Molaxole (Sodium Hydrogen Carbonate, Potassium Chloride, Sodium Chloride, Macrogol 3350)

Molaxole is an oral osmotic laxative used in conditions that require stool softening or bowel cleansing.

• Constipation: softens stool and increases bowel frequency through osmotic water retention.
• Bowel preparation for colonoscopy: facilitates thorough cleansing of the colon before endoscopic examination.
• Irritable bowel syndrome with constipation: helps regulate bowel movements and reduce discomfort.

• Macrogol 3350 is a high‑molecular‑weight polyethylene glycol that is poorly absorbed in the gastrointestinal tract. It retains water in the intestinal lumen by creating an osmotic gradient, increasing stool volume and softness. The accompanying electrolytes (sodium hydrogen carbonate, potassium chloride, sodium chloride) help maintain electrolyte balance while the osmotic effect promotes peristalsis and facilitates bowel evacuation.

Molaxole may cause a range of adverse reactions, most of which are mild and transient.

Common Side Effects

• Nausea: mild stomach upset after ingestion.
• Abdominal bloating: sensation of fullness due to retained fluid.
• Flatulence: increased intestinal gas production.
• Diarrhea: loose stools if the dose is higher than needed.
• Mild electrolyte disturbance: slight changes in sodium or potassium levels.

Serious or Rare Side Effects

• Severe dehydration: excessive fluid loss leading to low blood pressure.
• Significant electrolyte imbalance: marked hyponatremia or hyperkalemia.
• Allergic reaction: rash, itching, or swelling of the face and throat.
• Severe abdominal pain: persistent or worsening pain requiring medical evaluation.
• Colonic perforation: extremely rare but serious intestinal injury.

Before using Molaxole, consider the following safety measures.

• Renal function assessment: evaluate kidney status to avoid fluid overload.
• Electrolyte monitoring: check serum sodium and potassium especially in long‑term use.
• Bowel obstruction: avoid in patients with known mechanical obstruction.
• Hypersensitivity: discontinue if allergic reactions occur.
• Duration of therapy: limit use to the shortest effective period.
• Store at ambient temperature: keep in the original pack, protect from moisture.

Molaxole can interact with other medicines that affect fluid or electrolyte balance.

Major Interactions (Avoid)

• Concomitant osmotic laxatives: risk of severe dehydration and electrolyte loss.
• Loop diuretics: may exacerbate potassium depletion.
• ACE inhibitors or ARBs: potential for additive hyperkalemia.
• NSAIDs: increased risk of renal impairment.

Moderate Interactions (Monitor Closely)

• Anticholinergic agents: may reduce laxative efficacy.
• Calcium or magnesium supplements: could alter electrolyte profile.
• Oral rehydration solutions: monitor total fluid intake to prevent overload.