Jantoven Warnings and Precautions
In order to ensure the safe use of Jantoven, warnings and precautions for the medication should be discussed with your healthcare provider before treatment begins. Ongoing monitoring (using blood tests) is essential in preventing serious problems such as blood clots, strokes, or internal bleeding. It is important to tell your healthcare provider about all other drugs you are taking, as many medications interact with Jantoven.
You should talk with your healthcare provider prior to taking Jantoven® (warfarin sodium) if you have:
- Inflammation of the sac the surrounds the heart (called the pericardium)
- A bacterial infection of the endocardium (the inner layer of the heart)
- A condition (such as a mental illness) that limits the ability to follow instructions carefully
- Had a negative reaction to heparin
- Liver disease, such as liver failure, cirrhosis, or hepatitis
- Kidney disease, such as kidney failure
- A bleeding disorder
- Intestinal or stomach ulcers or bleeding
- Bleeding in the brain
- An aneurysm
- High blood pressure
- A clotting disorder known as protein C deficiency
- Polycythemia vera (a condition involving excess red blood cells)
- Vasculitis (a blood vessel disorder)
- An indwelling bladder catheter
- Any allergies, including allergies to food, dyes, or preservatives.
Also, let your healthcare provider know if you:
- Will be having surgery or spinal anesthesia or puncture (such as a spinal tap)
- Are pregnant or thinking of becoming pregnant
- Are breastfeeding.
Make sure to tell your healthcare provider about any other medications you are taking, including prescription and non-prescription medicines, vitamins, and herbal supplements.