 <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. Penicillin may cause live bacterial vaccines (such as typhoid vaccine) to not work well. Tell your health care professional that you are using penicillin before having any immunizations/vaccinations. Certain products of this medication contain sodium. Consult your doctor or pharmacist if you are on a salt-restricted diet or if you have a condition that could be worsened by an increase in salt intake (such as congestive heart failure). Certain products of this medication contain potassium. Consult your doctor or pharmacist if you are taking potassium supplements, salt substitutes containing potassium, or medications that can increase potassium (including ACE inhibitors such as lisinopril), or if you have a high potassium level (hyperkalemia). Older adults may be at greater risk for side effects while using this drug. Newborns and infants 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. This drug passes into breast milk. Consult your doctor before breast-feeding.The interactions of Penicillin G Sodium Injection: 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 </s>