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    | ANTICOAGULANTS, ORAL |   
    |  |  
    | ANTICOAGULANTS, ORAL 
 
 
 
BRAND & GENERIC NAMES
 
 
ANISINDIONEAnthrombin-KCoumadin
 Danilone
 DICUMAROL
 Dufalone
 Hedulin
 Liquamar
 Marcumar
 Marevan
 Melitoxin
 Miradon
 Panwarfin
 PHENINDIONE
 PHENPROCOUMON
 Sofarin
 WARFARIN POTASSIUM
 WARFARIN SODIUM
 Warfilone
 Warnerin
 
 
 
 
BASIC INFORMATION
 
Habit forming? No
Prescription needed? Yes
Available as generic? Yes
Drug class: Anticoagulant 
 
 
USES
 
Reduces blood clots. Used for abnormal clotting inside blood vessels.
 
 
 
 
DOSAGE & USAGE INFORMATION
 
How to take:Tablet  -- Swallow with liquid. If you can't swallow whole, crumble
 tablet and take with liquid or food.
 When to take:
 At the same time each day.
 If you forget a dose:
 Take as soon as you remember up to 12 hours late. If more than
 12 hours, wait for next scheduled dose (don't double this dose).
 Inform your doctor of any missed doses.
 What drug does:
 Blocks action of vitamin K necessary for blood clotting.
 
 
 
Time lapse before drug works: Dial 0 (operator) or 911 (emergency) for an ambulance or 
medical help. Then give first aid immediately.
See EMERGENCY INFORMATION.36 to 48 hours.
 Don't take with:
 Any other medicines, even over-the-counter drugs such as cough
 and cold medicines, nose drops, diet pills, laxatives or
 caffeine, without consulting your doctor.
 OVERDOSE
 SYMPTOMS:
 Bloody vomit and bloody or black stools, red urine.
 WHAT TO DO:
 
 
 
 
POSSIBLE ADVERSE REACTIONS OR SIDE EFFECTS
 
 
SYMPTOMS                     WHAT TO DO
 
Life-threatening:Black stools or             Discontinue. Seek
bloody vomit,                emergency treatment.
coughing up blood.
Rash, hives, itch,          Discontinue. Call
blurred vision,              doctor right away.
sore throat, easy 
bruising, bleeding, 
cloudy or red urine,
back pain, jaundice,
fever, chills, fatigue,
weakness.
Diarrhea, cramps,           Continue. Call doctor
nausea, vomiting,            when convenient.
swollen feet or legs,
hair loss.
Rare:
Necrosis of skin            Discontinue. Seek emergency 
treatment
Dizziness, headache,        Discontinue. Call
mouth sores.                 doctor right away.None expected.
 Common:
 Bloating, gas.               Continue. Tell doctor at next
 visit.
 Infrequent:
 
 
 
 
WARNINGS & PRECAUTIONS
 
Don't take if:You have been allergic to any oral anticoagulant.
You have a bleeding disorder.
You have an active peptic ulcer.
You have ulcerative colitis.
 
 
Before you start, consult your doctor:If you take any other drugs, including non-prescription drugs.
If you have high blood pressure.
If you have heavy or prolonged menstrual periods.
If you have diabetes.
If you have a bladder catheter.
If you have serious liver or kidney disease.
If you will have surgery within 2 months, including dental 
surgery, requiring general or spinal anesthesia.
Pregnancy:
 Risk to unborn child outweighs drug benefits. Don't use.
Infants & children:
 Use only under doctor's supervision.
Prolonged use:
 No age-related problems expected.
Skin & sunlight:
 No age-related problems expected.
 
 
Driving or hazardous activities:Avoid hazardous activities that could cause injury.
Don't drive if you feel dizzy or have blurred vision.
Discontinuing:
 Don't discontinue without consulting doctor. Dose may require 
gradual reduction if you have taken drug for a long time. Doses 
of other drugs may also require adjustment.
Others:
Carry identification to state you take anticoagulants.
 
 
 
POSSIBLE INTERACTION WITH OTHER DRUGS
 
 
|  |  |  
| Acetaminophen | Increased effect of anticoagulant. |  
| Allopurinol | Increased effect of anticoagulant. |  
| Amiodarone | Increased effect of anticoagulant. |  
| Androgens | Increased effect of anticoagulant. |  
| Antacids | Decreased effect of |  
| (large doses, | anticoagulant. |  
| see Drugs Glossary) |  
| Antibiotics | Increased effect of |  
| (see Drugs Glossary) | anticoagulant. |  
| Anticonvulsants | Increased effect of |  
| (hydantoin, see | both drugs. |  
| Drugs Glossary) |  
| Antidepressants, | Increased effect of |  
| tricyclic (TCA, | anticoagulant. |  
| see Drugs Glossary) |  
| Antidiabetics | Increased effect of |  
| (oral, see Drugs | anticoagulant. |  
| Glossary) |  
| Antihistamines | Unpredictable increased |  
| (see Drugs Glossary) | or decreased effect of |  
|  | anticoagulant. |  
| Aspirin | Possible spontaneous bleeding. |  
| Barbiturates | Decreased effect of |  
| (see Drugs Glossary) | anticoagulant. |  
| Benzodiazepines | Unpredictable increased |  
| (see Drugs Glossary) | or decreased anticoagulant effect. |  
| Calcium supplements | Decreased anticoagulant effect. |  
| Carbamazepine | Decreased effect of anticoagulant. |  
| Fluoxetine | May cause confusion, agitation, |  
|  | convulsions and high blood |  
|  | pressure. Avoid combining. |  
| Griseofulvin | Decreased effect of anticoagulant. |  
| Non-steroidal | Increased risk of |  
| anti-inflammatory | bleeding. |  
| drugs (NSAIDs, see |  
| Drugs Glossary) |  
| Phenytoin | Decreased phenytoin levels. |  
| Rifampin | Decreased effect of anticoagulant. |  
| Suprofen | Increased risk of bleeding. |  
| Vitamin K | Decreased effect of anticoagulant. |  
 
POSSIBLE INTERACTION WITH OTHER SUBSTANCES
 
 
| Marijuana: | None expected. |  
| Tobacco: | None expected. |  
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