Recent Questions and Answers about Warfarin
View Community-reported Warfarin side effects
Add Your Side Effect to the Community Database
Help Community - Describe Your Warfarin Side Effect
Have You dealt with a Warfarin side effect? Share your experience
Warfarin Side Effects summary
Total Warfarin reports: 1204.Warfarin FDA safety alerts: 2001 2002 2004 2006 2007 .
Reported deaths: 175 Reported hospitalizations: 861.
Take Warfarin Side Effects Survey, Discuss Warfarin with others
Warfarin Side Effects: international normalised ratio increased, cerebral haemorrhage, gastrointestinal haemorrhage, haemorrhage intracranial, haemoglobin decreased, fall, anaemia, coagulopathy, international normalised ratio decreased, contusion, haematuria,
More About Warfarin.
If you have questions about Warfarin, you can ask a Health Expert or Ask Patient Community about Warfarin.
Warfarin Side Effects reported to FDA
< Previous Showing 161-200 of 1204 Next >
Warfarin Side Effects Report #5588210-1Pharmacist from UNITED STATES reported WARFARIN problem on Jan 09, 2008. Male patient, 87 years of age, was diagnosed with atrial fibrillation and was treated with WARFARIN. After drug was administered, patient experienced the following problems/side effects: benign prostatic hyperplasia, bladder spasm, catheter related complication, chromaturia, haematuria, suprapubic pain, thrombosis, urine output decreased. WARFARIN dosage: 2.5MG EVERY DAY PO. Patient was hospitalized. Patient recovered.
Warfarin Side Effects Report #5588211-3
WARFARIN problem was reported by a Pharmacist from UNITED STATES on Jan 09, 2008. Male patient, 86 years of age, was diagnosed with atrial flutter and was treated with WARFARIN. After drug was administered, patient experienced the following problems/side effects: constipation, diverticulum, epiploic appendagitis, gastric haemorrhage, haemorrhoids, lower gastrointestinal haemorrhage, urinary tract infection. WARFARIN dosage: 0/2.5MG OTHER PO. Patient was hospitalized. Patient recovered.
Warfarin Side Effects Report #5588214-9
Pharmacist from UNITED STATES reported WARFARIN problem on Jan 09, 2008. Male patient, 64 years of age, was diagnosed with atrial fibrillation and was treated with WARFARIN. After drug was administered, patient experienced the following problems/side effects: international normalised ratio increased. WARFARIN dosage: unknown. Patient was hospitalized. Patient recovered.
Warfarin Side Effects Report #5589452-1
WARFARIN problem was reported by a Pharmacist from UNITED STATES on Jan 09, 2008. Male patient, 81 years of age, was diagnosed with atrial fibrillation and was treated with WARFARIN. After drug was administered, patient experienced the following problems/side effects: international normalised ratio abnormal, international normalised ratio increased. WARFARIN dosage: 5MG EVERY DAY PO. Patient was hospitalized. Patient recovered.

Warfarin Side Effects Report #5591350-4
Consumer or non-health professional from UNITED STATES reported WARFARIN problem on Jan 10, 2008. Male patient, 82 years of age, was diagnosed with deep vein thrombosis and was treated with WARFARIN. After drug was administered, patient experienced the following problems/side effects: haematuria, international normalised ratio increased. WARFARIN dosage: 5 MG EVERY DAY PO. Patient was hospitalized. Patient recovered.
Warfarin Side Effects Report #5594632-5
WARFARIN problem was reported by a Consumer or non-health professional from UNITED STATES on Jan 11, 2008. Female patient, weighting 138.9 lb, was diagnosed with arthritis and was treated with WARFARIN. After drug was administered, patient experienced the following problems/side effects: feeling abnormal, malaise, mental disorder, suicidal ideation. WARFARIN dosage: unknown. During the same period patient was treated with XANAX, NEURONTIN, ALBUTEROL, PENTOXIFYLLINE, OXYCONTIN. Patient recovered.
Warfarin Side Effects Report #5598173-0
Pharmacist from UNITED STATES reported WARFARIN problem on Jan 17, 2008. Male patient, 80 years of age, was diagnosed with atrial fibrillation, wound infection and was treated with WARFARIN. After drug was administered, patient experienced the following problems/side effects: international normalised ratio increased, therapeutic agent toxicity. WARFARIN dosage: 5MG EVERY DAY SQ. During the same period patient was treated with SULFAMETHOXAZOLE AND TRIMETHOPRIM. Patient was hospitalized. Patient recovered.
Warfarin Side Effects Report #5598237-1
WARFARIN problem was reported by a Pharmacist from UNITED STATES on Jan 17, 2008. Female patient, 40 years of age, weighting 220.5 lb, was diagnosed with pulmonary embolism and was treated with WARFARIN. After drug was administered, patient experienced the following problems/side effects: asthenia, international normalised ratio increased, prothrombin time prolonged. WARFARIN dosage: 5MG DAILY PO. Patient was hospitalized. Patient recovered.
Warfarin Side Effects Report #5599707-2
Consumer or non-health professional from UNITED STATES reported WARFARIN problem on Jan 18, 2008. Male patient, 57 years of age, weighting 187.4 lb, was diagnosed with atrial fibrillation and was treated with WARFARIN. After drug was administered, patient experienced the following problems/side effects: international normalised ratio increased, malaise, orthostatic hypotension, oxygen saturation decreased, pericardial haemorrhage. WARFARIN dosage: 1 MG PO QD. During the same period patient was treated with NEPHROCAPS, METOPROLOL TARTRATE, ALLOPURINOL, AMIODARONE, HYDROCHLOROTHIAZIDE, COLCHICINE, ASPIRIN, SENSIPAR. Patient was hospitalized. Patient recovered.

Warfarin Side Effects Report #5599720-5
WARFARIN problem was reported by a Pharmacist from UNITED STATES on Jan 18, 2008. Male patient, 66 years of age, weighting 185.2 lb, was diagnosed with pulmonary embolism and was treated with WARFARIN. After drug was administered, patient experienced the following problems/side effects: contusion, ear haemorrhage, ecchymosis, international normalised ratio increased. WARFARIN dosage: 5MG PO QD. During the same period patient was treated with FERROUS SULPHATE, SIMVASTATIN, HYDROMORPHONE, ISOSORBIDE DINITRATE, ENALAPRIL, EZETIMIBE. Patient was hospitalized. Patient recovered.
Warfarin Side Effects Report #5599737-0
Pharmacist from UNITED STATES reported WARFARIN problem on Jan 18, 2008. Female patient, 65 years of age, was diagnosed with thrombosis prophylaxis and was treated with WARFARIN. After drug was administered, patient experienced the following problems/side effects: epistaxis, gingival bleeding, haemoglobin decreased, incorrect dose administered, international normalised ratio increased. WARFARIN dosage: 20MG PO QD. During the same period patient was treated with INSULIN, LASIX, METFORMIN, QUINAPRIL. Patient was hospitalized. Patient recovered.
Warfarin Side Effects Report #5599763-1
WARFARIN problem was reported by a Pharmacist from UNITED STATES on Jan 18, 2008. Male patient, 67 years of age, was diagnosed with atrial fibrillation and was treated with WARFARIN. After drug was administered, patient experienced the following problems/side effects: international normalised ratio increased. WARFARIN dosage: unknown. Patient was hospitalized. Patient recovered.
Warfarin Side Effects Report #5599766-7
Pharmacist from UNITED STATES reported WARFARIN problem on Jan 18, 2008. Male patient, 77 years of age, was diagnosed with deep vein thrombosis and was treated with WARFARIN. After drug was administered, patient experienced the following problems/side effects: alcohol use, international normalised ratio abnormal, international normalised ratio increased. WARFARIN dosage: 3MG EVERY DAY PO. Patient was hospitalized. Patient recovered.
Warfarin Side Effects Report #5599775-8
WARFARIN problem was reported by a Health Professional from FRANCE on Jan 17, 2008. Female patient, 72 years of age, was diagnosed with cerebrovascular accident prophylaxis, stent placement and was treated with WARFARIN. After drug was administered, patient experienced the following problems/side effects: anaemia, chronic obstructive pulmonary disease, epistaxis. WARFARIN dosage: unknown. During the same period patient was treated with PLAVIX, ASPIRIN. Patient was hospitalized. Patient recovered.

Warfarin Side Effects Report #5599797-7
Pharmacist from UNITED STATES reported WARFARIN problem on Jan 18, 2008. Male patient, 59 years of age, was treated with WARFARIN. After drug was administered, patient experienced the following problems/side effects: anaemia, international normalised ratio abnormal, international normalised ratio increased, multi-organ failure. WARFARIN dosage: 2MG EVERY DAY PO. During the same period patient was treated with METRONIDAZOLE. Patient died on 12/29/2007.
Warfarin Side Effects Report #5599799-0
WARFARIN problem was reported by a Pharmacist from UNITED STATES on Jan 18, 2008. Male patient, 75 years of age, was diagnosed with atrial fibrillation, pain and was treated with WARFARIN. After drug was administered, patient experienced the following problems/side effects: gastrointestinal haemorrhage, international normalised ratio abnormal. WARFARIN dosage: unknown. During the same period patient was treated with ACETAMINOPHEN. Patient was hospitalized. Patient recovered.
Warfarin Side Effects Report #5600173-9
Pharmacist from UNITED STATES reported WARFARIN problem on Jan 17, 2008. Male patient, 78 years of age, weighting 196.0 lb, was diagnosed with atrial fibrillation and was treated with WARFARIN. After drug was administered, patient experienced the following problems/side effects: gastric haemorrhage, international normalised ratio increased, scrotal oedema. WARFARIN dosage: 5MG EVERY DAY PO. Patient was hospitalized. Patient recovered.
Warfarin Side Effects Report #5601169-3
WARFARIN problem was reported by a Pharmacist from UNITED STATES on Jan 22, 2008. Male patient, 82 years of age, weighting 167.6 lb, was treated with WARFARIN. After drug was administered, patient experienced the following problems/side effects: haematochezia, international normalised ratio increased, refusal of treatment by patient. WARFARIN dosage: 2.5MG DAILY PO. Patient was hospitalized. Patient recovered.
Warfarin Side Effects Report #5601191-7
Pharmacist from UNITED STATES reported WARFARIN problem on Jan 22, 2008. Male patient, 74 years of age, weighting 169.8 lb, was treated with WARFARIN. After drug was administered, patient experienced the following problems/side effects: back pain, fall, international normalised ratio increased, retroperitoneal haemorrhage. WARFARIN dosage: 2.5 MG DAILY PO. Patient was hospitalized. Patient recovered.

Warfarin Side Effects Report #5601240-6
WARFARIN problem was reported by a Pharmacist from UNITED STATES on Jan 22, 2008. Male patient, 84 years of age, weighting 239.9 lb, was diagnosed with atrial fibrillation and was treated with WARFARIN. After drug was administered, patient experienced the following problems/side effects: gastric haemorrhage, gastritis. WARFARIN dosage: 5MG EVERY DAY PO. Patient was hospitalized. Patient recovered.
Warfarin Side Effects Report #5601243-1
Pharmacist from UNITED STATES reported WARFARIN problem on Jan 22, 2008. Male patient, 66 years of age, weighting 173.7 lb, was diagnosed with cardiac valve disease and was treated with WARFARIN. After drug was administered, patient experienced the following problems/side effects: gastric haemorrhage, gastric ulcer. WARFARIN dosage: 4MG EVERY DAY PO. Patient was hospitalized. Patient recovered.
Warfarin Side Effects Report #5601302-3
WARFARIN problem was reported by a Consumer or non-health professional from UNITED STATES on Jan 22, 2008. Male patient, 56 years of age, was diagnosed with deep vein thrombosis, pulmonary embolism and was treated with WARFARIN. After drug was administered, patient experienced the following problems/side effects: asthenia, dyspnoea exertional, international normalised ratio increased. WARFARIN dosage: 7.5MG EVERY DAY PO. Patient was hospitalized. Patient recovered.
Warfarin Side Effects Report #5601315-1
Pharmacist from UNITED STATES reported WARFARIN problem on Jan 22, 2008. Male patient, 79 years of age, was diagnosed with atrial fibrillation, infection and was treated with WARFARIN. After drug was administered, patient experienced the following problems/side effects: cough, haematocrit abnormal, haemoglobin abnormal, haemorrhage, international normalised ratio increased. WARFARIN dosage: 5MG EVERY DAY PO. During the same period patient was treated with AMOXICILLIN. Patient was hospitalized. Patient recovered.
Warfarin Side Effects Report #5602706-5
WARFARIN problem was reported by a Health Professional from UNITED STATES on Jan 22, 2008. Male patient, weighting 177.5 lb, was diagnosed with prophylaxis, abdominal pain, bipolar disorder, hypertension and was treated with WARFARIN. After drug was administered, patient experienced the following problems/side effects: hypotension, respiratory failure. WARFARIN dosage: unknown. During the same period patient was treated with DILAUDID, OXYCONTIN, LITHIUM CARBONATE, ATENOLOL, LISINOPRIL, BEVACIZUMAB, LEUCOVORIN CALCIUM. Patient was hospitalized. Patient recovered.
Warfarin Side Effects Report #5602921-0
Consumer or non-health professional from JAPAN reported WARFARIN problem on Jan 18, 2008. Male patient, 67 years of age, was diagnosed with aortic valve replacement, anaesthesia and was treated with WARFARIN. After drug was administered, patient experienced the following problems/side effects: acute myocardial infarction. WARFARIN dosage: unknown. During the same period patient was treated with SEVOFLURANE, NITROUS OXIDE, OXYGEN. Patient recovered.
Warfarin Side Effects Report #5603357-9
WARFARIN problem was reported by a Physician from UNITED KINGDOM on Jan 11, 2008. Male patient, 70 years of age, was treated with WARFARIN. After drug was administered, patient experienced the following problems/side effects: nephritis interstitial. WARFARIN dosage: unknown. Patient recovered.
Warfarin Side Effects Report #5604082-0
Pharmacist from UNITED STATES reported WARFARIN problem on Jan 23, 2008. Male patient, 49 years of age, weighting 123.5 lb, was treated with WARFARIN. After drug was administered, patient experienced the following problems/side effects: haematuria, international normalised ratio increased. WARFARIN dosage: 5MG DAILY PO. Patient was hospitalized. Patient recovered.
Warfarin Side Effects Report #5604159-X
WARFARIN problem was reported by a Pharmacist from UNITED STATES on Jan 23, 2008. Female patient, 78 years of age, weighting 160.0 lb, was diagnosed with deep vein thrombosis and was treated with WARFARIN. After drug was administered, patient experienced the following problems/side effects: international normalised ratio increased. WARFARIN dosage: 5MG DAILY PO. Patient was hospitalized. Patient recovered.
Warfarin Side Effects Report #5604168-0
Consumer or non-health professional from UNITED STATES reported WARFARIN problem on Jan 23, 2008. Male patient, 85 years of age, weighting 108.0 lb, was diagnosed with arterial bypass operation, thrombectomy and was treated with WARFARIN. After drug was administered, patient experienced the following problems/side effects: decreased appetite, international normalised ratio abnormal, pneumonia, urinary tract infection. WARFARIN dosage: 3MG EVERY DAY PO. Patient was hospitalized. Patient recovered.
Warfarin Side Effects Report #5604434-9
WARFARIN problem was reported by a Pharmacist from UNITED STATES on Jan 23, 2008. Female patient, 61 years of age, weighting 143.3 lb, was treated with WARFARIN. After drug was administered, patient experienced the following problems/side effects: chest pain, international normalised ratio increased, intestinal haemorrhage. WARFARIN dosage: unknown. Patient was hospitalized. Patient recovered.
Warfarin Side Effects Report #5604466-0
Pharmacist from UNITED STATES reported WARFARIN problem on Jan 23, 2008. Male patient, 81 years of age, weighting 189.6 lb, was diagnosed with deep vein thrombosis and was treated with WARFARIN. After drug was administered, patient experienced the following problems/side effects: coagulopathy, colectomy, gastrointestinal haemorrhage. WARFARIN dosage: unknown. Patient was hospitalized. Patient recovered.
Warfarin Side Effects Report #5604519-7
WARFARIN problem was reported by a Pharmacist from UNITED STATES on Jan 23, 2008. Male patient, 61 years of age, weighting 213.8 lb, was treated with WARFARIN. After drug was administered, patient experienced the following problems/side effects: faeces discoloured, international normalised ratio increased. WARFARIN dosage: 5MG DAILY PO. Patient was hospitalized. Patient recovered.
Warfarin Side Effects Report #5604542-2
Pharmacist from UNITED STATES reported WARFARIN problem on Jan 24, 2008. Female patient, 75 years of age, weighting 189.6 lb, was diagnosed with aortic valve disease and was treated with WARFARIN. After drug was administered, patient experienced the following problems/side effects: anaemia, asthenia, gastrointestinal haemorrhage, international normalised ratio increased, lethargy. WARFARIN dosage: 2.5MG DAILY PO. During the same period patient was treated with AZITHROMYCIN, SERTRALINE, LISINOPRIL, FUROSEMIDE, METOPROLOL TARTRATE, ASPIRIN, ATORVASTATIN, CLOPIDOGREL. Patient was hospitalized and became disabled. Patient recovered.
Warfarin Side Effects Report #5604601-4
WARFARIN problem was reported by a Pharmacist from UNITED STATES on Jan 24, 2008. Male patient, 79 years of age, weighting 142.2 lb, was treated with WARFARIN. After drug was administered, patient experienced the following problems/side effects: fall, haematoma, international normalised ratio increased. WARFARIN dosage: 6MG EVERY DAY PO. Patient was hospitalized. Patient recovered.
Warfarin Side Effects Report #5605381-9
Pharmacist from UNITED STATES reported WARFARIN problem on Jan 25, 2008. Male patient, weighting 222.7 lb, was diagnosed with atrial fibrillation and was treated with WARFARIN. After drug was administered, patient experienced the following problems/side effects: ataxia, dizziness, hypertension, somnolence, vomiting. WARFARIN dosage: 5MG QD PO } 1 YEAR. Patient was hospitalized. Patient recovered.
Warfarin Side Effects Report #5605834-3
WARFARIN problem was reported by a Health Professional from CANADA on Jan 11, 2008. Female patient, 74 years of age, was treated with WARFARIN. After drug was administered, patient experienced the following problems/side effects: accidental overdose, international normalised ratio increased. WARFARIN dosage: 4 MG; DAILY : 20 MG;DAILY. Patient recovered.
Warfarin Side Effects Report #5606122-1
Pharmacist from UNITED STATES reported WARFARIN problem on Jan 23, 2008. Female patient, 86 years of age, weighting 120.5 lb, was diagnosed with atrial fibrillation and was treated with WARFARIN. After drug was administered, patient experienced the following problems/side effects: asthenia, back pain, movement disorder, postoperative thoracic procedure complication, spinal cord compression, spinal haematoma, subarachnoid haemorrhage. WARFARIN dosage: 3MG MON,WED, FRI, SUN PO. Patient was hospitalized. Patient recovered.
Warfarin Side Effects Report #5607791-2
WARFARIN problem was reported by a Consumer or non-health professional from IRELAND on Jan 22, 2008. Male patient, 60 years of age, was diagnosed with deep vein thrombosis and was treated with WARFARIN. After drug was administered, patient experienced the following problems/side effects: anaemia, deep vein thrombosis, gangrene, haematuria, leg amputation, renal cell carcinoma. WARFARIN dosage: unknown. During the same period patient was treated with HEPARIN. Patient was hospitalized. Patient recovered.
Warfarin Side Effects Report #5609150-5
Pharmacist from UNITED STATES reported WARFARIN problem on Jan 30, 2008. Female patient, 29 years of age, was diagnosed with pulmonary embolism and was treated with WARFARIN. After drug was administered, patient experienced the following problems/side effects: brain herniation, haemorrhage intracranial, pulmonary embolism. WARFARIN dosage: 10MG DAILY. During the same period patient was treated with LOVENOX, HYDROCODONE BITARTRATE, PREDNISONE, ENALAPRIL MALEATE, POTASSIUM CHLORIDE, HYDROXYCHLOROQUINE. Patient died on 08/19/2007.
Warfarin Side Effects Report #5610680-0
WARFARIN problem was reported by a Consumer or non-health professional from UNITED STATES on Jan 31, 2008. Male patient was treated with WARFARIN. After drug was administered, patient experienced the following problems/side effects: international normalised ratio increased. WARFARIN dosage: unknown. During the same period patient was treated with JANTOVEN. Patient recovered.
< Previous Showing 161-200 of 1204 Next >
Warfarin Side Effects


