 <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]  original package just before taking. Take this medication by mouth with or without food as directed by your doctor, usually once a day. This product works best when the amount of drug in your body is kept at a constant level. Take this product at evenly spaced intervals. To help you remember, take it at the same time each day. Continue to take this product for the full length of time prescribed, even if symptoms disappear after a short time. Stopping the medication too early may result in a return of the infection.The side effects of Zepatier Oral: See also Warning section. Tiredness, headache, or nausea may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly. Remember that this product 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 product do not have serious side effects. A very serious allergic reaction to this product is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing. This is not a complete list of possible side effects. If </s>