 <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]  kidney disease, a certain type of viral infection (infectious mononucleosis). Ampicillin may cause live bacterial vaccines (such as typhoid vaccine) to not work well. Tell your health care professional that you are using ampicillin before having any immunizations/vaccinations. Older adults may be at greater risk for side effects while using this drug. During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor. Ampicillin passes into breast milk. Consult your doctor before breast-feeding.The interactions of Ampicillin Oral: 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. Some products that may interact with this drug include: methotrexate, tetracyclines. This medication may interfere with certain lab tests (such as certain diabetic urine tests), possibly causing false test results. Make sure lab personnel and all your doctors know you use this drug. Does Am </s>