Allopurinol, commercially known as Zyloprim, is a medication used to treat medical conditions related to excessive uric acid in the body, namely gout and kidney stones. This drug works by decreasing the production of uric acid, preventing its buildup in the body and reducing the risk of associated complications.

Price of Allopurinol

The cost of the Allopurinol varies from £0.54 to £0.9 per pills. It depends on the pack size and the amount of active ingredient (30 or 360 mg).

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Allopurinol is a medication commonly prescribed to individuals suffering from conditions related to high levels of uric acid in the body. It belongs to a class of drugs known as xanthine oxidase inhibitors, which work by decreasing the production of uric acid in the body. By doing so, it helps to prevent the formation of uric acid crystals in the joints and kidneys, thus reducing the risk of conditions such as gout and kidney stones.

Allopurinol is available in tablet form and is typically taken orally. It is absorbed into the bloodstream and then metabolized in the liver. The metabolized form of the drug, oxipurinol, is responsible for its therapeutic effects. The elimination half-life of allopurinol is approximately 1 to 2 hours, while that of oxipurinol is around 15 to 30 hours.

What to Avoid When Taking Allopurinol

Allopurinol should not be taken by individuals with a known hypersensitivity to the drug or its components. It is also contraindicated in patients with severe liver or kidney disease, as it may exacerbate these conditions. Additionally, individuals with a history of acute attacks of gout should avoid taking allopurinol during an acute episode, as it may worsen symptoms.

Caution should be exercised when prescribing allopurinol to patients with a history of cardiovascular disease, as the drug has been associated with an increased risk of cardiovascular events such as myocardial infarction and stroke. Close monitoring of blood pressure and cardiovascular health is recommended in such cases.

Pregnant or breastfeeding individuals should consult with their healthcare provider before taking allopurinol, as its effects on fetal development and milk secretion are not well-established.

Managing Side Effects

Like many medications, allopurinol may cause side effects in some individuals. Common side effects of allopurinol include skin rash, nausea, vomiting, diarrhea, and dizziness. Skin rash is the most frequently reported adverse reaction and may range from mild to severe. In rare cases, allopurinol may cause serious allergic reactions such as Stevens-Johnson syndrome or toxic epidermal necrolysis, which require immediate medical attention.

If any side effects occur while taking allopurinol, it is important to inform a healthcare professional. They may recommend adjusting the dosage, switching to an alternative medication, or providing additional treatment to alleviate the side effects.


Allopurinol is usually taken once daily, preferably after a meal or with a glass of milk. It is essential to follow the prescribed dosage and frequency as directed by a healthcare provider. If a dose of allopurinol is missed, it should be taken as soon as remembered, unless it is close to the time for the next scheduled dose. In such cases, the missed dose should be skipped, and the regular dosing schedule should be followed.

Taking more than the prescribed dose of allopurinol can lead to an overdose. Symptoms of an allopurinol overdose may include severe skin rash, nausea, vomiting, diarrhea, and dizziness. In case of an overdose, immediate medical attention should be sought.

Understanding Drug Interactions

Allopurinol may interact with other medications, potentially affecting their effectiveness or increasing the risk of adverse reactions. It is crucial to inform a healthcare provider about all the medications, including prescription, over-the-counter, and herbal supplements, being taken concurrently with allopurinol. Some notable drug interactions with allopurinol include:

Drug Interaction
Azathioprine Increased risk of bone marrow suppression
Mercaptopurine Increased risk of bone marrow suppression
Cyclosporine Increased risk of toxicity
Warfarin Increased anticoagulant effect
Theophylline Increased theophylline levels

It is important to regularly monitor for any changes in the effectiveness or safety of medications being used in combination with allopurinol, and adjust dosages or consider alternative therapies as necessary.

Allopurinol: Inquiry and Response

  • Can allopurinol cure gout?

    Allopurinol cannot cure gout, but it is an effective long-term treatment that helps to control the symptoms and reduce the frequency of gout attacks.

  • How long does it take for allopurinol to start working?

    It may take several weeks or months for allopurinol to reach its full therapeutic effect. During this time, it is important to continue taking the medication as directed by a healthcare provider.

  • Can allopurinol be taken during an acute attack of gout?

    No, allopurinol should not be started during an acute attack of gout. It may worsen symptoms initially and is typically prescribed once the acute attack has subsided.

  • Does allopurinol have any interactions with food or alcohol?

    Allopurinol can be taken with or without food. However, excessive alcohol consumption should be avoided, as it may increase the risk of liver toxicity.

  • What should I do if I experience a skin rash while taking allopurinol?

    If a skin rash develops while taking allopurinol, it is important to discontinue the medication and seek immediate medical attention. Depending on the severity of the rash, a healthcare provider may recommend alternative treatments.



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