 <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]  this medication even if you feel well. Most people with high cholesterol or triglycerides do not feel sick. It is very important to continue to follow your doctor's advice about diet and exercise. It may take up to 4 weeks before you get the full benefit of this drug.The side effects of Vytorin 10-10 Oral: 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. A very small number of people taking simvastatin may have mild memory problems or confusion. If these rare effects occur, talk to your doctor. Rarely, statins may cause or worsen diabetes. Talk to your doctor about the benefits and risks. This drug may rarely cause muscle problems (which can rarely lead to very serious conditions called rhabdomyolysis and autoimmune myopathy). Older adults and Chinese people may be at higher risk. Tell your doctor right away if you develop any of these symptoms during treatment and if these symptoms last after your doctor stops this drug: muscle pain/tenderness/weakness (especially with fever or unusual tiredness), signs of kidney problems (such as change in the amount of urine). This </s>