 <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]  talk to your doctor right away about the risks and benefits of mesna and the chemotherapy drug. It is unknown if this drug passes into breast milk. Since mesna is given with a chemotherapy drug, breast-feeding while using this medication is not recommended during treatment and for 1 week after the last dose of mesna or the chemotherapy drug. Consult your doctor before breast-feeding.The interactions of Mesnex 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. This medication may interfere with certain lab tests (such as urine ketone test), possibly causing false test results. Make sure lab personnel and all your doctors know you use this drug. Does Mesnex Vial interact with other drugs you are taking? Enter your medication into the WebMD interaction checker Check InteractionThe overdose of Mesnex Intravenous: If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911 </s>