Zyloric 300mg Tablet


Zyloric 300mg is a treatment for gout and high uric acid levels developed by GSK Pharma.

This medicine suppresses the activity of uric acid produced in the body and reduces the amount of uric acid that has increased in the blood.

The main ingredient is allopurinol, which is a representative drug used to treat gout and hyperuricemia due to hyperuricemia.

Improvement of hyperuricemia, prevention of gout
Active ingredient Allopurinol
Estimated delivery days 7~14 days
Target gender unisex
Pharmaceutical company GSK Pharma

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Characteristics of Zyloric 300mg

Zyloric 300mg is a drug used to treat gout and hyperuricemia. As the name suggests, gout is painful even when the wind blows. The main symptom of gout is a sudden onset of pain in the big toe, and as it progresses, the pain extends to the joints, making it difficult to move the foot.

As a result of the westernization of the diet, it is said that gout develops due to an increase in uric acid levels in the body due to excessive intake of animal protein and animal fat.

Zyloric 300mg has the effect of reducing such elevated uric acid in the body and suppressing gout. If you get gout once, it is a sign that you already have a large amount of uric acid crystals in your body, so it is recommended that you continue to take Zyloric 300mg as a regular medicine.

Proven in clinical trials! Therapeutic drug to improve hyperuricemia
  • Suppresses the production of uric acid to prevent the onset and recurrence of gout attacks.
  • Proven Effective in Many Patients in Clinical Trials.
  • The active ingredient “allopurinol” can be expected to lower uric acid levels.


  • gout, hyperuricemia.
  • Reduces elevated uric acid levels in hyperuricemia with gout or hypertension.

Continued use lowers uric acid levels, prevents the onset and recurrence of gout, and is effective in improving hyperuricemia.

About Zyloric 300mg

Its main feature is that it is effective in preventing the onset and recurrence of gout and improving hyperuricemia when taken continuously. The mechanism by which uric acid levels increase varies depending on one’s physical constitution, such as excessive uric acid production or decreased uric acid excretion.

Zyloric 300mg is mainly used to treat people with a constitution that produces excess uric acid, but by reducing the total amount of uric acid in the body, it can be expected to be effective for people with other constitutions as well.

Prevents the onset and recurrence of gout attacks

The active ingredient in Zyloric 300mg, allopurinol, works to lower uric acid levels. By continuously taking this medicine, the blood concentration of allopurinol is maintained above a certain level, and the production of uric acid in the body continues to be suppressed.

By continuing to control uric acid to a normal level, uric acid that has already crystallized in the body will gradually disappear. Regardless of the presence or absence of seizures, the point of improvement is to take the medicine regularly every day.

Zyloric 300mg is a drug used to prevent the onset and recurrence of gout attacks. It has no effect on preventing gout attacks. Starting Zyloric 300mg during an attack may make symptoms worse. Be sure to take it as a prophylactic or improving drug after the attack has subsided.

Proven Effectiveness in Clinical Studies

The effectiveness of Zyloric 300mg in lowering uric acid levels has been proven in clinical trials, so you can use it with confidence. When tested in 343 patients with hyperuricemia associated with gout and hypertension (many of whom had uric acid levels of 8.0mg/dL or higher), it was sufficient for 88% of gout patients and 86.4% for hyperuricemia patients. A significant reduction in uric acid levels was confirmed.

 Based on these results, it was recognized that continuous administration of Zyloric 300mg is effective in improving hyperuricemia, which is considered to be one of the causes of gout attacks.

However, continuous use is essential to maintain the effects of Zyloric 300mg. By reducing the amount of uric acid produced in the body, Zyloric 300mg makes it difficult for new uric acid to crystallize. Please note that it takes at least 6 months.

Contains the active ingredient “allopurinol”

The active ingredient, allopurinol, inhibits the action of an enzyme called xanthine oxidase (XO).

Uric acid is a residue after purines are broken down in the body through the process of hypoxanthine and then xanthine. XO plays an important role in the metabolism of hypoxanthine to uric acid, and allopurinol reduces uric acid production by inhibiting its action. These drugs are also called xanthine oxidase (XO) inhibitors.

How to take Zyloric 300mg

1 Dose
1 tablet (100mg as “Allopurinol”)
Number of doses per day
Until the 7th day of taking the drug: 1 time From the 8th day of taking the drug: 2-3 times.

Take with a glass of water or lukewarm water after meals.

Dosing should begin when no seizures have occurred. Continue to take 1 tablet a day until the 7th day, and from the 8th day onwards, 1 tablet at a time, 2 to 3 times a day, depending on the uric acid level.

If you miss a dose, take 1 tablet at that time. However, if you take more than 2 tablets at once, the uric acid level may drop rapidly, which may cause gout attacks and side effects, so be sure to take it at a time.

About side effects

The most commonly reported side effects of Zyloric 300mg include gastrointestinal symptoms such as loss of appetite, stomach discomfort and diarrhea, skin symptoms such as rash and hair loss, and malaise. The occurrence of side effects is rare, but if you experience any worrisome symptoms, stop taking the drug and consult your doctor or pharmacist.

You may also experience temporary gout attacks when you start using Zyloric 300mg. Please be assured that it will improve with continued use.

Zyloric 300mg Precautions

Persons who should not take
The following people cannot use this medicine.

  • Patients with a history of hypersensitivity to the ingredients of this drug.
Precautions for concomitant use
Be careful when using this medicine in combination with the following medicines.

  • mercaptopurine hydrate, azathioprine
  • vidarabine
  • coumarin anticoagulant
  • Chlorpropamide
  • Cyclophosphamide hydrate
  • Cyclosporine
  • Phenytoin
  • xanthine drugs
  • Didanosine
  • Pentostatin
  • Captopril
  • hydrochlorothiazide
  • Ampicillin

How to store Zyloric 300mg

  • Store at room temperature, avoiding direct sunlight and high temperature and humidity.
    It does not need to be refrigerated and should be kept at room temperature away from direct sunlight, heat and humidity.
  • Keep out of reach of children.
    Avoid the possibility of taking it by mistake.

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Country of origin

Estimated time of arrival
7-14 days

  • Delivery may be delayed due to weather in the country of origin or holidays of vendors in the country of origin.
  • Delivery may be delayed in some areas such as remote islands and remote islands.

Additional information

Pack Size

100 Tablet/s, 200 Tablet/s


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