Therapy	Dosage
Oral
Polyethylene glycol (Miralax)*	1 to 1.5 g per kg per day
Lactulose	1 mL per kg twice per day for up to 12 weeks
Magnesium citrate	4 mL per kg per day
Rectal
Enemas (1 per day for 3 to 6 days)
Saline	5 to 10 mL per kg, administered in the evening
Mineral oil	15 to 30 mL per year of age up to 240 mL
Sodium phosphate	< 2 years: should not be used because of the risk of electrolyte abnormality
	2 to 4 years: 1 oz on 2 to 3 consecutive evenings
	5 to 11 years: 2.25 oz on 2 to 3 consecutive evenings
	12 years: 4.5 oz on 2 to 3 consecutive evenings
Suppository (1 per day)
Bisacodyl (Dulcolax)	≥ 2 years: 5 to 10 mg (0.5 to 1 suppository)
Glycerin*	0.5 to 1 infant suppository for those up to five years of age; adult suppository for those ≥ 6 years
Other
Manual (rarely used; general anesthesia needed)	—