Kaldyum (Potassium Chloride)

Kaldyum, an oral electrolyte supplement, is used to treat conditions related to potassium deficiency.

• Hypokalemia: restores normal serum potassium levels and supports cardiac and muscular function.
• Potassium deficiency due to diuretic therapy: replenishes potassium lost during diuretic use.
• Renal tubular acidosis type 1 (distal): helps correct potassium loss associated with the disorder.

• Potassium chloride provides potassium ions that are absorbed in the gastrointestinal tract and enter the extracellular fluid. The increased extracellular potassium concentration shifts the potassium gradient, facilitating cellular repolarization and supporting the activity of Na+/K+-ATPase pumps, thereby correcting hypokalemia and maintaining normal electrical activity of nerves and muscles. Adequate potassium levels also contribute to proper renal function and acid‑base balance.

Potassium chloride may cause a range of adverse reactions, from mild to serious.

Common Side Effects

• Gastrointestinal irritation: nausea, abdominal discomfort, or vomiting.
• Taste disturbance: metallic or salty taste in the mouth.
• Transient hyperkalemia: mild elevation of serum potassium that resolves with dose adjustment.

Serious or Rare Side Effects

• Severe hyperkalemia: marked increase in serum potassium leading to cardiac arrhythmias.
• Allergic reaction: rash, itching, or swelling of the face, lips, or tongue.
• Electrolyte imbalance: significant shifts causing muscle weakness or paralysis.

When prescribing potassium chloride, clinicians should consider several safety precautions to minimize risk.

• Assess baseline serum potassium: confirm hypokalemia before initiating therapy.
• Monitor renal function: impaired kidneys reduce potassium excretion and increase hyperkalemia risk.
• Avoid concurrent potassium‑sparing diuretics: may potentiate potassium excess.
• Adjust dose in elderly patients: age‑related renal decline may require lower doses.
• Review concomitant medications that affect potassium levels: ACE inhibitors, ARBs, NSAIDs.
• Store at ambient temperature: keep below 25 °C in the original container, protect from moisture and direct sunlight.

Potassium chloride can interact with several medicines, altering potassium balance or drug effects.

Major Interactions (Avoid)

• ACE inhibitors, ARBs, or aldosterone antagonists: combined use can cause dangerous hyperkalemia.
• Potassium‑sparing diuretics (e.g., spironolactone, amiloride): increase risk of severe hyperkalemia.
• Renin‑angiotensin system blockers: may amplify potassium retention leading to cardiac complications.

Moderate Interactions (Monitor Closely)

• Non‑steroidal anti‑inflammatory drugs (NSAIDs): can reduce renal potassium excretion, requiring monitoring.
• Beta‑blockers: may mask symptoms of hypoglycemia and affect potassium homeostasis.
• Digoxin: high potassium levels can diminish digoxin efficacy and increase toxicity risk.