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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 490 people who take the same drugs from FDA and social media, and is updated regularly.

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

What are the drugs

Allopurinol (what 51,406 Allopurinol users reported?) has active ingredients of allopurinol. It is used in gout.

Colcrys (what 596 Colcrys users reported?) has active ingredients of colchicine. It is used in gout.

On Sep, 12, 2014: 490 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 7 people)
(2 of 2 people)
Colcrys is effective33.33%
(2 of 6 people)
(2 of 9 people)
(3 of 9 people)
(2 of 4 people)
(2 of 9 people)
(3 of 4 people)
(2 of 3 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 TwitchingDelayed UrinationGout
NauseaPyrexiaUrinary IncontinenceProstate CancerGouty ArthritisSwelling Of The Ankles - Feet - LegsMuscle TwitchingNausea
VomitingDyspepsiaOedema PeripheralProstatic Specific Antigen IncreasedAcid RefluxNauseaSwelling Of The Ankles - Feet - LegsDiarrhoea
MyalgiaConstipationMyocardial InfarctionInsomniaAllergiesDelayed UrinationNauseaPyrexia
AstheniaBack PainMacular DegenerationTinnitusPolyarthralgiaChest PainChest PainWeight Decreased
Oedema PeripheralColitisVenous OcclusionErectile DysfunctionThrombocytopeniaGoutRectal BleedingCondition Aggravated
ErythemaHyperkalaemiaStomach PainPsychosis AggravatedRinging In The EarsErectile DysfunctionBlood PressureVomiting
DizzinessMetabolic AcidosisTremorGoutDiarrhoeaBlood Pressure DecreasedDrug Ineffective
Drug IneffectiveVomitingAgitationStomach PainHot FlashesCardiac Failure Congestive
Electroencephalogram AbnormalWeight DecreasedBlood Pressure IncreasedMalaise

Drug effectiveness by gender :

Allopurinol is effective20.00%
(1 of 5 people)
(14 of 40 people)
Colcrys is effective25.00%
(1 of 4 people)
(15 of 40 people)

Most common drug interactions by gender * :

MalaiseDrug Ineffective
VomitingBlood Creatinine Increased
HypertensionCondition Aggravated
Weight DecreasedWeight Decreased
Oedema PeripheralDiarrhoea
Condition AggravatedCardiac Arrest
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 11 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 11 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 MultiformeHepatic SteatosisDrug Ineffective
Tuberculosis NosNeuralgiaCoughHyperkalaemiaAsthenia
NocardiosisDyspnoeaDermatitis NosMalaiseCondition Aggravated
Pneumocystis Carinii InfectionHaematocheziaStevens Johnson SyndromeWeight DecreasedFatigue
Pulmonary HaemorrhageBlood Lactate Dehydrogenase IncreasedEcchymosisGoutBlood Creatinine Increased
ToxoplasmosisRestless Legs SyndromePruritusColitisFall

* 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.

You can also:

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

Comments from related studies:

  • From this study (6 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 (7 months ago):

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


  • From this study (7 months ago):

  • I have such arthritis pain. Could one of my medicines make my pain worse?


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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).

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