 <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 get a refill. If you have any questions, ask your doctor or pharmacist. Take this medication by mouth with or without food as directed by your doctor, usually twice daily. The dosage is based on your medical condition and response to treatment. When you first start taking this medication, you will usually take it once daily. To reduce your risk of side effects, your doctor may direct you to start this medication at a low dose and gradually increase your dose. Follow your doctor's instructions carefully. If you are taking memantine oral liquid, read the manufacturer's instruction sheet that comes with the bottle. Follow the directions exactly. Use the oral syringe that comes with the product to measure out your dose. Do not use a household spoon because you may not get the correct dose. Swallow the medication directly from the syringe. Do not mix it with water or other liquids. Rinse the syringe with water after each use. Consult your doctor or pharmacist if you have any questions. Use this medication regularly to get the most benefit from it. To help you remember, take it at the same time(s) each day. Tell your doctor if your condition worsens.The side effects of Memantine Oral: Body aches, dizziness, constipation </s>