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Xanthine oxidase inhibitors: An overview

Xanthine oxidase inhibitors are prescribed to fight against  gout, a painful ailment delivered via hyperuricemia or prolonged blood uric acid degrees. Uric acid is a waste crafted from purine metabolism. Purine is a vital compound cells use to create the RNA and DNA-building additives. 


Increased uric acid is the main  reason for  accumulation of crystals of monosodium urate, which in turn kicks off a dangerous immunological response that inflames bones, joints, and soft tissues. Xanthine oxidase inhibitors decrease the formation of uric acid  by restricting the enzyme that converts purine by-product to uric acid, consequently removing the inflammation reaction that gets induced.


There are varieties of xanthine oxidase inhibitors: purine analogs and different kinds. Tisopurine, oxypurinol, and allopurinol are examples of purine analogs. Other ones are inositols, topiroxostat, and febuxostat.


1. Purine analogues:

 Allopurinol

  • Mechanism of action: Allopurinol decreases the uric acid content by inhibiting the enzyme xanthine oxidase, a key  required in formation of uric acid from purine analogue. Urine and serum uric acid concentrations are reduced, which lowers the chance of gout.

  • Indications: Used in the treatment of Gout, Tumour lysis syndrome and Recurrent calcium kidney stones.

  • Adverse effects: Common consequences of allopurinol can encompass pores and skin rash, abdominal pain, nausea, and drowsiness.


2. Others:

  • Febutaz 40 mg tablets is a xanthine oxidase inhibitor medication that contains the active component febuxostat.

  • Mechanism of action: Febuxostat lowers uric acid synthesis by blocking off xanthine oxidase.

  • Indications: Similar to allopurinol, febuxostat is used for the treatment of gout 

  • Adverse effects: Common outcomes of febuxostat can include abnormal liver characteristics, nausea, vomiting, headache, and joint aches.


Natural Xanthine oxidase inhibitors:

There are several natural materials identified as xanthine oxidase inhibitors that occur in a few plants and foods. They act by reducing the uric acid of the body; however, they're no longer as amazing as allopathy medications like allopurinol or febuxostat.


  1. Quercetin: This is a kind of flavonoid seen in apples, onions, and broccoli that is said to have certain xanthine-inhibitory actions

  2. Resveratrol: This is a plant polyphenol compound discovered in red wine, berries, and red grapes that has antioxidant properties and is also recognized to inhibit xanthine

  3. Curcumin: Curcumin is stated to be the energetic component of turmeric. It suggests some promise as a xanthine oxidase inhibitor.

  4. Celery Seed Extract: Various plant extracts from celery seeds decrease uric acid, that is frequently referred to as an herbal remedy for gout


It's important to be aware that a few herbal compounds may additionally exhibit xanthine oxidase inhibitory properties in laboratory research; their effectiveness in clinical settings and potential side consequences are still areas of ongoing research.

Without the right supervision, self-medication can also have sudden outcomes. People need to speak with healthcare providers earlier than pursuing any herbal healing procedures or dietary supplements, particularly if they may be on different medications or have pre-existing clinical situations.


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