 <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]  home, learn all preparation and usage instructions from your health care professional. Before using, check this product visually for particles or discoloration. If either is present, do not use the liquid. Learn how to store and discard medical supplies safely. Use this medication regularly to get the most benefit from it. To help you remember, use it at the same times each day. Your doctor may direct you to switch to an anticoagulant taken by mouth (such as warfarin). Use this medication and any new medication exactly as directed by your doctor.The side effects of Heparin, Porcine (PF) Injection: Mild pain/redness/irritation at the injection site may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly. Remember that this medication has been prescribed because your doctor has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects. Tell your doctor right away if you have any serious side effects, including: swelling at injection site, bone pain, easily broken bones. This medication can cause bleeding if its effect on your clotting proteins is too much. Tell your doctor right away if you develop any signs </s>