 <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]  activity as directed by your doctor. Do not share personal items (such as needles/syringes, toothbrushes, and razors) that may have contacted blood or other body fluids. Consult your doctor or pharmacist for more details. How to use Rukobia 600 Mg Tablet,Extended Release Antiretroviral HIV - CD4 Attachment Inhibitors Read the Patient Information Leaflet if available from your pharmacist before you start taking fostemsavir and each time 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. Swallow the tablets whole. Do not chew, crush, or split the tablets. Doing so can release all of the drug at once, increasing the risk of side effects. The dosage is based on your medical condition and response to treatment. You may smell a slight odor (like vinegar) from the tablets. This is normal. It is very important to keep taking this medication (and other HIV medications) exactly as prescribed by your doctor. Do not skip any doses. For the best effect, take this medication regularly. To help you remember, take this medication at the same times every day. </s>