 <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]  years old. Take this medication by mouth usually as a single dose, with or without food at any time of the day, or as directed by your doctor. The effect of this medication continues for several days. If your condition does not improve after a few days or if it worsens, or if you think you may have a serious medical problem, get medical help right away.The side effects of Diflucan Oral: Nausea, diarrhea, stomach pain, headache, or dizziness may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly. If your doctor has directed you to use this product, remember that 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. Get medical help right away if you have any very serious side effects, including: fast/irregular heartbeat, severe dizziness, fainting. This drug may rarely cause serious liver disease. Get medical help right away if you develop any signs of liver disease, including: nausea/vomiting that doesn't stop, severe stomach/abdominal pain, yellowing eyes/skin, dark urine, unusual tiredness. A very serious allergic </s>