A client with CKD stage 5 takes sevelamer for hyperphosphate… | MyMerci
Medical Emergencies PA
Question

A client with CKD stage 5 takes sevelamer for hyperphosphatemia. Which administration instruction is most important?

Explanation
Correct (2): Sevelamer binds dietary phosphate — must take WITH meals to be effective. Separate other medications (especially ciprofloxacin, levothyroxine, mycophenolate, tacrolimus) by ≥1h before or ≥3h after. Common: constipation, dyspepsia. (1,3) Reduces effectiveness. (4) Scheduled.

In-depth explanation

Memory Tip Phosphate binders = "With meals." Sevelamer (non-calcium, expensive). Calcium acetate (cheap but Ca load). Lanthanum, ferric citrate alternatives.

Clinical scenario

Scenario 58-year-old male CKD stage 5 on sevelamer 800 mg PO TID. Outpatient teaching.

Key concepts

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For study reference only. Always follow current clinical guidelines and your institution’s protocols.