 <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]  safely. Limit alcoholic beverages. Talk to your doctor if you are using marijuana (cannabis). (See also Side Effects section.) Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products). During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor. Levodopa passes into breast milk in small amounts and may affect how much milk you make. It is unknown if carbidopa passes into breast milk. Consult your doctor before breast-feeding.The interactions of Duopa J-Tube: 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: antipsychotic drugs (such as chlorpromazine, haloperidol, thioridazine), certain drugs to treat high blood pressure (such as methyldopa), products containing iron (such as </s>