 <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]  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 Tazicef Intravenous: Before using ceftazidime, tell your doctor or pharmacist if you are allergic to it; or to other antibiotics (such as penicillins, other cephalosporins); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details. Before using this medication, tell your doctor or pharmacist your medical history, especially of: kidney disease, stomach/intestinal diseases (such as colitis). Ceftazidime may cause live bacterial vaccines (such as typhoid vaccine) to not work well. Tell your health care professional that you are using ceftazidime 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). Tell your doctor if you are pregnant before using this medication. This medication passes into breast milk in small amounts and </s>