 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST]  not listed above, contact your doctor or pharmacist. In the US - Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch. In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.The precautions of Arixtra Subcutaneous: 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 </s>