Common side effects include:
When allopurinol is started for gout prevention, the chances of having gout attacks may be higher initially. Do not stop taking this medication without checking with your doctor. Your doctor may prescribe another medication to be taken together to reduce the risk of getting gout attacks during the initial period of this medication.
Very rarely, a bad skin reaction known as Stevens-Johnson syndrome (SJS) or toxic epidermal necrolysis (TENs) may happen. This can cause serious health problems that may sometimes be life threatening. Stop this medication and see a doctor immediately if you have signs like face swelling, blisters or peeling on skin, skin rashes that spread within hours to days.
Very rarely, this medication may also injure or damage the liver. A liver injury may recover on its own. However, in some cases, it may cause serious liver damage. Stop this medication and see a doctor immediately if you notice any dark-coloured urine, light coloured stools, yellowing of skin or eyes.
The symptoms of a drug allergy include one or more of the following:
If you experience any of these symptoms, you should stop your medication and see your healthcare professional immediately.
Inform your healthcare professional if:
It may take a few weeks before you get the full benefits from taking this medication.
Drink enough water (2-3 litres of water a day) unless your doctor has advised you to restrict fluid intake.
Follow the diet plan recommended by your doctor or dietician.
Inform your doctor if you are taking:
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