What is Lactulose?

Category: Prescription Drugs

Most popular types: Generlac Kristalose Duphalac Show all

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Lactulose is a laxative drug taken as an oral syrup and used to treat constipation. It is also used in the prevention and treatment of portal-systemic encephalopathy, a neuropsychiatric syndrome associated with liver disease.

Reported purpose & perceived effectiveness
Purpose Patients Evaluations Perceived Effectiveness
Constipation 90 46
Irritable bowel syndrome 53 11
Bowel problems 24 14
Chronic constipation 4 4
General health 4 3

Show all 28 reasons taken


  • Major
  • Moderate
  • Slight
  • None
  • Can't tell

Side effects

Side effects as an overall problem

Side effects as an overall problem
Severity Evaluations
Severe 9
Moderate 12
Mild 9
None 46

Commonly reported side effects and conditions associated with Lactulose

Side effect Patients
Diarrhea 6
Abdominal cramps 3
Nausea 2
Abdominal bloating 1
Bowel incontinence 1
Dehydration 1

Show all 14 reported side effects

Dosages

Based on patients currently taking Lactulose

Dosage Patients
2 tbs. daily 1
10 g/15ml daily 1
10 mL daily 1
10 g/15ml twice daily 1
20 mL daily 1
2 x 10 g/15ml daily 1
10 mg four times daily 1
30 mL twice daily 1
30 x 10 g/15ml twice daily 1
667 mg daily 1

See all 16 dosages

Why patients stopped taking Lactulose

Multiple reasons could be selected

Reason Patients
Did not seem to work 24
Other 18
Doctor's advice 15
Side effects too severe 10
Course of treatment ended 8
Personal research 3
Change in health plan coverage 2
Expense 2
See all 66 patients who've stopped taking Lactulose

Duration

Currently taking Lactulose

Duration Patients
1 - 6 months 2
6 months - 1 year 1
1 - 2 years 1
2 - 5 years 6
5 - 10 years 6

Stopped taking Lactulose

Duration Patients
Less than 1 month 16
1 - 6 months 13
6 months - 1 year 12
1 - 2 years 10
2 - 5 years 6
5 - 10 years 7
10 years or more 2
Adherence
Adherence Evaluations
Always 42
Usually 23
Sometimes 9
Never taken as prescribed 2
Burden
Burden Evaluations
Very hard to take 8
Somewhat hard to take 11
A little hard to take 16
Not at all hard to take 41
Cost per month
Cost per month Evaluations
$200+ 1
$100-199 0
$50-99 4
$25-49 7
< $25 38
Not specified 26

What people switch to and from

Patients started taking Lactulose after stopping:

Treatment Patients
Lubiprostone (Amitiza) 1
Naloxegol (Movantik) 1

Patients stopped taking Lactulose and switched to:

Treatment Patients
Polyethylene glycol 3350 with electrolytes (CosmoCol) 2
Lubiprostone (Amitiza) 1
Polyethylene Glycol 3350 (MiraLax) 1
Senna (Senokot) 1
Last updated:

14 patient evaluations for Lactulose

Jul 18, 2008 (Started Feb 09, 2008)

  • Effectiveness
    Major (for bowel problems)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: As needed
Cost: < $25 monthly

  • 0 helpful marks

Apr 15, 2009 (Started Mar 27, 2009)

  • Effectiveness
    Moderate (for constipation)
  • Side effects
    None
  • Adherence
    Usually
  • Burden
    A little hard to take
Dosage: 10 g/15 mL Daily
Cost: < $25 monthly

  • 0 helpful marks

Feb 1, 2010 (Started Jan 28, 2010)

  • Effectiveness
    Major (for constipation)
  • Side effects
    Mild
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 10 g/15 mL Daily
Advice & Tips: This syrop caused a lot of wind. But it is effective.
Cost: < $25 monthly

  • 0 helpful marks
Last updated:
Showing 3 of 14 patient evaluations for Lactulose