A client on furosemide is prescribed PO potassium chloride 2… | MyMerci
Medical EmergenciesPA
Question
A client on furosemide is prescribed PO potassium chloride 20 mEq/day. Which client statement indicates correct teaching?
1"I will crush the extended-release tablet for easier swallowing."
2"I will take this medication with a full glass of water and food to prevent GI irritation; I will not crush extended-release tablets."✓ Correct answer
3"I will take the medication on an empty stomach to maximize absorption."
4"I will increase fluid restriction to 1 L/day."
Explanation
Correct (2): PO KCl causes GI irritation and ulceration; take with full glass of water and food. Do not crush extended-release tablets (dose dumping → severe GI ulcer). Monitor K+ periodically with diuretics. (1) Empty stomach causes irritation. (3) Crushing dangerous. (4) Adequate fluid needed.
In-depth explanation
Memory Tip PO KCl = "With water and food, never crush ER." Salt substitutes contain KCl — caution with ACEi/ARB/spironolactone (hyperkalemia).
Clinical scenario
Scenario 68-year-old female with HF on furosemide, K+ 3.4. PO KCl 20 mEq/day ordered. Outpatient teaching.
Key concepts
PO potassium chloride — Replaces K loss in loop/thiazide diuretics; ER formulation common.
KCl GI irritation — Pill esophagitis and ulcer risk; take with food and water.
Salt substitute — Contains KCl; can cause hyperkalemia with K-sparing drugs.