Constulose Dosage
Generic name: LACTULOSE 10g in 15mL
Dosage form: oral solution
Drug class: Laxatives
Medically reviewed by Drugs.com. Last updated on May 22, 2025.
The usual dose is 1 to 2 tablespoonfuls (15 to 30 mL, containing 10 g to 20 g of lactulose) daily. The dose may be increased to 60 mL daily if necessary. Twenty-four to 48 hours may be required to produce a normal bowel movement.
Note: Some patients have found that lactulose solution may be more acceptable when mixed with fruit juice, water or milk.
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Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
