 <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]  of the blood. How to use Nystatin Take this medication by mouth with or without food as directed by your doctor, usually 3 times a day. It may take from several days to several months to complete treatment. Use this medication regularly in order to get the most benefit from it. Remember to use it at the same times each day. The dosage is based on your medical condition and response to treatment. Continue to take this medication until the full prescribed amount is finished, even if symptoms disappear after a few days. Stopping the medication too early may allow the infection to continue, resulting in a return of the infection. Tell your doctor if your condition lasts after several days of treatment or gets worse at any time.The side effects of Nystatin Oral: Diarrhea, nausea, vomiting, or stomach upset may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly. 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. Tell your doctor right away if you have any serious side effects, including fast heartbeat, shortness of breath, muscle pain. A very serious allergic reaction to this </s>