What is Allopurinol?

Category: Prescription Drugs

Most popular types: Zyloprim Puricos Zyloric Show all

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Allopurinol is a xanthine oxidase inhibitor that is used to prevent gouty arthritis, nephropathy (kidney damage) and kidney stones; and to treat secondary hyperuricemia (elevated blood levels of uric acid).

Reported purpose & perceived effectiveness
Purpose Patients Evaluations Perceived Effectiveness
gout 123 60
Gout 63 24
Kidney stones 21 18
Crohn's disease 7 2
Hyperuricemia 6 5
Improve mobility 4 1

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 4
Moderate 2
Mild 7
None 93

Commonly reported side effects and conditions associated with Allopurinol

Side effect Patients
atrial fibrillation 1
Bradycardia 1
Daytime tiredness 1
Decreased urine output (oliguria) 1
Dry mouth 1
Elevated blood sugar (hyperglycemia) 1

Show all 18 reported side effects

Dosages

Based on patients currently taking Allopurinol

Dosage Patients
300 mg daily 27
100 mg daily 23
100 mg twice daily 4
200 mg daily 3
400 mg daily 2
50 mg daily 1
300 mg m,w,f 1
150 mg daily 1

Why patients stopped taking Allopurinol

Multiple reasons could be selected

Reason Patients
Doctor's advice 13
Course of treatment ended 6
Side effects too severe 4
Did not seem to work 2
Other 2
Personal research 2
See all 25 patients who've stopped taking Allopurinol

Duration

Currently taking Allopurinol

Duration Patients
1 - 6 months 1
6 months - 1 year 5
1 - 2 years 6
2 - 5 years 19
5 - 10 years 13
10 years or more 18

Stopped taking Allopurinol

Duration Patients
Less than 1 month 4
1 - 6 months 3
6 months - 1 year 1
1 - 2 years 6
2 - 5 years 5
5 - 10 years 5
10 years or more 1
Adherence
Adherence Evaluations
Always 92
Usually 7
Sometimes 2
Never taken as prescribed 5
Burden
Burden Evaluations
Very hard to take 1
Somewhat hard to take 0
A little hard to take 15
Not at all hard to take 90
Cost per month
Cost per month Evaluations
$200+ 0
$100-199 0
$50-99 1
$25-49 5
< $25 64
Not specified 36

What people switch to and from

Patients started taking Allopurinol after stopping:

Treatment Patients
Febuxostat (Uloric) 1
Ibuprofen Prescription (Motrin Prescription) 1
Indomethacin (Indocin) 1
Probenecid 1

Patients stopped taking Allopurinol and switched to:

Treatment Patients
Febuxostat (Uloric) 4
Dimethyl fumarate (Tecfidera) 1
Ursodiol (UDCA Ursodeoxycholic acid) 1
Last updated:

14 patient evaluations for Allopurinol

Apr 20, 2017 (Started Oct 23, 2016)

  • Effectiveness
    Major (for gout)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    A little hard to take
Dosage: 300 mg Daily
Cost: < $25 monthly

  • 0 helpful marks

Jun 30, 2016 (Started Jul 16, 2005)

  • Effectiveness
    Major (for gout)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 300 mg Daily
Cost: < $25 monthly

  • 0 helpful marks

Jun 26, 2015 (Started Aug 15, 2010)

  • Effectiveness
    Can’t tell (for Hyperuricemia)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 100 mg Daily

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