Neonatal Drug Therapy Manual

Potassium Chloride

Disclaimer: Official controlled document is the CHEO and Ottawa Hospital online copy. It is the responsibility of user to ensure that any paper copy version is the same as the online version before use.

Alternate Name(s): 
KCl
Classification: 
Electrolyte
Original Date: 
June 1996
Revised Date: 
October 2010
Indications: 
  • Treatment/prevention of hypokalemia
Administration: 
  • IV intermittent infusion: In Critical Care Areas at CHEO (PICU, NICU)

Central line only:

  • Usual dilution: 0.5 mmol/mL = 500 mmol/L in D5W
  • Infusion rate: 0.5 mmol/kg/hr (maximum dose/rate: 1 mmol/kg over 2 hours)
  •  IV continuous infusion

Peripheral line:

  • Usual dilution: 20 - 40 mmol/L
    • (CHEO maximum: 60 mmol/L)   (TOH maximum: 40 mmol/L)
  • Infusion rates: normally less than 0.25 mmol/kg/hr & do not exceed 0.5 mmol/kg/hr

Central line:

  • Usual dilution: 20 - 60 mmol/L
    • (CHEO maximum: 160 mmol/L)    (TOH maximum: 60 mmol/L)
  • Infusion rates: normally less than 0.25 mmol/kg/hr & do not exceed 0.5 mmol/kg/hr
  •  PO
Dosage: 
  • Acute hypokalemia:
    •  0.5 - 1 mmol/kg IV over 2 hours (maximum rate: 0.5 mmol/kg/hr) or PO

** For serum potassium < 2.5 mmol/L, attending neonatalogist on call should be notified

  • Maintenance: 2 - 3 mmol/kg/day IV/PO
Side Effects: 
  • CVS: arrhythmias/arrest with rapid IV infusion, hypotension
  • Endocrine and metabolic: hyperkalemia
  • GI: diarrhea, vomiting with oral use
  • Local: thrombophlebitis/pain at peripheral IV site
Parameters to Monitor: 
  • BP, HR
  • GI intolerance
  • Injection site
  • Potassium levels

 

Compatibility: 

- Solutions Compatible : D5W, D10W, dextose-saline combinations, 0.9% NaCl

- Y-site Compatible: acyclovir, ampicillin, dobutamine, dopamine, fentanyl, furosemide,  midazolam, morphine, sodium bicarbonate

Incompatible: amphotericin B, phenytoin

Notes: 

For serum potassium < 2.5 mmol/L, attending neonatologist on call should be notified

References: 

- Taketomo CK, Hodding JH, Kraus DM. Pediatric Dosage Handbook 17th Edition. Hudson: Lexi-Comp Inc; 2010

- Trissel LA.  Handbook on Injectable Drugs 15th Edition. Bethesda, Maryland; American Society of Health-System Pharmacists. 2009

The information contained on this website is provided for informational purposes only, as a guide to assist physicians, nurses and other healthcare providers in deciding on the appropriate care required for a particular patient. At all times, physicians, nurses and other healthcare providers must exercise their independent clinical judgment, based on their knowledge, training and experience, taking into account the specific facts and circumstances of each patient, when deciding on the appropriate course of investigation and/or treatment to recommend in a particular clinical situation.

CHEO has made every effort to ensure that the information contained on this website is as current and accurate as possible. However, changes can occur due to ongoing research and the constant influx of new information. Where possible, hospitals and healthcare practitioners should verify the information before acting on it.

Reliance on any information in this website is at the user's own risk. CHEO is not responsible or liable for any harm, loss or other consequences from the use or misuse of the information on this website.