Sodium Load Associated with Sodium Bicarbonate Administration

Dose‑Sodium Equivalence

• The amount of sodium delivered equals the administered bicarbonate dose; each milliequivalent of sodium bicarbonate provides one milliequivalent of sodium. 1

Indication‑Specific Dosing

• Hyperkalemia treatment (adult): An intravenous dose of 50 mEq sodium bicarbonate delivers 50 mEq of sodium. [1][3]
• Sodium‑channel blocker toxicity (adult): A bolus of 50–150 mEq sodium bicarbonate delivers an equivalent 50–150 mEq of sodium. [2][4]
• Metabolic acidosis in pediatric patients: A dose of 1–2 mEq /kg of sodium bicarbonate delivers 1–2 mEq /kg of sodium. [5][6]

Safety Monitoring

• Clinicians should monitor serum sodium and avoid levels exceeding 150–155 mEq/L during alkalinization therapy. 2
• A 50 mEq dose of sodium bicarbonate contributes roughly 1,150 mg of elemental sodium; this substantial load must be considered in patients with fluid overload, cardiac dysfunction, or elevated blood pressure. [1][2]