 <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]  few weeks for the full benefits of the drug to be noticed. Talk with your doctor if the medication stops working well or if your condition worsens.The side effects of Zelapar Oral: Dizziness, abdominal pain, dry mouth, nausea, stomach upset, trouble sleeping, and headache may occur. Redness, pain, and swelling of the mouth/throat may also occur. If any of these effects last or get worse, notify your doctor or pharmacist promptly. To reduce the risk of dizziness and lightheadedness, get up slowly when rising from a sitting or lying position. If you are also taking levodopa, you may experience more side effects from the levodopa when taking selegiline. Tell your doctor right away if any of these side effects occur: nausea, shakiness, muscle stiffness, mental/mood changes such as hallucinations/abnormal dreams. Your doctor may need to change your medication or dose. Do not stop or change the dose of your levodopa without talking with your doctor first. Remember that this medication has been prescribed because your doctor has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects. Some people taking se </s>