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Review: Allopurinol and Colcrys

This review analyzes the effectiveness and drug interactions between Allopurinol and Colcrys. It is created by eHealthMe based on reports of 492 people who take the same drugs from FDA and social media, and is updated regularly.

Get connected: join a mobile support group for people who take Allopurinol and Colcrys >>>

What are the drugs

Allopurinol (latest outcomes from 51,409 users) has active ingredients of allopurinol. It is often used in gout.

Colcrys (latest outcomes from 596 users) has active ingredients of colchicine. It is often used in gout.

On Oct, 13, 2014: 492 people who take Allopurinol, Colcrys are studied

Allopurinol, Colcrys outcomes

Drug combinations in study:
- Allopurinol (allopurinol)
- Colcrys (colchicine)

Drug effectiveness over time :

< 1 month1 - 6 months6 - 12 months1 - 2 years2 - 5 years5 - 10 years10+ yearsnot specified
Allopurinol is effective66.67%
(2 of 3 people)
(2 of 13 people)
(0 of 4 people)
(1 of 6 people)
(4 of 9 people)
(1 of 1 people)
(3 of 8 people)
(2 of 3 people)
Colcrys is effective33.33%
(2 of 6 people)
(2 of 10 people)
(3 of 9 people)
(2 of 4 people)
(2 of 9 people)
(3 of 4 people)
(2 of 3 people)
(0 of 1 people)

Most common drug interactions over time * :

< 1 month1 - 6 months6 - 12 months1 - 2 years2 - 5 years5 - 10 years10+ yearsnot specified
DiarrhoeaDiarrhoeaPain In ExtremityDrug IneffectiveHigh Blood PressureMuscle TwitchingMuscle TwitchingGout
NauseaPyrexiaUrinary IncontinenceProstate CancerGouty ArthritisSwelling Of The Ankles - Feet - LegsSwelling Of The Ankles - Feet - LegsNausea
VomitingDyspepsiaOedema PeripheralProstatic Specific Antigen IncreasedAcid RefluxNauseaNauseaDiarrhoea
MyalgiaConstipationMyocardial InfarctionInsomniaAllergiesDelayed UrinationRed EyePyrexia
AstheniaBack PainMacular DegenerationTinnitusPolyarthralgiaChest PainDelayed UrinationWeight Decreased
Oedema PeripheralColitisVenous OcclusionErectile DysfunctionThrombocytopeniaGoutChest PainVomiting
ErythemaHepatic SteatosisStomach PainPsychosis AggravatedRinging In The EarsErectile DysfunctionBlood PressureCondition Aggravated
DizzinessMetabolic AcidosisTremorGoutDiarrhoeaBlood Pressure DecreasedDrug Ineffective
Drug IneffectiveVomitingAgitationStomach PainRectal BleedingCardiac Failure Congestive
Electroencephalogram AbnormalWeight DecreasedBlood Pressure IncreasedHot FlashesPruritus

Drug effectiveness by gender :

Allopurinol is effective20.00%
(1 of 5 people)
(14 of 42 people)
Colcrys is effective25.00%
(1 of 4 people)
(15 of 42 people)

Most common drug interactions by gender * :

MalaiseBlood Creatinine Increased
VomitingDrug Ineffective
HypertensionCondition Aggravated
Weight DecreasedCardiac Arrest
Oedema PeripheralWeight Decreased
Condition AggravatedDiarrhoea
Blood Cholesterol IncreasedCardiac Failure Congestive

Drug effectiveness by age :

Allopurinol is effectiven/an/an/a0.00%
(0 of 5 people)
(1 of 3 people)
(2 of 8 people)
(2 of 13 people)
(10 of 32 people)
Colcrys is effectiven/an/an/a20.00%
(1 of 5 people)
(2 of 3 people)
(3 of 7 people)
(2 of 13 people)
(8 of 32 people)

Most common drug interactions by age * :

n/an/an/aHaemoglobin DecreasedHypertensive CrisisGoutNauseaDiarrhoea
Muscle WeaknessPeripheral ColdnessPyrexiaPyrexiaGout
Aplastic AnaemiaDecreased AppetiteCondition AggravatedPruritusNausea
Bone Marrow Depression NosVomitingNauseaOedema PeripheralCardiac Failure Congestive
Haematocrit DecreasedAspartate Aminotransferase IncreasedErythema MultiformeMalaiseDrug Ineffective
Tuberculosis NosNeuralgiaCoughHepatic SteatosisAsthenia
NocardiosisDyspnoeaDermatitis NosWeight DecreasedCondition Aggravated
Pneumocystis Carinii InfectionHaematocheziaStevens Johnson SyndromeHyperkalaemiaFatigue
Pulmonary HaemorrhageBlood Lactate Dehydrogenase IncreasedEcchymosisColitisBlood Creatinine Increased
ToxoplasmosisRestless Legs SyndromePruritusVomitingFall

* Some reports may have incomplete information.

How to use the study: print a copy of the study and bring it to your health teams to ensure drug risks and benefits are fully discussed and understood.

Do you take Allopurinol and Colcrys?

Get connected! Join a related mobile support group:
- support group for people who take Allopurinol and Colcrys
- support group for people who take Allopurinol
- support group for people who take Colcrys

Comments from related studies:

  • From this study (3 weeks ago):

  • Seems to flare up each time more severe than the last


  • From this study (7 months ago):

  • I am curious to know if the Allopurinol can increase blood sugar, though I gained up to 10 lbs since I first started taking this med, I think in part due to less exercise on my part.


  • From this study (8 months ago):

  • I also take a drug called Moxonidine for High Blood pressure.


Post a new comment    OR    Read more comments

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  • Allopurinol for 6-mp metabolism to 6-tgn
    I began taking Allopurinol 100mg to help metabolize the Purinethol I have been taking for 6 years for Crohn's disease after a blood test revealed my 6-MMP metabolites were too high and 6-TG were too low. Several published studies show Allopurinol to be helpful for "non-preferential metabolizers" lik ...

  • Ear pain from allopurinol 100mg
    I have just been prescribed 100mg Allopurinol. 1 a day. I am in my second day of taking these tablets. I have begun to get get a sudden pain in my ear. I have never in all my years have ever had such a pain. I know the only change that has happened around me is taking these tablets. I have sto ...

More reviews for: Allopurinol, Colcrys

Complete drug side effects:

On eHealthMe, Allopurinol (allopurinol) is often used to treat gout. Colcrys (colchicine) is often used to treat gout. Find out below the conditions the drugs are used for, how effective they are, and any alternative drugs that you can use to treat those same conditions.

What is the drug used for and how effective is it:

Other drugs that are used to treat the same conditions:

NOTE: The study is based on active ingredients. Other drugs that have the same active ingredients are also considered.

WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only, and has not been supported by scientific studies or clinical trials unless otherwise stated. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.

You may report adverse side effects to the FDA at or 1-800-FDA-1088 (1-800-332-1088).

If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.


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