 <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] ra Subcutaneous: See also Warning section. Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval. This medication may interfere with certain tests (including certain blood sugar tests, blood type, Coombs test), possibly causing false test results. This can lead to serious (possibly fatal) consequences. Tell all lab personnel and all your doctors and pharmacists that you use this medication, and which type of blood sugar testing strips you use. Does Hizentra Vial interact with other drugs you are taking? Enter your medication into the WebMD interaction checker Check InteractionThe overdose of Hizentra Subcutaneous: 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.  Notes Do not </s>