 <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]  you are using marijuana (cannabis). Before having surgery, tell your doctor or dentist about all the products you use (such as prescription drugs, nonprescription drugs, and herbal products). Women and older adults may be more sensitive to the side effects of this drug, especially increased risk of infection and easy bruising/bleeding. Men should not donate sperm while using temozolomide and for 3 months after stopping this drug. Tell your doctor if you are pregnant or plan to become pregnant. You should not become pregnant while using temozolomide. Temozolomide may harm an unborn baby. Your doctor should order a pregnancy test before you start this medication. Women using this medication should ask about reliable forms of birth control during treatment and for 6 months after the last dose. Men using this medication who have a partner that is pregnant or who can become pregnant should use condoms for birth control during treatment and for 3 months after the last dose. If you or your partner becomes pregnant, talk to your doctor right away about the risks and benefits of this medication. It is unknown if this drug passes into breast milk. Because of the possible risk to the infant, breast-feeding is not recommended while using this drug and for at least 1 week after stopping treatment </s>