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 136 72
Crohn's disease 8 2
Hyperuricemia 8 6
Improve mobility 4 1
Kidney stone 3 5

Show all 22 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 4
Mild 6
None 107

Commonly reported side effects and conditions associated with Allopurinol

Side effect Patients
Atrial fibrillation 1
Daytime tiredness 1
Decreased urine output (oliguria) 1
Dry mouth 1
Elevated blood sugar (hyperglycemia) 1
Enlarged thyroid 1

Show all 16 reported side effects

Dosages

Based on patients currently taking Allopurinol

Dosage Patients
300 mg daily 24
100 mg daily 16
200 mg daily 10
100 mg twice daily 4
150 mg daily 2
400 mg daily 2
100 mg m,w,f 1
50 mg daily 1
300 mg m,w,f 1
300 mg every other day 1

See all 14 dosages

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
Other 3
Did not seem to work 2
Personal research 2
See all 26 patients who've stopped taking Allopurinol

Duration

Currently taking Allopurinol

Duration Patients
1 - 6 months 1
6 months - 1 year 1
1 - 2 years 7
2 - 5 years 23
5 - 10 years 14
10 years or more 19

Stopped taking Allopurinol

Duration Patients
Less than 1 month 4
1 - 6 months 3
6 months - 1 year 2
1 - 2 years 6
2 - 5 years 5
5 - 10 years 5
10 years or more 1
Adherence
Adherence Evaluations
Always 104
Usually 9
Sometimes 3
Never taken as prescribed 5
Burden
Burden Evaluations
Very hard to take 1
Somewhat hard to take 0
A little hard to take 19
Not at all hard to take 101
Cost per month
Cost per month Evaluations
$200+ 0
$100-199 0
$50-99 1
$25-49 5
< $25 70
Not specified 45

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
Naproxen Prescription (Naprosyn) 1
Probenecid 1

Show all 6 treatments patients report switching from

Patients stopped taking Allopurinol and switched to:

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

15 patient evaluations for Allopurinol

Apr 7, 2018 (Started Oct 23, 2016)

  • Effectiveness
    Major (for gout)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    A little hard to take
Dosage: 100 mg Daily
Cost: < $25 monthly

Sep 4, 2017 (Started Oct 23, 2016)

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

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 15 patient evaluations for Allopurinol