 <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] . Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company.The uses of Aprepitant Oral: Aprepitant is used with other medications to help prevent nausea and vomiting caused by cancer drug treatment (chemotherapy). Aprepitant works by blocking one of the body's natural substances (substance P/neurokinin 1) that causes vomiting.This medication will not treat nausea or vomiting that has already started. Ask your doctor what you should do if you already have nausea or vomiting. How to use Aprepitant Read the Patient Information Leaflet if available from your pharmacist before you start taking aprepitant and each time you get a refill. If you are taking the liquid form of this medication, read the Instructions for Use sheet for directions on the proper use of this medication. If you have any questions, ask your doctor or pharmacist. Take this medication by mouth with or without food as directed by your doctor. If you are taking capsules, swallow the capsules whole. Take the first dose as directed by your doctor, usually 1 hour before the start of chemotherapy. </s>