Treatment of Constipation in a 6-Year-Old Child with HFMD
For a 6-year-old child with hand, foot, and mouth disease who hasn't had a bowel movement for 2 days, treat the constipation symptomatically while ensuring adequate hydration and continuing normal feeding, as HFMD itself is self-limiting and does not require specific intervention. 1, 2
Immediate Assessment
- Evaluate the child's hydration status by examining skin turgor, mucous membranes, mental status, pulse, and capillary refill time 3, 4
- Assess for signs of dehydration: mild (3-5% fluid deficit) presents with increased thirst and slightly dry mucous membranes; moderate (6-9% deficit) shows loss of skin turgor and dry mucous membranes; severe (≥10% deficit) manifests as lethargy, prolonged skin tenting, cool extremities, and decreased capillary refill 3
- Weigh the child to establish baseline for monitoring 3, 4
- Examine for oral ulcers and vesicular rashes that may be limiting oral intake 1, 2
Hydration Management
- If the child shows any signs of dehydration, administer oral rehydration solution (ORS) containing 50-90 mEq/L sodium: for mild dehydration give 50 mL/kg over 2-4 hours; for moderate dehydration give 100 mL/kg over 2-4 hours 3, 4, 5
- If the child is well-hydrated, encourage increased fluid intake through water and age-appropriate beverages to soften stool 3
- Avoid apple juice, Gatorade, and commercial soft drinks for rehydration purposes 3
Feeding Recommendations
- Continue normal age-appropriate diet without restriction, as HFMD is self-limiting and typically resolves within a few days 1, 6
- Offer soft, bland foods if oral ulcers are causing discomfort 1, 7
- Do not withhold or modify regular feeding unless severe dehydration is present 4
Constipation Treatment
- For a 6-year-old child with 2 days of constipation, consider lactulose at an initial dose of 40-90 mL daily in divided doses, adjusted to produce 2-3 soft stools daily 8
- If diarrhea develops from lactulose, reduce the dose immediately and discontinue if diarrhea persists 8
- Monitor bowel movements and adjust treatment based on response 8
Supportive Care for HFMD
- Provide symptomatic relief for fever and discomfort with age-appropriate analgesics 1, 6
- Maintain good hygiene to prevent transmission, as HFMD is highly contagious 1, 2, 7
- Reassure parents that HFMD is typically self-limiting and resolves within days without complications in most cases 1, 6
Monitoring and Follow-up
- Reassess hydration status after 2-4 hours if rehydration was initiated 3, 4
- Monitor for severe complications such as neurological symptoms (lethargy, altered mental status, seizures), respiratory distress, or persistent high fever, which would require immediate medical evaluation 1, 2, 9
- Follow up on bowel function within 24-48 hours to ensure constipation is resolving 8
Key Clinical Pearls
- HFMD has no specific pharmacological intervention and treatment remains supportive 1, 2
- Constipation in the context of HFMD may result from decreased oral intake due to painful oral ulcers or general malaise 1, 7
- Most HFMD cases resolve spontaneously, but children under 3 years have higher risk of severe complications including brain stem encephalitis 9
- Antidiarrheal agents are contraindicated in all children under 2 years if diarrhea develops 4