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You are here : 3-RX.com > Drugs & Medications > Detailed Drug Information (USP DI) > Anticoagulants : Side Effects

Anticoagulants (Systemic)

Anticoagulants | Before Using | Proper Use | Precautions | Side Effects

Side Effects of This Medicine

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

    Since many things can affect the way your body reacts to this medicine, you should always watch for signs of unusual bleeding. Unusual bleeding may mean that your body is getting more medicine than it needs. Check with your doctor immediately if any of the following signs of bleeding or overdose occur :

      Bleeding from gums when brushing teeth; blood in urine; nosebleeds; pinpoint red spots on skin; unusual bleeding or bruising; unusually heavy bleeding or oozing from cuts or wounds; unusually heavy or unexpected menstrual bleeding

        Signs and symptoms of bleeding inside the body - dose-related

          Abdominal or stomach pain or swelling; back pain or backaches; black, tarry stools; bleeding in eye; blood in stools; blood in vomit or vomit that looks like coffee grounds; blood in urine; blurred vision; chest pain; confusion; constipation; coughing up blood; diarrhea (sudden and severe); dizziness or fainting; headache (continuing or severe); joint pain, stiffness, or swelling; loss of appetite; nausea and vomiting (severe); nervousness; numbness or tingling of hands, feet, or face; paralysis; shortness of breath; weakness (sudden)

    Also, check with your doctor as soon as possible if any of the following side effects occur:

      Less common

        Cough or hoarseness; fever or chills; lower back or side pain; painful or difficult urination; skin rash, hives, or itching


      Blisters or itching on skin; blue or purple toes; dark urine; pain in toes; painful red sores on skin, especially on thighs, breasts, penis, or buttocks; sores, ulcers, or white spots in mouth or throat; sudden increase or decrease in amount of urine; swelling of face, feet, and/or lower legs; trouble in breathing; yellow eyes or skin

Other side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. However, check with your doctor if any of the following side effects continue or are bothersome:

    Less common or rare

      Bloated stomach or gas (with dicumarol); cold intolerance; diarrhea (more common with dicumarol); loss of appetite; nausea or vomiting (more common with dicumarol); stomach cramps or pain

These medicines sometimes cause temporary loss of hair on the scalp.

Depending on your diet, anisindione may cause your urine to turn orange. Since it may be hard to tell the difference between blood in the urine and this normal color change, check with your doctor if you notice any color change in your urine.

Other side effects not listed above may also occur in some patients. If you notice any other effects, check with your doctor.

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Anticoagulants: Precautions


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