PRECAUTIONS: See also Warning section.Before using tinzaparin, tell your doctor or pharmacist if you are allergic to it; or to heparin or pork products; or if you have any other allergies. This product may contain inactive ingredients (such as sulfites, benzyl alcohol), which can cause allergic reactions or other problems. Talk to your pharmacist for more details.Before using tinzaparin, tell your doctor or pharmacist your medical history, especially of: a past blood-clotting problem because of heparin (heparin-induced thrombocytopenia), artificial heart valves, bleeding/blood problems (such as low platelet count, bleeding ulcer), a certain eye problem (diabetic retinopathy), high blood pressure, infections in the heart (bacterial endocarditis), kidney disease, liver disease, stomach/intestinal problems (such as recent ulcers, colitis), stroke, recent spinal procedures or puncture, spine problems (such as spinal deformity), recent surgery (especially on the eye, brain, or spine).Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).Limit alcohol while taking this drug because it may increase the risk of stomach bleeding.To lower the chance of getting cut, bruised, or injured, use caution with sharp objects like razors and nail cutters, and avoid activities such as contact sports.Older adults may be more sensitive to the side effects of this drug, especially bleeding. If you are elderly and have kidney problems, your doctor may stop tinzaparin and prescribe a different medication for your condition. Consult your doctor for more details.During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor. If you become pregnant or think you may be pregnant, tell your doctor immediately. Since the benzyl alcohol in tinzaparin can affect the unborn baby, a preservative-free product should be used by pregnant women if possible.It is unknown if this drug passes into breast milk. Consult your doctor before breast-feeding.
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