Kristalose

Kristalose is a prescription brand-name laxative containing lactulose, a synthetic sugar. It is used to treat constipation by drawing water into the colon to soften stools and stimulate bowel movements.

Dosage by Body Weight

The standard adult dose is 10 to 20 grams (1 to 2 packets) dissolved in 4 ounces of water once daily. Dose may be adjusted up to 40 grams daily under medical supervision. It may take 24 to 48 hours to produce a bowel movement.

  1. Body Weight
    Below 5 kg
    Dose
    Not recommended
    Frequency
    Use only if prescribed
    Tracking Notes
    Infant constipation requires direct evaluation by a pediatrician.
  2. Body Weight
    5-7 kg
    Dose
    Consult doctor
    Frequency
    Use only if prescribed
    Tracking Notes
    Lactulose liquid is preferred over powder packets for precise pediatric dosing.
  3. Body Weight
    8-10 kg
    Dose
    Consult doctor
    Frequency
    Use only if prescribed
    Tracking Notes
    Lactulose liquid is preferred over powder packets for precise pediatric dosing.
  4. Body Weight
    11-15 kg
    Dose
    Consult doctor
    Frequency
    Use only if prescribed
    Tracking Notes
    Pediatric dosing should be calculated by a healthcare professional.
  5. Body Weight
    16-20 kg
    Dose
    Consult doctor
    Frequency
    Use only if prescribed
    Tracking Notes
    Pediatric dosing should be calculated by a healthcare professional.

Formulation

Powder for Oral Solution

Purpose

Treatment of acute or chronic constipation.

Generic Name

Lactulose

Scheduled Drug

No. This medicine is generally not treated as a scheduled/prescription-only drug in common consumer references, but local rules may vary.

Alternatives

DuphalacConstuloseEnuloseGenerlacMiraLAX

Disclaimer: This information is for educational purposes only. WHO references and weight bands are simplified for tracking and must not replace medical advice. Always consult with a healthcare professional before starting or changing any medication.