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Allopurinol Benefits & Uses

Allopurinol is used to treat the following -

Allopurinol Dosage & How to Take

This is the usual dosage recommended in most common treatment cases. Please remember that every patient and their case is different, so the dosage can be different based on the disease, route of administration, patient's age and medical history.

Find the right dosage based on disease and age

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Ingredients of Allopurinol


Allopurinol Side Effects

Based on research, the following side effects have been observed when Allopurinol is used -

  1. Abdominal Pain Mild
  2. Diarrhoea
  3. Dizziness Mild
  4. Fever Mild
  5. Throat Irritation
  6. Nausea or vomiting
  7. Urticaria
  8. Itching or burning
  9. Dyspepsia
  10. Chills
  11. Flushing
  12. Flatulence Mild
  13. Bleeding Moderate

Allopurinol Related Warnings

Is the use of Allopurinol safe for pregnant women?

Pregnant women may get severe side effects after taking Allopurinol. If you are pregnant, do not take Allopurinol without a doctor's advice.


Is the use of Allopurinol safe during breastfeeding?

Side effects of Allopurinol on breastfeeding women are very mild.


What is the effect of Allopurinol on the Kidneys?

There may be some adverse effects on kidney after taking Allopurinol. If you observe any such side effects, stop taking this drug. Consume this medicine again only if your doctor advises you to do so.


What is the effect of Allopurinol on the Liver?

You may experience side effects on your liver after taking Allopurinol. If this happens, then discontinue its use. Consult your medical practitioner, do as he/she suggests.


What is the effect of Allopurinol on the Heart?

Allopurinol has very mild side effects on the heart.


Severe Interaction of Allopurinol with Other Drugs

Allopurinol should not be taken with following medicines due to severe side effects it may cause to patients -

Allopurinol Contraindications

If you are suffering from any of the following diseases, you should not take Allopurinol unless your doctor advises you to do so -

  1. Dehydration
  2. Liver Disease
  3. Kidney Disease

Frequently asked Questions about Allopurinol

Is this Allopurinol habit forming or addictive?

Allopurinol is not addictive in nature.


Is it safe to drive or operate heavy machinery when consuming?

Allopurinol will not make you feel sleepy or drowsy. So you drive or operate machinery safely.


Is it safe?

Yes, but take Allopurinol only as per medical advice.

Safe, but take only on Doctor's advise

Is it able to treat mental disorders?

No, Allopurinol cannot treat any kind of mental disorder.


Allopurinol Interactions with Food and Alcohol

Interaction between Food and Allopurinol

Taking Allopurinol with some specific foods may delay its effect. Talk to your doctor about this.


Interaction between Alcohol and Allopurinol

Taking Allopurinol with alcohol can have severely harmful effects on your health.

This medicine data has been created by -
Vikas Chauhan
B.Pharma, Pharmacy
3 Years of Experience


  1. US Food and Drug Administration (FDA) [Internet]. Maryland. USA; Package leaflet information for the user; Zyloprim ® (allopurinol)
  2. KD Tripathi. [link]. Seventh Edition. New Delhi, India: Jaypee Brothers Medical Publishers; 2013: Page No 216-217
  3. April Hazard Vallerand, Cynthia A. Sanoski. [link]. Sixteenth Edition. Philadelphia, China: F. A. Davis Company; 2019: Page No 125-127
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