Arixtra Dosage & Precautions

See also Warning section.

Before using fondaparinux, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients (such as dry natural rubber/latex in the needle cover on the prefilled syringe), which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using fondaparinux, tell your doctor or pharmacist your medical history, especially of: infection in the heart (bacterial endocarditis), current serious bleeding (such as bleeding ulcer), low platelet count because of antiplatelet antibody, bleeding/blood problems (such as low blood count/platelets), a past blood-clotting problem because of heparin (heparin-induced thrombocytopenia), a certain eye problem (diabetic retinopathy), high blood pressure, kidney disease, seizures, 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), low body weight (less than 50 kilograms/110 pounds).

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.

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 right away.

It is unknown if this drug passes into breast milk. Consult your doctor before breast-feeding.

Overdose

If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center. Symptoms of overdose may include: excessive bleeding and bruising.

Missed Dose

If you miss a dose, use it as soon as you remember. If it is near the time of the next dose, skip the missed dose. Use your next dose at the regular time. Do not double the dose to catch up.