 <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]  very important to follow the diet to get the most benefit from this medication and prevent serious side effects. Do not take other supplements/vitamins unless ordered by your doctor. If you are unsure about how to take this medication, ask your doctor or pharmacist.The side effects of Potassium And Sodium Phosphates Oral: Nausea, vomiting, diarrhea, headache, dizziness, or stomach/abdominal pain 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 medication, remember that 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. When this medication is first started, there is a chance an old kidney stone will be passed. Tell your doctor right away if you develop any symptoms of a kidney stone passing, including: painful/frequent urination, sudden/severe pain in the side/back/abdomen, blood in the urine. Tell your doctor right away if you have any serious side effects, including: bone/joint pain, muscle cramps, swelling ankles/feet, sudden weight gain, fast/irregular heartbeat, signs of </s>