Like all medicines, allopurinol can cause side effects, although not everybody gets them.
The likelihood of side effects is greater when there are kidney and/or liver disorders.
The frequency of side effects is classified into:
Very common: affect 1 out of 1-10 patients
Common: affect 1 out of 10-100 patients
Uncommon: affect 1 out of 100-1.000 patients
Rare: affect 1 out of 1.000-10.000 patients
Very Rare: affect less than 1 in 10,000 patients
Incidence not known: Can not be established the true incidence from the available data
Infections and infestations
Very rare: Infection of the hair follicle
Disorders of blood and lymphatic system
Very rare: Decreased number of white blood cells (increased risk of infection), red blood cells (may make you tired, fatigue), platelets (cells involved in clotting blood, appearing bruising or bleeding more easily than usual)
Immune system disorders
Uncommon:Hypersensitivity reactions (allergy: possible appearance of skin rash, peeling skin, blisters or sores on the lips or in the mouth)
Rare: Serious hypersensitivity reactions associated with exfoliation, fever, joint pain or painful swelling of the groins, armpit or neck, jaundice (yellowing of the skin and eyes), and other disorders of the skin and subcutaneous tissues (see below).
Very rare: Angioimmunoblastic lymphadenopathy (swelling in armpits, neck, groins)
Very rarely may occur seizures, wheezing, palpitations, chest tightness or unconsciousness.
Metabolism and nutrition disorders
Very rare: Diabetes mellitus (high blood sugar levels), increased blood lipids levels (fats) , increased blood uric acid.
Psychiatric disorders
Very rare; Depression
Nervous system disorders
Very rare Weakness, numbness or loss of consciousness, paralysis, uncoordinated movements, disruption of normal sensation (neuropathy), sleepiness, headache, altered taste (dysgeusia)
Eye disorders
Very rare: Cataracts, visual disturbances
Ear and labyrinth disorders
Very rare: Vertigo
Heart disorders
Very rare: Chest pain or pulse slowing
Vascular disorders
Very rare: High blood pressure
Gastrointestinal disorders
Uncommon: Nausea, vomiting
Very rare: Appearance of blood in vomit, excessive fat in stools, mouth infections, changes in bowel habits
Hepatobiliary disorders
Uncommon: Asymptomatic increases in liver function tests
Rare: Hepatitis
Skin and subcutaneous tissue disorders
Common: Rashes
Very rare: Hives, drug-induced rashes, hair loss or discoloration
Renal and urinary disorders
Very rare: Appearance of blood in urine
Reproductive system and breast disorders
Very rare: Male infertility, impotence, breast enlargement (gynecomastia)
General disorders
Very rare: Swelling (edema) of ankles, general discomfort, fatigue, fever
There have been reports of fever with or without evidence of signs or symptoms of a generalized hypersensitivity to allopurinol.
Do not be alarmed by this list of side effects since is possible you do not suffer any of them.
This list does not include all adverse reactions associated with the use of allopurinol, both well established as those that are under consideration or confirmation. In case you feel unwell, should immediately consult with the doctor who prescribed this medicine.
If you notice any side effects not listed in this website or in the leaflet accompanying the package, ask your doctor or pharmacist.
If any of the side effects gets serious, tell your doctor or pharmacist.
This page contains list of brands of authorized pharmaceutical specialties of the active principle allopurinol in the countries listed below:
[ Australia] [ Brazil] [ Canada] [ France] [ Germany] [ India] [ Italy] [ Japan] [ Mexico] [ Pakistan] [ Puerto Rico] [ Spain] [ Turkey] [ United Kingdom] [ U.S.A]
Given the nature of the pharmaceutical market, some specialties may be unavailable, have been removed from the pharmaceutical market or have changed its name. So that, in no case can take decisions based on the information contained in the page. MEDIZZINE is not responsible for any damage arising from the information provided, which may be incomplete or outdated.
Warning:
With exceptions expressly indicated, these lists do not include active principle associations with other drugs or clinical use containers.
Australia: ▲
ALLOPURINOL ALPHAPHARM 100 mg, tablets
ALLOPURINOL ALPHAPHARM 300 mg, tablets
ALLOPURINOL SANDOZ 300 mg, tablets
ALLOPURINOL SANDOZ 100 mg, tablets
ALLORIN 300 mg, tablets
ALLORIN 100 mg, tablets
ALLOSIG 100 mg, tablets
ALLOSIG 300 mg, tablets
APO-ALLOPURINOL 100 mg, tablets
APO-ALLOPURINOL 300 mg, tablets
CHEMMART ALLOPURINOL 300 mg, tablets
CHEMMART ALLOPURINOL 100 mg, tablets
GENRX ALLOPURINOL 100 mg, tablets
GENRX ALLOPURINOL 300 mg, tablets
PROGOUT 100 mg, tablets
PROGOUT 300 mg, tablets
TERRY WHITE CHEMISTS ALLOPURINOL 100 mg, tablets
TERRY WHITE CHEMISTS ALLOPURINOL 300 mg, tablets
ZYLOPRIM 100 mg, tablets
ZYLOPRIM 300 mg, tablets
Brazil: ▲
ALOPURINOL MEDLEY 100 mg, 30 tablets
ALOPURINOL MEDLEY 300 mg, 30 tablets
ALOPURINOL PRATI-DONADUZZI 100 mg, 30 tablets
ALOPURINOL PRATI-DONADUZZI 300 mg, 30 tablets
ALOPURINOL SANDOZ 300 mg, 30 tablets
LABOPURINOL 100 mg, 24 tablets
LABOPURINOL 300 mg, 16 tablets
ZYLORIC 100 mg, 30 tablets
ZYLORIC 300 mg, 30 tablets
Canada: ▲
ALLOPRIN 100 mg, 100 tablets
ALLOPRIN 200 mg, 100 tablets
ALLOPRIN 300 mg, 100 tablets
ALLOPURINOL APOTEX 300 mg, 100 tablets
ALLOPURINOL PRO DOC 100 mg, tablets
ALLOPURINOL PRO DOC 200 mg, tablets
ALLOPURINOL PRO DOC 300 mg, tablets
NOVO-PUROL 100 mg, tablets
NOVO-PUROL 200 mg, tablets
NOVO-PUROL 300 mg, tablets
ZYLOPRIM 100 mg, 100 tablets
ZYLOPRIM 200 mg, 100 tablets
ZYLOPRIM 300 mg, 100 tablets
France: ▲
ALLOPURINOL ARROW 100 mg, tablets
ALLOPURINOL ARROW 200 mg, tablets
ALLOPURINOL ARROW 300 mg, tablets
ALLOPURINOL BIOGARAN 100 mg, tablets
ALLOPURINOL BIOGARAN 200 mg, tablets
ALLOPURINOL BIOGARAN 300 mg, tablets
ALLOPURINOL EG 100 mg, tablets
ALLOPURINOL EG 200 mg, tablets
ALLOPURINOL EG 300 mg, tablets
ALLOPURINOL ISOMED 100 mg, tablets
ALLOPURINOL ISOMED 200 mg, tablets
ALLOPURINOL ISOMED 300 mg, tablets
ALLOPURINOL MYLAN 100 mg, tablets
ALLOPURINOL MYLAN 200 mg, tablets
ALLOPURINOL MYLAN 300 mg, tablets
ALLOPURINOL PHR LAB 100 mg, tablets
ALLOPURINOL PHR LAB 200 mg, tablets
ALLOPURINOL PHR LAB 300 mg, tablets
ALLOPURINOL RANBAXY 100 mg, tablets
ALLOPURINOL RANBAXY 200 mg, tablets
ALLOPURINOL RANBAXY 300 mg, tablets
ALLOPURINOL RATIOPHARM 100 mg, capsules
ALLOPURINOL RATIOPHARM 100 mg, tablets
ALLOPURINOL RATIOPHARM 200 mg, capsules
ALLOPURINOL RATIOPHARM 200 mg, tablets
ALLOPURINOL RATIOPHARM 300 mg, capsules
ALLOPURINOL RATIOPHARM 300 mg, tablets
ALLOPURINOL SANDOZ 100 mg, tablets
ALLOPURINOL SANDOZ 200 mg, tablets
ALLOPURINOL SANDOZ 300 mg, tablets
ALLOPURINOL SET 100 mg, tablets
ALLOPURINOL SET 200 mg, tablets
ALLOPURINOL SET 300 mg, tablets
ALLOPURINOL TEVA 100 mg, tablets
ALLOPURINOL TEVA 200 mg, tablets
ALLOPURINOL TEVA 300 mg, tablets
ALLOPURINOL ZENTIVA 100 mg, tablets
ALLOPURINOL ZENTIVA 200 mg, tablets
ALLOPURINOL ZENTIVA 300 mg, tablets
ALLOPURINOL ZYDUS 100 mg, tablets
ALLOPURINOL ZYDUS 200 mg, tablets
ALLOPURINOL ZYDUS 300 mg, tablets
ZYLORIC 100 mg, tablets
ZYLORIC 200 mg, tablets
ZYLORIC 300 mg, tablets
Germany: ▲
ALLO-CT 100 mg, tablets
ALLO-CT 300 mg, tablets
ALLOBETA 100 mg, tablets
ALLOBETA 300 mg, tablets
ALLOPURINOL- 1 A PHARMA 100 mg, tablets
ALLOPURINOL- 1 A PHARMA 300 mg, tablets
ALLOPURINOL ABZ 100 mg, tablets
ALLOPURINOL ABZ 300 mg, tablets
ALLOPURINOL ACIS 300 mg, tablets
ALLOPURINOL AL 100 mg, tablets
ALLOPURINOL AL 300 mg, tablets
ALLOPURINOL HEUMANN 100 mg, tablets
ALLOPURINOL HEUMANN 300 mg, tablets
ALLOPURINOL HEUMANN HEUNET 100 mg, tablets
ALLOPURINOL HEUMANN HEUNET 300 mg, tablets
ALLOPURINOL HEXAL 100 mg, tablets
ALLOPURINOL HEXAL 300 mg, tablets
ALLOPURINOL-RATIOPHARM 100 mg, tablets
ALLOPURINOL-RATIOPHARM 300 mg, tablets
ALLOPURINOL SANDOZ 100 mg, tablets
ALLOPURINOL SANDOZ 300 mg, tablets
ALLOPURINOL STADA 300 mg, tablets
CELLIDRIN 100 mg, tablets
CELLIDRIN 300 mg, tablets
EPIDROPAL 300 mg, tablets
JENAPURINOL 100 mg, tablets
JENAPURINOL 300 mg, tablets
ZYLORIC 100 mg, tablets
ZYLORIC 300 mg, tablets
India: ▲
ALIGOUT 100 mg, tablets
ALLGORIC 100 mg, tablets
ALORIC 100 mg, tablets
ALORIC 300 mg, tablets
ALORIV 100 mg, tablets
ALUP 100 mg, tablets
ALUP 300 mg, tablets
ALUR 100 mg, tablets
ALUR 300 mg, tablets
ALURID 100 mg, tablets
ALURID 300 mg, tablets
AMBILAST 100 mg, tablets
APLLINOL 100 mg, tablets
APLLINOL 300 mg, tablets
APRAG 300 mg, tablets
AXANTHINE 300 mg, tablets
B-LORIC 100 mg, tablets
BIORINOL 100 mg, tablets
BURIN 300 mg, tablets
CIPLORIC 100 mg, tablets
CIPLORIC 300 mg, tablets
EDORIN 100 mg, tablets
EDORIN 300 mg, tablets
GOLORIC 100 mg, tablets
GUDLORIC 100 mg, tablets
GURIK 100 mg, tablets
GYLOR 100 mg, tablets
GYLOR 300 mg, tablets
LODIRIC 100 mg, tablets
LODIRIC 250 mg, capsules
LOGOUT 100 mg, tablets
LOGOUT-SR 250 mg, extended release capsules
LOURIC 100 mg, tablets
MYLORIC 100 mg, tablets
MYLORIC 300 mg, tablets
ORLU 100 mg, tablets
ORLU 300 mg, tablets
PILORIC 100 mg, tablets
PILORIC 300 mg, tablets
PURACE 100 mg, tablets
PURACE 300 mg, tablets
PURINOL 100 mg, tablets
PURINOL 300 mg, tablets
RIRORIC 100 mg, tablets
RIRORIC 300 mg, tablets
SATRIC 100 mg, tablets
SOVIRIC 100 mg, tablets
SWILORIC 100 mg, tablets
URITAS 100 mg, tablets
URITAS 300 mg, tablets
URLO 100 mg, tablets
URLO 300 mg, tablets
VORINOL 100 mg, tablets
VORINOL 300 mg, tablets
Z-NOL 100 mg, tablets
ZYLORIC 100 mg, tablets
ZYLORIC 300 mg, tablets
ZYOWAY 100 mg, tablets
ZYOWAY 300 mg, tablets
ZYPRINOL 100 mg, tablets
ZYPRINOL 300 mg, tablets
ZYRIK 100 mg, tablets
ZYRIK 300 mg, tablets
ZYTOL 100 mg, dispersible tablets
Italy: ▲
ALLOPURINOLO MOLTENI 100 mg, tablets
ALLOPURINOLO MOLTENI 300 mg, tablets
ALLOPURINOLO SANDOZ 100 mg, tablets
ALLOPURINOLO SANDOZ 300 mg, tablets
ALLOPURINOLO TEVA 100 mg, tablets
ALLOPURINOLO TEVA 300 mg, tablets
ALLURIT 150 mg, tablets
ZYLORIC 100 mg, tablets
ZYLORIC 300 mg, tablets
Japan: ▲
ALLOPURINOL AMEL 50 mg, tablets
ALLOPURINOL AMEL 100 mg, tablets
ALLOPURINOL CHEMIPHAR 50 mg, tablets
ALLOPURINOL CHEMIPHAR 100 mg, tablets
ALLOPURINOL KYORIN 50 mg, tablets
ALLOPURINOL KYORIN 100 mg, tablets
ALLOPURINOL NICHI-IKO 50 mg, tablets
ALLOPURINOL NICHI-IKO 100 mg, tablets
ALLOPURINOL NISSIN 50 mg, tablets
ALLOPURINOL NISSIN 100 mg, tablets
ALLOPURINOL SAWAI 50 mg, tablets
ALLOPURINOL SAWAI 100 mg, tablets
ALLOPURINOL SHOWA 50 mg, tablets
ALLOPURINOL SHOWA 100 mg, tablets
ALLOPURINOL TAKATA 50 mg, tablets
ALLOPURINOL TAKATA 100 mg, tablets
ALLOPURINOL TEVA 50 mg, tablets
ALLOPURINOL TEVA 100 mg, tablets
ALLOPURINOL TOWA 50 mg, tablets
ALLOPURINOL TOWA 100 mg, tablets
ALLOPURINOL TSURUHARA 50 mg, tablets
ALLOPURINOL TSURUHARA 100 mg, tablets
ALLOPURINOL ZE 50 mg, tablets
ALLOPURINOL ZE 100 mg, tablets
ALOSITOL 50 mg, tablets
ALOSITOL 100 mg, tablets
ANOPROLIN 50 mg, tablets
ANOPROLIN 100 mg, tablets
ARYTHMET 50 mg, tablets
ARYTHMET 100 mg, tablets
KETOBUN 50 mg, tablets
KETOBUN 100 mg, tablets
NEUFAN 50 mg, tablets
NEUFAN 100 mg, tablets
RIBALL 50 mg, tablets
RIBALL 100 mg, tablets
RIBALL 200 mg, fine granules
SALOBEL 50 mg, tablets
SALOBEL 100 mg, tablets
ZYLORIC 50 mg, tablets
ZYLORIC 100 mg, tablets
Mexico: ▲
ACYPRIN 300 mg, 30 tablets
ALOPURINOL APOTEX 300 mg, 20 tablets
ALOPURINOL BRULUART 300 mg, 20, 50 & 100 tablets
ALZOPRIM 300 mg, 20 tablets
ATISURIL 300 mg, 20 & 50 tablets
BIONOL 300 mg, 20 tablets
DARZUNE 100 mg, 25 & 50 tablets
DARZUNE 300 mg, 30, 60 & 100 tablets
ETINDRAX 100 mg, 60 tablets
ETINDRAX 300 mg, 20 tablets
UNIZURIC 300 mg, 20 & 30 tablets
ZYLOPRIM 100 mg, 60 tablets
ZYLOPRIM 300 mg, 30 & 60 tablets
Pakistan: ▲
AGOUT 300 mg, tablets
ALLOPURE 300 mg, tablets
URIK 300 mg, tablets
ZYLOR 300 mg, tablets
ZYLORIC 100 mg, tablets
ZYLORIC 300 mg, tablets
ZYNOL 300 mg, tablets
ZYRIN 100 mg, tablets
Spain: ▲
ALOPURINOL FAES 100 mg, 25 & 100 tablets
ALOPURINOL FAES 300 mg, 30 tablets
ALOPURINOL MUNDOGEN 100 mg, 25 & 100 tablets
ALOPURINOL MUNDOGEN 300 mg, 30 tablets
ALOPURINOL NORMON 100 mg, 25 & 100 tablets
ALOPURINOL NORMON 300 mg, 30 tablets
ALOPURINOL PENSA 100 mg, 25 & 100 tablets
ALOPURINOL PENSA 300 mg, 30 tablets
ALOPURINOL RATIOPHARM 300 mg, 30 tablets
ALOPURINOL TEVA 100 mg, 100 tablets
ALOPURINOL TEVA 300 mg, 30 tablets
ZYLORIC 100 mg, 25 & 100 tablets
ZYLORIC 300 mg, 30 tablets
Turkey: ▲
ALLOGUT 300 mg, tablets
URIKOLIZ 300 mg, tablets
United Kingdom: ▲
ALLOPURINOL AAH PHARMA 100 mg, tablets
ALLOPURINOL AAH PHARMA 300 mg, tablets
ALLOPURINOL ACTAVIS 100 mg, tablets
ALLOPURINOL ACTAVIS 300 mg, tablets
ALLOPURINOL ALLIANCE HEALTHCARE 100 mg, tablets
ALLOPURINOL ALLIANCE HEALTHCARE 300 mg, tablets
ALLOPURINOL ALMUS PHARMA 100 mg, tablets
ALLOPURINOL ALMUS PHARMA 300 mg, tablets
ALLOPURINOL CO-PHARMA 100 mg, tablets
ALLOPURINOL CO-PHARMA 300 mg, tablets
ALLOPURINOL KENT PHARMA 100 mg, tablets
ALLOPURINOL KENT PHARMA 300 mg, tablets
ALLOPURINOL ROSEMONT PHARMA 20 mg/ml, oral solution
ALLOPURINOL TEVA 100 mg, tablets
ALLOPURINOL TEVA 300 mg, tablets
ALLOPURINOL WOCKHARDT 100 mg, tablets
ALLOPURINOL WOCKHARDT 300 mg, tablets
ZYLORIC 100 mg, tablets
ZYLORIC 300 mg, tablets
U.S.A. and Puerto Rico: ▲
ALLOPURINOL APOTEX 100 mg, tablets
ALLOPURINOL APOTEX 300 mg, tablets
ALLOPURINOL BEDFORD 500 mg, solution for infusion
ALLOPURINOL CARACO PHARMA 100 mg, tablets
ALLOPURINOL CARACO PHARMA 300 mg, tablets
ALLOPURINOL DR. REDDY'S 100 mg, 100 tablets
ALLOPURINOL DR. REDDY'S 300 mg, 100 tablets
ALLOPURINOL MUTUAL PHARMA 100 mg, 50 & 100 tablets
ALLOPURINOL MUTUAL PHARMA 300 mg, 30, 50 & 100 tablets
ALLOPURINOL MYLAN 100 mg, 100 tablets
ALLOPURINOL MYLAN 300 mg, 100 tablets
ALLOPURINOL NORTHSTAR 100 mg, 30, 60, 90 & 100 tablets
ALLOPURINOL NORTHSTAR 300 mg, 30, 60, 90 & 100 tablets
ALLOPURINOL QUALITEST PHARMA 100 mg, 100 tablets
ALLOPURINOL QUALITEST PHARMA 300 mg, 100 tablets
ALLOPURINOL REBEL 100 mg, 90 tablets
ALLOPURINOL REBEL 300 mg, 30 tablets
ALLOPURINOL VINTAGE 100 mg, tablets
ALLOPURINOL VINTAGE 300 mg, tablets
ALLOPURINOL WATSON 100 mg, 30, 60, 90 & 100 tablets
ALLOPURINOL WATSON 300 mg, 30, 60, 90 & 100 tablets
ALOPRIM 500 mg, solution for infusion
ZYLOPRIM 100 mg, 100 tablets
ZYLOPRIM 300 mg, 100 tablets
Page updated: December 11, 2010.