Natriumhydrogencarbonat Serag-Wiessner (Sodium Hydrogen Carbonate)

Sodium hydrogen carbonate is used to address disturbances in acid‑base balance and electrolyte homeostasis.

• Metabolic acidosis: restores normal pH by providing bicarbonate ions, improving cellular function.
• Electrolyte imbalance: corrects low serum bicarbonate and supports overall electrolyte stability.
• Urine alkalinization: raises urinary pH to facilitate excretion of certain toxins and improve drug solubility.

• Sodium hydrogen carbonate dissociates in plasma to release bicarbonate ions, which combine with excess hydrogen ions to form carbonic acid. This reaction is catalyzed by carbonic anhydrase, leading to rapid buffering of acidemia and restoration of systemic pH toward normal physiological levels.

Sodium hydrogen carbonate may cause adverse reactions, most of which are related to rapid shifts in acid‑base status or electrolyte concentrations.

Common Side Effects

• Hypernatremia: elevated serum sodium levels.
• Metabolic alkalosis: over‑correction of acidosis.
• Local irritation: pain or erythema at the infusion site.
• Hypokalemia: reduced serum potassium due to intracellular shift.
• Fluid overload: volume expansion in susceptible patients.

Serious or Rare Side Effects

• Cardiac arrhythmias: secondary to electrolyte disturbances.
• Pulmonary edema: from rapid fluid administration.
• Severe hypertension: linked to sodium load.
• Cerebral edema: in extreme alkalosis.
• Anaphylactoid reactions: rare hypersensitivity to the formulation.

Sodium hydrogen carbonate should be administered with careful clinical monitoring.

• Renal function: assess kidney performance before and during therapy.
• Cardiac status: use cautiously in patients with heart failure or hypertension.
• Electrolyte monitoring: regularly check serum bicarbonate, sodium, potassium, and pH.
• Acid‑base balance: avoid rapid over‑correction to prevent alkalosis.
• Compatibility: verify compatibility with other IV solutions before mixing.
• Store at 2-8°C: keep refrigerated, protect from light, do not freeze.

Sodium hydrogen carbonate can interact with several agents, requiring attention to dosing and monitoring.

Major Interactions (Avoid)

• Calcium‑containing solutions: may precipitate, reducing efficacy.
• Blood products: can cause rapid alkalinization of plasma.
• Certain antibiotics (e.g., aminoglycosides): may alter renal handling and increase nephrotoxicity.

Moderate Interactions (Monitor Closely)

• Loop diuretics: may enhance bicarbonate loss, necessitating electrolyte checks.
• Potassium supplements: risk of hypokalemia when combined.
• Antacids containing bicarbonate: additive alkalinizing effect may lead to metabolic alkalosis.