 <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]  intake (such as heart failure, high blood pressure). Piperacillin/tazobactam may cause live bacterial vaccines (such as typhoid vaccine) to not work well. Tell your health care professional that you are using piperacillin/tazobactam before having any immunizations/vaccinations. Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products). Older adults may be more sensitive to the extra sodium in this medication. During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor. This medication passes into breast milk in small amounts. Consult your doctor before breast-feeding.The interactions of Piperacillin-Tazobactam Intravenous: 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. One product that may interact with this drug is: methotrex </s>