warfarin 4Mg Tab 100 By Amneal Pharma

$65.86$13.12

Item No. RX243758/H Item No. RX893250 893250 NDC No. 65162-0765-10 65162-765-10 6516276510 65162076510 0765-10 076510 UPC No. 3-65162-76510-6 365162-765106 365162765106 Rx Item-Warfarin 4Mg Tab 100 By Amneal Pharma Only Physician Pharmacy Or Licensed Facility Can purchase this RX Item Brand/Generic Drug Category Coagulation Modifiers-Anticoagulant-Coumarins And IndandionesDrug Class 20120408 Coumarin Derivatives

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WARFARIN SODIUM- warfarin sodium tablet
WARNING: BLEEDING RISK

Warfarin sodium can cause major or fatal bleeding [see Warnings and Precautions (5.1)].
Perform regular monitoring of INR in all treated patients [see Dosage and Administration (2.1)].
Drugs, dietary changes, and other factors affect INR levels achieved with warfarin sodium therapy [see Drug Interactions (7)].
Instruct patients about prevention measures to minimize risk of bleeding and to report signs and symptoms of bleeding [see Patient Counseling Information (17)].
1 INDICATIONS AND USAGE



Warfarin sodium tablets,USP are indicated for:

Prophylaxis and treatment of venous thrombosis and its extension, pulmonary embolism (PE).
Prophylaxis and treatment of thromboembolic complications associated with atrial fibrillation (AF) and/or cardiac valve replacement.
Reduction in the risk of death, recurrent myocardial infarction (MI), and thromboembolic events such as stroke or systemic embolization after myocardial infarction.
Limitations of Use

Warfarin sodium tablets, USP have no direct effect on an established thrombus, nor does it reverse ischemic tissue damage. Once a thrombus has occurred, however, the goals of anticoagulant treatment are to prevent further extension of the formed clot and to prevent secondary thromboembolic complications that may result in serious and possibly fatal sequelae.

2 DOSAGE AND ADMINISTRATION

2.1 Individualized Dosing
The dosage and administration of warfarin sodium must be individualized for each patient according to the patient's INR response to the drug. Adjust the dose based on the patient's INR and the condition being treated. Consult the latest evidence-based clinical practice guidelines regarding the duration and intensity of anticoagulation for the indicated conditions.

2.2 Recommended Target INR Ranges and Durations for Individual Indications
An INR of greater than 4 appears to provide no additional therapeutic benefit in most patients and is associated with a higher risk of bleeding.

Venous Thromboembolism (including deep venous thrombosis [DVT] and PE)

Adjust the warfarin dose to maintain a target INR of 2.5 (INR range, 2 to 3) for all treatment durations. The duration of treatment is based on the indication as follows:

For patients with a DVT or PE secondary to a transient (reversible) risk factor, treatment with warfarin for 3 months is recommended.
For patients with an unprovoked DVT or PE, treatment with warfarin is recommended for at least 3 months. After 3 months of therapy, evaluate the risk-benefit ratio of long-term treatment for the individual patient.
For patients with two episodes of unprovoked DVT or PE, long-term treatment with warfarin is recommended. For a patient receiving long-term anticoagulant treatment, periodically reassess the risk-benefit ratio of continuing such treatment in the individual patient.
Atrial Fibrillation

In patients with non-valvular AF, anticoagulate with warfarin to target INR of 2.5 (range, 2.0 to 3.0).

In patients with non-valvular AF that is persistent or paroxysmal and at high risk of stroke (i.e., having any of the following features: prior ischemic stroke, transient ischemic attack, or systemic embolism, or 2 of the following risk factors: age greater than 75 years, moderately or severely impaired left ventricular systolic function and/or heart failure, history of hypertension, or diabetes mellitus), long-term anticoagulation with warfarin is recommended.
In patients with non-valvular AF that is persistent or paroxysmal and at an intermediate risk of ischemic stroke (i.e., having 1 of the following risk factors: age greater than 75 years, moderately or severely impaired left ventricular systolic function and/or heart failure, history of hypertension, or diabetes mellitus), long-term anticoagulation with warfarin is recommended.
For patients with AF and mitral stenosis, long-term anticoagulation with warfarin is recommended.
For patients with AF and prosthetic heart valves, long-term anticoagulation with warfarin is recommended; the target INR may be increased and aspirin added depending on valve type and position, and on patient factors.
Mechanical and Bioprosthetic Heart Valves

For patients with a bileaflet mechanical valve or a Medtronic Hall (Minneapolis, MN) tilting disk valve in the aortic position who are in sinus rhythm and without left atrial enlargement, therapy with warfarin to a target INR of 2.5 (range, 2 to 3) is recommended.
For patients with tilting disk valves and bileaflet mechanical valves in the mitral position, therapy with warfarin to a target INR of 3 (range, 2.5 to3.5) is recommended.
For patients with caged ball or caged disk valves, therapy with warfarin to a target INR of 3 (range, 2.5 to3.5) is recommended.
For patients with a bioprosthetic valve in the mitral position, therapy with warfarin to a target INR of 2.5 (range, 2 to 3) for the first 3 months after valve insertion is recommended. If additional risk factors for thromboembolism are present (AF, previous thromboembolism, left ventricular dysfunction), a target INR of 2.5 (range, 2 to 3) is recommended.
Post-Myocardial Infarction

For high-risk patients with MI (e.g., those with a large anterior MI, those with significant heart failure, those with intracardiac thrombus visible on transthoracic echocardiography, those with AF, and those with a history of a thromboembolic event), therapy with combined moderate-intensity (INR, 2 to 3) warfarin plus low-dose aspirin (? 100 mg/day) for at least 3 months after the MI is recommended.
Recurrent Systemic Embolism and Other Indications

Oral anticoagulation therapy with warfarin has not been fully evaluated by clinical trials in patients with valvular disease associated with AF, patients with mitral stenosis, and patients with recurrent systemic embolism of unknown etiology. However, a moderate dose regimen (INR 2 to3) may be used for these patients.

2.3 Initial and Maintenance Dosing
The appropriate initial dosing of warfarin sodium varies widely for different patients. Not all factors responsible for warfarin dose variability are known, and the initial dose is influenced by:

Clinical factors including age, race, body weight, sex, concomitant medications, and comorbidities
Genetic factors (CYP2C9 and VKORC1 genotypes) [see Clinical Pharmacology ( 12.5)]
Select the initial dose based on the expected maintenance dose, taking into account the above factors. Modify this dose based on consideration of patient-specific clinical factors. Consider lower initial and maintenance doses for elderly and/or debilitated patients and in Asian patients [see Use in Specific Populations ( 8.5) and Clinical Pharmacology ( 12.3)]. Routine use of loading doses is not recommended as this practice may increase hemorrhagic and other complications and does not offer more rapid protection against clot formation.

Individualize the duration of therapy for each patient. In general, anticoagulant therapy should be continued until the danger of thrombosis and embolism has passed [see Dosage and Administration ( 2.2)].

Dosing Recommendations without Consideration of Genotype

If the patient's CYP2C9 and VKORC1 genotypes are not known, the initial dose of warfarin sodium is usually 2 to 5 mg once daily. Determine each patient's dosing needs by close monitoring of the INR response and consideration of the indication being treated. Typical maintenance doses are 2 to 10 mg once daily.

Dosing Recommendations with Consideration of Genotype

Table 1 displays three ranges of expected maintenance warfarin sodium doses observed in subgroups of patients having different combinations of CYP2C9 and VKORC1 gene variants [see Clinical Pharmacology ( 12.5)]. If the patient's CYP2C9 and/or VKORC1 genotype are known, consider these ranges in choosing the initial dose. Patients with CYP2C9 *1/*3, *2/*2, *2/*3, and *3/*3 may require more prolonged time (> 2 to 4 weeks) to achieve maximum INR effect for a given dosage regimen than patients without these CYP variants.
ADVERSE REACTIONS

The following serious adverse reactions to warfarin sodium are discussed in greater detail in other sections of the labeling:

Hemorrhage [see Boxed Warning , Warnings and Precautions ( 5.1), and Overdosage ( 10)]
Necrosis of skin and other tissues [see Warnings and Precautions ( 5.2)]
Systemic atheroemboli and cholesterol microemboli [see Warnings and Precautions ( 5.3)]
Other adverse reactions to warfarin sodium include:
Immune system disorders: hypersensitivity/allergic reactions (including urticaria and anaphylactic reactions)
Vascular disorders: vasculitis
Hepatobiliary disorders: hepatitis elevated liver enzymes. Cholestatic hepatitis has been associated with concomitant administration of warfarin sodium and ticlopidine.
Gastrointestinal disorders: nausea, vomiting, diarrhea, taste perversion, abdominal pain, flatulence, bloating
Skin disorders: rash, dermatitis (including bullous eruptions), pruritus, alopecia
Respiratory disorders: tracheal or tracheobronchial calcification
General disorders: chills
OVERDOSAGE

10.1 Signs and Symptoms
Bleeding (e.g., appearance of blood in stools or urine, hematuria, excessive menstrual bleeding, melena, petechiae, excessive bruising or persistent oozing from superficial injuries, unexplained fall in hemoglobin) is a manifestation of excessive anticoagulation.

10.2 Treatment
The treatment of excessive anticoagulation is based on the level of the INR, the presence or absence of bleeding, and clinical circumstances. Reversal of warfarin sodium anticoagulation may be obtained by discontinuing warfarin sodium therapy and, if necessary, by administration of oral or parenteral vitamin K 1 .

The use of vitamin K 1 reduces response to subsequent warfarin sodium therapy and patients may return to a pretreatment thrombotic status following the rapid reversal of a prolonged INR. Resumption of warfarin sodium administration reverses the effect of vitamin K, and a therapeutic INR can again be obtained by careful dosage adjustment. If rapid re-anticoagulation is indicated, heparin may be preferable for initial therapy.

Prothrombin complex concentrate (PCC), fresh frozen plasma , or activated Factor VII treatment may be considered if the requirement to reverse the effects of warfarin sodium is urgent. A risk of hepatitis and other viral diseases is associated with the use of blood products; PCC and activated Factor VII are also associated with an increased risk of thrombosis. Therefore, these preparations should be used only in exceptional or life-threatening bleeding episodes secondary to warfarin sodium overdosage.

11 DESCRIPTION

Warfarin sodium is an anticoagulant that acts by inhibiting vitamin K-dependent coagulation factors. Chemically, it is 3-(?-acetonylbenzyl)-4-hydroxycoumarin and is a racemic mixture of the R - and S -enantiomers. Crystalline warfarin sodium is an isopropanol clathrate. Its molecular formula is C 19 H 15 NaO 4
CLINICAL PHARMACOLOGY

12.1 Mechanism of Action
Warfarin acts by inhibiting the synthesis of vitamin K-dependent clotting factors, which include Factors II, VII, IX, and X, and the anticoagulant proteins C and S. Vitamin K is an essential cofactor for the post ribosomal synthesis of the vitamin K-dependent clotting factors. Vitamin K promotes the biosynthesis of ?-carboxyglutamic acid residues in the proteins that are essential for biological activity. Warfarin is thought to interfere with clotting factor synthesis by inhibition of the C1 subunit of vitamin K epoxide reductase (VKORC1) enzyme complex, thereby reducing the regeneration of vitamin K 1 epoxide

Item No. RX243758/H Item No. RX893250 893250 NDC No. 65162-0765-10 65162-765-10 6516276510 65162076510 0765-10 076510 UPC No. 3-65162-76510-6 365162-765106 365162765106 Rx Item-Warfarin 4Mg Tab 100 By
Rx Item-Warfarin 4Mg Tab 100 By Amneal P
Item No. RX243758/H Item No. RX893250 893250 NDC No. 65162-0765-10 65162-765-10 6516276510 65162076510 0765-10 076510 UPC No. 3-65162-76510-6 365162-765106 365162765106 Rx Item-Warfarin 4Mg Tab 100 By

Item No. RX243758/H Item No. RX893250 893250 NDC No. 65162-0765-10 65162-765-10 6516276510 65162076510 0765-10 076510 UPC No. 3-65162-76510-6 365162-765106 365162765106 Rx Item-Warfarin 4Mg Tab 100 By
Rx Item-Warfarin 4Mg Tab 100 By Amneal P
Item No. RX243758/H Item No. RX893250 893250 NDC No. 65162-0765-10 65162-765-10 6516276510 65162076510 0765-10 076510 UPC No. 3-65162-76510-6 365162-765106 365162765106 Rx Item-Warfarin 4Mg Tab 100 By

Only Lic.-Physician,Pharmacy,Dentist,Drug Mfg,Dist.,Gov,Hospital,Lic.Lab,Naturalist,Naturopath,NP,Optometrist,Pharmacist,PA,Physical Therapist,Podiatrist,Research Co.,Uni.,VA,Vet & Wholesalers in scop
Rx Item-Warfarin 4Mg Tab 100 By Amneal P
Only Lic.-Physician,Pharmacy,Dentist,Drug Mfg,Dist.,Gov,Hospital,Lic.Lab,Naturalist,Naturopath,NP,Optometrist,Pharmacist,PA,Physical Therapist,Podiatrist,Research Co.,Uni.,VA,Vet & Wholesalers in scop

Want to do Research on this Med or need a large quantity? Email Details with quantity required to:sales@AmericanPharmaWholesale.com
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Want to do Research on this Med or need a large quantity? Email Details with quantity required to:[email protected]

Visit AmericanPharmaWholesale.com for over 100,000 items of Health & Beauty at Retail@Wholesale prices.
AmericanPharmaWholesale.com
Visit AmericanPharmaWholesale.com for over 100,000 items of Health & Beauty at Retail@Wholesale prices.