Allopurinol is a medication used to decrease high blood uric acid levels. It is particularly used in conditions with excessive uric acid production, such as gout, kidney stones, and certain enzyme disorders. Allopurinol works by reducing the production of uric acid in the body.

Allopurinol FAQ


The usual starting dose of Allopurinol for gout is 100-200 mg per day, which may be increased gradually. It is important to follow your doctor's instructions regarding the dosage.

How long does it take for Allopurinol to lower uric acid levels?

Allopurinol may take several weeks to show its full effect in reducing uric acid levels. It is important to continue taking the medication as prescribed even if you do not feel immediate relief.

Are there any food or drinks to avoid while taking Allopurinol?

During Allopurinol treatment, it is advisable to limit alcohol consumption and maintain a healthy, balanced diet. High-purine foods like organ meats and certain seafood should be consumed in moderation.

Can Allopurinol be taken during an acute gout attack?

Allopurinol is not typically used to treat an acute gout attack. It is more commonly used to prevent future attacks by lowering uric acid levels over time.

What are the possible side effects of Allopurinol?

Common side effects of Allopurinol may include skin rash, drowsiness, and dizziness. In rare cases, more serious side effects like liver or kidney problems may occur. It is important to seek medical attention if you experience any concerning symptoms.

Is it safe to use Allopurinol during pregnancy or while breastfeeding?

Allopurinol should only be used during pregnancy or breastfeeding if clearly needed and prescribed by a healthcare professional. It is important to discuss the potential risks and benefits with your doctor.

What should I do if I miss a dose of Allopurinol?

If you miss a dose of Allopurinol, take it as soon as you remember. However, if it is almost time for your next dose, skip the missed dose and continue with your regular dosing schedule. Do not take a double dose to make up for the missed one.

Can Allopurinol be used in children?

Allopurinol may be prescribed to children for certain medical conditions, but the dosage and administration should be carefully determined by a pediatrician.

How long should I continue taking Allopurinol?

Allopurinol is often taken on a long-term basis to prevent the recurrence of gout attacks or other conditions related to high uric acid levels. Your doctor will advise you on the appropriate duration of treatment.

Is it safe to consume alcohol while taking Allopurinol?

While moderate alcohol consumption may be acceptable for some individuals taking Allopurinol, excessive alcohol intake should be avoided as it can interfere with the medication's effectiveness and overall health.

Can Allopurinol cause allergic reactions?

Some individuals may experience allergic reactions to Allopurinol, which can manifest as skin rashes, itching, or swelling. If you suspect an allergic reaction, seek medical help immediately.

Can Allopurinol interact with other medications?

Allopurinol may interact with certain medications, including azathioprine, mercaptopurine, and ampicillin. It is important to inform your doctor about all the medications you are currently taking to avoid potential interactions.

What should I do in case of an Allopurinol overdose?

In the event of an Allopurinol overdose, seek immediate medical attention or contact a poison control center. Overdose symptoms may include severe drowsiness, vomiting, and diarrhea.

Can Allopurinol be used for kidney stone prevention?

Allopurinol is sometimes used to prevent the formation of certain types of kidney stones that are caused by high levels of uric acid. Proper diagnosis and guidance from a healthcare provider are essential in such cases.

Is a prescription required to purchase Allopurinol?

Yes, Allopurinol is a prescription medication. It is important to consult with a qualified healthcare professional to determine if it is the right option for your medical needs.

What is the mechanism of action of Allopurinol?

Allopurinol works by inhibiting the action of the enzyme xanthine oxidase, which is involved in the production of uric acid. By reducing uric acid levels, it helps prevent the formation of urate crystals that can cause gout and related conditions.

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