 <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] acist for more details. Before using this medication, tell your doctor or pharmacist your medical history, especially of: kidney disease, liver disease, radiation treatment. Pemetrexed can make you more likely to get infections or may make current infections worse. Stay away from anyone who has an infection that may easily spread (such as chickenpox, COVID-19, measles, flu). Talk to your doctor if you have been exposed to an infection or for more details. Tell your health care professional that you are using pemetrexed before having any immunizations/vaccinations. Avoid contact with people who have recently received live vaccines (such as flu vaccine inhaled through the nose). To lower the chance of getting cut, bruised, or injured, use caution with sharp objects like razors and nail cutters, and avoid activities such as contact sports. Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products). This medication can affect fertility in males. Ask your doctor for more details. Tell your doctor if you are pregnant or plan to become pregnant. You should not become pregnant while using pemetrexed. Pemetrexed may harm an unborn baby. Your doctor should order </s>