Which laxative is preferred for functional constipation in children due to fewer side effects and greater effectiveness?

Which laxative is preferred for functional constipation in children due to fewer side effects and greater effectiveness?

• A. Lactulose
• B. Senna
• C. Magnesium hydroxide
• D. Polyethylene glycol (PEG)

Answer: (D)

Functional constipation in children is best managed with an osmotic laxative that provides reliable stooling with minimal side effects. Polyethylene glycol works by drawing water into the colon, softening stools, and increasing frequency without significant shifts in electrolytes. This combo—strong effectiveness in improving stool consistency and frequency, plus good tolerability—makes it the preferred option. Other laxatives have drawbacks: lactulose often causes gas, bloating, and cramping; senna is a stimulant laxative that can cause abdominal cramping and cramping-related discomfort; magnesium hydroxide can lead to electrolyte imbalances and dehydration, especially in kids with limited fluid intake or renal issues. So, polyethylene glycol offers the best balance of safety and efficacy for pediatric functional constipation.

Functional constipation in children is best managed with an osmotic laxative that provides reliable stooling with minimal side effects. Polyethylene glycol works by drawing water into the colon, softening stools, and increasing frequency without significant shifts in electrolytes. This combo—strong effectiveness in improving stool consistency and frequency, plus good tolerability—makes it the preferred option. Other laxatives have drawbacks: lactulose often causes gas, bloating, and cramping; senna is a stimulant laxative that can cause abdominal cramping and cramping-related discomfort; magnesium hydroxide can lead to electrolyte imbalances and dehydration, especially in kids with limited fluid intake or renal issues. So, polyethylene glycol offers the best balance of safety and efficacy for pediatric functional constipation.