alloric 300mg tablet - Allopurinol (300mg) medicine

Allopurinol 300 mg Tablet: Complete Guide to Uses, Side Effects, Dosage, and Safety

No reviews yet
🏭 Parasol Laboratories 📦 Varies by brand 💊 Allopathy 📅 Updated: Oct 17, 2026
⚠️ Hepatotoxicity Risk ⚠️ Nephrotoxicity Risk 📋 Prescription Required 💊 Generic Available
Medically Reviewed
12 min read
Evidence: Well-established for gout, hyperuricaemia, uric acid stones, and tumour lysis syndrome prevention.
Reviewed by
SaathiMed Expert Panel | Oct 17, 2026
🩺
Medically Fact-Checked & Clinically Verified by SaathiMed Clinical Review Board
Clinical Reference Standards: CDSCO (Central Drugs Standard Control Organisation), Indian Pharmacopoeia (IP) & WHO | Last Updated: September 2026

When to Call Your Doctor IMMEDIATELY

  • A new rash, especially with fever, sore mouth, or blisters
  • Peeling or painful skin, or swelling of the face, lips, or throat
  • Yellowing of the eyes or skin, dark urine, or severe right upper abdominal pain
  • Fever with sore throat, unusual bruising, or bleeding
  • Reduced urine output or swelling of the legs or face
  • Severe abdominal pain radiating to the back, with vomiting
  • Chest pain, difficulty breathing, or fainting
  • Sudden severe joint pain with redness and swelling that does not improve

If experiencing severe symptoms, call emergency services immediately.

What is alloric 300mg tablet used for?

Allopurinol 300 mg is an oral prescription tablet used to lower high uric acid levels in gout and to prevent uric acid kidney stones and tumour lysis syndrome. It works by blocking xanthine oxidase, the enzyme that makes uric acid. It does not treat an acute gout attack and may even trigger one when started, so doctors often prescribe anti-inflammatory cover. Regular blood tests and plenty of fluids are important while taking it.

  • Generic Name: Allopurinol (300mg)
  • Manufacturer: Parasol Laboratories
  • Form: Allopathy
  • Pregnancy Category: Consult doctor
  • Prescription Required: Yes

🇮🇳 alloric 300mg tablet के बारे में (Hindi Summary)

उपयोग: यह दवा मुख्य रूप से गाउट (गठिया का एक प्रकार) और खून में यूरिक एसिड बढ़ने की समस्या में इस्तेमाल होती है। यह शरीर में यूरिक एसिड बनाने वाले एंजाइम को रोककर यूरिक एसिड का स्तर धीरे-धीरे कम करती है, जिससे गाउट के दौरे कम आते हैं और जोड़ों में जमा यूरिक एसिड की गांठें (टोफी) छोटी होती हैं। यह किडनी में यूरिक एसिड की पथरी बनने से बचाने और कैंसर कीमोथेरेपी के दौरान यूरिक एसिड अचानक बढ़ने (ट्यूमर लाइसिस सिंड्रोम) को रोकने में भी मदद करती है। ध्यान रखें कि यह दवा गाउट के तेज दर्द वाले दौरे को तुरंत ठीक नहीं करती; दौरा शुरू होने पर डॉक्टर की सलाह के बिना इसे शुरू या बंद न करें।

साइड इफेक्ट्स: इस दवा से आमतौर पर हल्के दुष्प्रभाव होते हैं, जैसे त्वचा पर चकत्ते या खुजली, जी मिचलाना, दस्त, पेट में असहजता, सिरदर्द, और लिवर एंजाइम का अस्थायी रूप से बढ़ना। कभी-कभी शुरुआत में गाउट का दौरा बढ़ सकता है, लेकिन इसका मतलब यह नहीं कि दवा काम नहीं कर रही। गंभीर दुष्प्रभाव दुर्लभ हैं, लेकिन त्वचा पर गंभीर प्रतिक्रिया, बुखार, मुंह में छाले, त्वचा का छिलना, आंखों या त्वचा का पीला पड़ना, गहरे रंग का पेशाब, या खून की गड़बड़ी हो सकती है। ऐसे लक्षण दिखने पर दवा तुरंत बंद करें और डॉक्टर से मिलें।

सुरक्षा सलाह: यह दवा सिर्फ डॉक्टर की सलाह पर ही लें और किसी और के साथ साझा न करें। गोली को पानी के साथ निगलें, बेहतर होगा कि खाने के बाद लें ताकि पेट में जलन न हो। दिनभर पर्याप्त पानी पिएं, क्योंकि इससे किडनी में यूरिक एसिड की पथरी बनने का खतरा कम होता है। शराब, खासकर बीयर और स्पिरिट, से बचें क्योंकि इससे यूरिक एसिड बढ़ता है और गाउट का दौरा आ सकता है। अपनी सभी दवाओं, विटामिन और हर्बल उत्पादों की जानकारी डॉक्टर को दें, खासकर अज़ैथियोप्रिन, मर्कैप्टोप्यूरीन और वॉरफेरिन के बारे में। नियमित खून की जांच कराते रहें, भले ही आप ठीक महसूस करें। गर्भावस्था, गर्भधारण की योजना या स्तनपान के दौरान डॉक्टर से सलाह लें। त्वचा पर चकत्ते, बुखार या एलर्जी के लक्षण दिखने पर दवा बंद करके तुरंत डॉक्टर से मिलें।

💡 Did You Know? The first generic medicine was introduced in India in 1970 after the Patents Act was amended.

💊 alloric 300mg tablet Uses & Benefits

[{"condition":"Chronic gout and hyperuricaemia","description":"Lowers serum uric acid over weeks and reduces the frequency of painful gout flares and the formation of tophi when taken regularly.","evidence":"Well-established"},{"condition":"Uric acid kidney stones","description":"Reduces uric acid production and helps prevent recurrent uric acid stones, especially when combined with good fluid intake and urine alkalinisation.","evidence":"Well-established"},{"condition":"Tumour lysis syndrome prevention","description":"Used before and during chemotherapy in patients at risk of rapid cancer cell breakdown, to prevent dangerous rises in uric acid and kidney injury.","evidence":"Well-established"},{"condition":"Recurrent calcium oxalate stones with hyperuricosuria","description":"May be used in selected patients whose urine contains too much uric acid, to reduce stone formation.","evidence":"Moderate"}]

Off-label uses: [{"condition":"Angina pectoris","description":"Some small studies have explored whether allopurinol improves exercise tolerance in angina, but this is not a standard use.","evidence":"Limited"},{"condition":"Inflammatory bowel disease","description":"Occasional reports suggest possible benefit in ulcerative colitis, but evidence is not strong enough for routine use.","evidence":"Limited"},{"condition":"Cardiovascular risk reduction","description":"Observational data have suggested possible benefits in heart failure and ischaemic heart disease, but this remains investigational.","evidence":"Limited"}]

Primary treatment for: Gout and hyperuricaemia

Also treats: Uric acid kidney stones, Tumour lysis syndrome prevention, Hyperuricosuria with calcium oxalate stones

📋 Drug Information

Generic Name(s)Allopurinol (300mg)
Brand Namealloric 300mg tablet
ManufacturerParasol Laboratories
Packaging / FormVaries by brand (Allopathy)
Therapeutic ClassPAIN ANALGESICS
Action ClassXanthine oxidase Inhibitors-gout
Route of AdministrationOral
StorageStore this medicine at room temperature, between 15°C and 30°C, in a dry place. Keep it in the original container, tightly closed, and away from direct sunlight, heat, and moisture. Do not store it in the bathroom. Keep all medicines out of the reach of children and pets.
Shelf LifeThe shelf life is usually 24 to 36 months from the date of manufacture, depending on the manufacturer. Always check the expiry date printed on the pack and do not use the medicine after that date.
WHO GuidelineNot established from the available information. Allopurinol is included in many international and national guidelines for gout and tumour lysis syndrome, but specific WHO recommendations are not confirmed here.
ICMR GuidelineNot established from the available information. Indian guidelines generally support urate-lowering therapy for gout, but specific ICMR recommendations for this product are not confirmed here.

👨‍⚕️ Doctor's Practical Tips

Evidence-based practical advice from experienced clinicians

1
Start allopurinol at a low dose and increase gradually, because a sudden fall in uric acid can trigger a gout flare.
2
Prescribe anti-inflammatory cover such as colchicine or an NSAID for the first few months of treatment to reduce flare risk.
3
Check kidney function before starting and adjust the dose in people with reduced kidney function.
4
Consider HLA-B*5801 testing in patients of Han Chinese, Thai, or Korean ancestry before starting, because of the higher risk of severe skin reactions.
5
Advise patients to stop the medicine and seek help immediately if a rash, fever, or mouth sores develop.
6
Review serum uric acid after a few weeks and aim for a target set by the treating doctor, usually below 6 mg/dL in gout.
7
Warn patients not to stop the medicine during a flare unless advised, because uric acid will rise again.
8
Check for interactions with azathioprine, mercaptopurine, and warfarin before prescribing.
9
Encourage good fluid intake and a low-purine diet to improve outcomes.
10
Monitor liver function and blood counts periodically, especially in the first few months.

🔍 Is This Medicine Right for Your Symptom?

Educational reference. Always consult a doctor for diagnosis.

✅
Recurrent attacks of severe joint pain, redness, and swelling, especially in the big toe
This medicine is commonly prescribed to lower uric acid and prevent future gout attacks.
Likely Use
✅
High blood uric acid level found on a blood test
This medicine is used to bring uric acid down to a target level.
Likely Use
✅
A history of uric acid kidney stones
This medicine can help prevent uric acid stones when used with good hydration.
Likely Use
❌
Fever with no joint symptoms
This medicine is not a fever reducer and is not used for infections.
Not Primary
✅
Sudden severe joint pain during the first weeks of treatment
This may be a gout flare triggered by starting treatment. Contact your doctor, but do not stop the medicine on your own.
Likely Use

🔬 How This Medicine Works (Pharmacology)

Pharmacokinetics

AbsorptionAllopurinol is absorbed from the upper gastrointestinal tract after oral administration. The exact bioavailability varies between individuals, and food may slightly affect absorption but does not usually change the overall effect. This medicine is taken by mouth as a tablet.
DistributionAllopurinol and its active metabolite oxypurinol are distributed into body water and tissues, including the liver, kidneys, and joints. Oxypurinol has a longer stay in the body than the parent medicine, which allows once-daily dosing in many patients.
Protein BindingAllopurinol itself is only minimally bound to plasma proteins. Its active metabolite oxypurinol is also poorly protein bound, so protein-binding interactions are not a major concern.
MetabolismAllopurinol is rapidly metabolised in the liver and other tissues to oxypurinol, which is the main active metabolite responsible for most of the uric-acid-lowering effect. Oxypurinol is not further broken down to a significant extent and is cleared mainly by the kidneys.
Half-LifeThe half-life of allopurinol itself is short, about 1 to 2 hours, while the active metabolite oxypurinol has a much longer half-life, roughly 15 to 30 hours in people with normal kidney function. The half-life of oxypurinol becomes longer when kidney function is reduced.
ExcretionAllopurinol is excreted mainly by the kidneys, largely as oxypurinol. A smaller amount is eliminated in the stool. Because kidney clearance is important, the dose often needs to be reduced in people with kidney disease.
BioavailabilityAllopurinol is reasonably well absorbed after oral intake, with bioavailability generally reported in the range of about 70 to 90 percent, although values vary between individuals and between studies.
Onset of ActionThe uric-acid-lowering effect begins within one to two days, but a clear fall in blood uric acid is usually seen over one to two weeks. Full clinical benefit, such as fewer gout attacks and shrinking tophi, takes several months of consistent treatment.
Peak Plasma TimeAfter an oral dose, allopurinol reaches peak blood levels in about 1 to 2 hours. The active metabolite oxypurinol peaks later, roughly 3 to 5 hours after the dose.
Duration of ActionBecause oxypurinol stays in the body for a long time, the uric-acid-lowering effect lasts for more than 24 hours after a single dose, which is why once-daily dosing is often possible.

How It Works

This medicine works by inhibiting xanthine oxidase, the enzyme that converts hypoxanthine to xanthine and xanthine to uric acid. When this enzyme is blocked, uric acid production falls and the body gradually clears the uric acid already present. Because uric acid levels drop, urate crystals in joints and tissues can dissolve over months, which reduces gout attacks and tophi. The effect is not immediate, and it may take several weeks to months for the full benefit to appear.

Mechanism Steps

1
Inhibition of xanthine oxidase: This medicine binds to and inhibits xanthine oxidase, the enzyme responsible for the final two steps of purine breakdown.
2
Reduced uric acid production: With the enzyme blocked, hypoxanthine and xanthine are not efficiently converted into uric acid, so less uric acid is made.
3
Lower serum uric acid: Blood uric acid levels fall gradually over days to weeks, and the body excretes the remaining uric acid through the kidneys and gut.
4
Dissolution of urate crystals: As blood uric acid falls below the saturation point, urate crystals in joints and soft tissues slowly dissolve, reducing tophi and future attacks.
5
Reduced gout burden: Over months of consistent treatment, gout flares become less frequent and joint damage is reduced, but anti-inflammatory cover may be needed at the start.

💡 How to Take alloric 300mg tablet

Strength: This product is an immediate-release oral tablet containing allopurinol 300 mg.

1Take the tablet by mouth with a full glass of water.
2Take it after a meal or with food to reduce stomach upset.
3Try to take it at the same time each day to help you remember.
4Swallow the tablet whole; do not crush or chew unless your doctor or pharmacist says it is fine.
5Drink plenty of fluids throughout the day unless your doctor has told you to limit fluids.
6Do not take extra tablets if you think the dose is not working; contact your doctor instead.
7Keep taking the medicine regularly even when you feel well, because it works to prevent future attacks.

Dosage Information

Adult DosageThe usual starting dose for adults with gout is often 100 mg once daily, and the dose is then adjusted every few weeks according to serum uric acid levels, kidney function, and tolerability. Many patients need 200 mg to 300 mg daily, and some need higher doses, but the maximum daily dose should not exceed 900 mg. In tumour lysis syndrome, higher doses may be used under specialist supervision. Dose must be individualized by a qualified clinician based on indication, age, weight, renal and hepatic function, and other medicines being taken.
Pediatric DosagePediatric dosing is not established from available information for this tablet. Allopurinol is sometimes used in children for specific conditions such as tumour lysis syndrome or certain metabolic disorders, but only under specialist supervision. Consult a pediatrician.
Elderly DosageOlder adults often have reduced kidney function, which can raise blood levels of allopurinol and its metabolite. Doctors usually start with a lower dose and adjust based on kidney function and uric acid levels. Regular monitoring of kidney function, liver function, and blood counts is especially important in this age group.
Renal ImpairmentBecause allopurinol and oxypurinol are cleared by the kidneys, the dose must be reduced in people with kidney impairment. Doctors commonly start with a lower dose, such as 50 to 100 mg daily, and increase slowly while monitoring uric acid levels and kidney function. In severe kidney disease, specialist advice is needed and the dose may need to be given less often.
Hepatic ImpairmentIn people with liver disease, allopurinol should be used with caution. Doctors may start with a lower dose and monitor liver function tests regularly. If liver enzymes rise significantly or symptoms of liver injury appear, the medicine may need to be stopped.
Maximum Daily DoseThe maximum recommended daily dose is 900 mg, but most patients need much less. Doses above 300 mg are often given in divided doses. The exact maximum for an individual is decided by the doctor based on the condition being treated and kidney function.

Dosage Timeline

🌅 Morning ❌ ☀️ Afternoon ❌ 🌆 Evening ❌ 🌙 Night ❌

🍽️ Food Timing Guide

Meals
Take the tablet after food
Reduces stomach upset and nausea.
Water
Drink plenty throughout the day
Helps the kidneys clear uric acid and reduces stone risk.
Alcohol
Avoid or limit
Raises uric acid and can trigger gout attacks.
High-purine foods such as red meat, organ meats, and shellfish
Limit
These foods increase uric acid production.
Sugary drinks and fructose-rich foods
Limit
Fructose can raise uric acid levels.

⏰ What to Do If You Miss a Dose

📌 Less than half the dosing interval has passed
→ Take the missed dose as soon as you remember.
💡 Continue with your regular schedule afterwards.
📌 More than half the dosing interval has passed
→ Skip the missed dose and take the next dose at the usual time.
💡 Do not double the dose to catch up.
📌 You are unsure what to do
→ Contact your doctor or pharmacist for advice.
💡 Never take extra tablets without medical advice.

⚠️ Side Effects of alloric 300mg tablet

✅ Common Side Effects

Skin rash or itching (Common (up to 5%))
Stop the medicine and contact your doctor, because a rash can occasionally signal a serious reaction.
Nausea or stomach discomfort (Common)
Take the tablet after food and drink water. Tell your doctor if it continues.
Diarrhoea (Common)
Stay hydrated. Seek advice if diarrhoea is severe or lasts more than a few days.
Headache (Uncommon)
Rest and drink fluids. Consult your doctor if headaches are frequent or severe.
Temporary rise in liver enzymes (Uncommon)
Continue only under medical supervision and keep follow-up blood tests.

🚨 Serious Side Effects

Severe skin reactions such as Stevens-Johnson syndrome or toxic epidermal necrolysis (Rare)
Stop the medicine immediately and seek emergency care if you develop fever, sore mouth, painful skin, blisters, or peeling skin.
Drug reaction with eosinophilia and systemic symptoms (DRESS) (Rare)
Seek urgent medical help for fever, rash, facial swelling, or enlarged lymph nodes.
Liver injury (Rare)
Report yellowing of eyes or skin, dark urine, or right upper abdominal pain immediately.
Kidney problems or worsening kidney function (Uncommon)
Keep blood tests as advised and report reduced urine output or swelling.
Low white blood cells or platelets (Rare)
Report fever, sore throat, unusual bruising, or bleeding to your doctor promptly.
Severe gout flare when starting treatment (Common at treatment start)
Do not stop the medicine on your own. Contact your doctor, who may prescribe anti-inflammatory cover.

⚠️ Rare Side Effects

Peripheral neuropathy
Report numbness, tingling, or weakness in hands or feet to your doctor.
Cataract or eye changes
Report blurred vision or eye discomfort for assessment.
Hair loss
Discuss with your doctor if it becomes bothersome.
Pancreatitis
Seek urgent care for severe upper abdominal pain radiating to the back.
Aplastic anaemia or agranulocytosis
Seek urgent care for fever, infections, or bleeding.

Consult your doctor if you experience any unusual symptoms.

🔬 Drug Interactions

Drug Severity Effect
Azathioprine Major
Mercaptopurine Major
Warfarin Major
Thiazide diuretics Moderate
Amoxicillin or ampicillin Moderate
Loop diuretics Moderate
ACE inhibitors Moderate
Phenytoin Moderate
Theophylline Moderate
Cyclosporine Moderate

🚨 Major Interactions

  • Azathioprine
  • Mercaptopurine
  • Warfarin
  • Thiazide diuretics
  • Amoxicillin or ampicillin

⚡ Moderate Interactions

  • Loop diuretics such as furosemide
  • Angiotensin-converting enzyme inhibitors
  • Phenytoin
  • Theophylline
  • Cyclosporine

🍷 Alcohol Interaction

Alcohol, particularly beer and spirits, can raise blood uric acid and trigger gout attacks. Drinking alcohol while taking this medicine may reduce its benefit and increase the chance of a flare. It is best to avoid alcohol or keep it to a minimum, and to discuss any alcohol use with your doctor.

🔎 Check Your Other Medicines

Educational tool. Always confirm with your doctor or pharmacist.

🛡️ Safety & Warnings

🚫 Contraindications

["Known hypersensitivity or allergy to allopurinol or any ingredient in the tablet","Previous severe reaction to allopurinol, such as Stevens-Johnson syndrome or DRESS","Acute gout attack, unless the doctor has specifically decided to start or continue treatment","Use with azathioprine or mercaptopurine without specialist supervision and dose adjustment","Severe liver disease, unless the doctor decides the benefit outweighs the risk","Pregnancy and breastfeeding, unless clearly needed and advised by a doctor"]

⚠️ Warnings & Precautions

["Serious skin reactions can occur, so any rash, blister, or sore mouth should be reported immediately and the medicine stopped.","Gout attacks may become more frequent in the first weeks or months of treatment; this does not mean the medicine is not working.","People with kidney or liver disease may need a lower dose and closer monitoring.","Patients of Han Chinese, Thai, Korean, or other high-risk ancestry may be advised to have HLA-B*5801 testing before starting, because this gene increases the risk of severe skin reactions.","Drink enough water to keep urine dilute and reduce the risk of uric acid stones.","Avoid alcohol and high-purine foods to get the best effect.","Do not stop or change the dose without talking to your doctor.","Tell your doctor about all other medicines, especially azathioprine, mercaptopurine, and warfarin."]

🤱 Lactation Safety

Allopurinol and its metabolite oxypurinol pass into breast milk. Because there is limited information on safety during breastfeeding, this medicine should be used only if clearly needed and after discussion with your doctor, who may consider monitoring the baby for any unusual effects.

💊 Overdose Management

Taking too much of this medicine can cause nausea, vomiting, dizziness, and diarrhoea, and in severe cases it may worsen kidney or liver function. If you suspect an overdose, contact your doctor or a poison control centre immediately and go to the nearest emergency department. Treatment is supportive, with monitoring of vital signs, kidney function, liver function, and blood counts. There is no specific antidote, and dialysis may be considered in severe cases with kidney failure.

⏰ Missed Dose

If you miss a dose, take it as soon as you remember, provided it is not almost time for the next dose. If it is nearly time for the next dose, skip the missed dose and continue with your regular schedule. Do not take two doses at the same time to make up for a missed one. If you are unsure, contact your doctor or pharmacist.

Additional Safety Advice

General Safety

Take this medicine only when a qualified doctor has prescribed it for you, and never share it with anyone else. Swallow the tablet whole with a full glass of water, preferably after food, to reduce stomach upset. Drink plenty of water and other fluids each day unless your doctor has told you to limit fluids, because good hydration helps prevent uric acid crystals from forming in the kidneys. Do not start or stop this medicine on your own, and do not change the dose without medical advice. Tell your doctor about all other medicines, vitamins, and herbal products you take, especially azathioprine, mercaptopurine, warfarin, diuretics, and antibiotics, because some can interact with this medicine. Keep all follow-up appointments and blood tests, even if you feel well, because uric acid, kidney, liver, and blood counts need monitoring. Avoid alcohol, especially beer and spirits, as it can raise uric acid and make gout worse. If you are pregnant, planning pregnancy, or breastfeeding, speak to your doctor before using this medicine. If you develop a rash, fever, mouth sores, or any sign of an allergic reaction, stop the medicine and get medical help right away.

👴 Special Considerations for Elderly

💡 For Patients Above 65

Older adults are more likely to have reduced kidney function, which can raise blood levels of allopurinol and its metabolite. Doctors usually start with a lower dose and increase slowly, with regular checks of kidney function, liver function, and blood counts. Watch for dizziness, falls, or confusion, and report any new symptoms. Good hydration is especially important in this age group.

🤰 Pregnancy Planning (TTC)

If you are planning pregnancy, talk to your doctor before conceiving. Allopurinol is generally avoided in pregnancy unless the benefit clearly outweighs the risk. Your doctor may review your gout treatment and consider alternatives. Do not stop or start any medicine without medical advice if you are trying to conceive.

🏥 Post-Surgery Considerations

Tell your surgeon and anaesthetist that you are taking allopurinol before any operation. In most cases it can be continued, but your doctor will decide based on your kidney function, fluid balance, and the type of surgery. Good hydration after surgery is important to protect the kidneys. If you cannot take oral medicines for a while, your doctor will advise on an alternative plan.

🦷 Dental Procedures

Tell your dentist that you are taking allopurinol before any dental procedure. There is no major interaction with common dental anaesthetics, but it is important for your dental team to know your full medicine list, especially if you take blood thinners such as warfarin. Keep up good oral hygiene, and mention any mouth sores or rashes to your dentist and doctor.

💚 Lifestyle Tips for Better Results

🏃
Drink plenty of water every day to help your kidneys clear uric acid.
🥗
Limit alcohol, especially beer and spirits, which can raise uric acid.
😴
Maintain a healthy weight, as excess weight increases uric acid levels.
💧
Choose low-purine foods such as vegetables, whole grains, and low-fat dairy.
🧘
Limit red meat, organ meats, shellfish, and sugary drinks.
🌞
Stay physically active with low-impact exercise such as walking or swimming.
🚭
Keep all follow-up appointments and blood tests, even when you feel well.
🥑
Tell your doctor about any new medicine or supplement before starting it.

🏋️ Exercise Considerations

Regular exercise is good for gout and overall health, but during an acute gout attack, rest the affected joint and avoid strenuous activity. Stay well hydrated during exercise, especially in hot weather, because dehydration can raise uric acid and increase the risk of kidney stones. If you have joint damage or kidney problems, ask your doctor about the best type and amount of exercise for you.

🥗 Diet Recommendations

Drink at least 2 to 3 litres of water daily unless your doctor has told you to limit fluids.
Choose low-fat dairy products, which may help lower uric acid.
Eat plenty of vegetables and whole grains.
Limit red meat, organ meats, and shellfish.
Avoid sugary drinks and foods high in fructose.
Limit alcohol, especially beer and spirits.
Include vitamin C-rich foods such as oranges, lemons, and guava in moderation.
Maintain a healthy weight through balanced meals and regular activity.

💼 Impact on Daily Work & Life

Allopurinol usually does not affect your ability to work or drive. However, if you feel dizzy, tired, or unwell, avoid driving or operating heavy machinery until you feel better. During a gout flare, joint pain and swelling may make it hard to walk or use your hands, so you may need rest or time off work. Most people can continue their normal routine once uric acid is controlled and flares become less frequent.

🛑 When to Stop This Medicine

Do not stop this medicine on your own. Stop immediately and seek medical help if you develop a rash, fever, mouth sores, peeling skin, yellowing of the eyes or skin, dark urine, unusual bleeding, or any sign of a serious allergic reaction. Otherwise, continue the medicine as prescribed, even when you feel well. Your doctor may stop or change it if your uric acid is well controlled for a long time, if you develop significant side effects, or if your kidney or liver function changes.

📅 Long-Term Use Effects

Long-term use of allopurinol is generally safe and effective when monitored properly. It keeps uric acid low, reduces gout attacks, and can shrink tophi over months to years. Regular blood tests are needed to check kidney function, liver function, and blood counts, especially in the first few months and in people with kidney or liver disease. Rare long-term concerns include persistent skin reactions, blood count changes, and liver problems. Do not stop the medicine without medical advice, because uric acid can rise again and attacks may return.

🌿 Non-Medicine Approaches

These can complement medicine but do not replace prescribed treatment.

Febuxostat

Another oral xanthine oxidase inhibitor that can be used when allopurinol is not tolerated or not effective.

Evidence: Well-established
Uricosuric medicines such as probenecid

Help the kidneys remove more uric acid; suitable only for selected patients without uric acid stones or severe kidney disease.

Evidence: Moderate
Low-purine diet and lifestyle changes

Can help lower uric acid and reduce flares, but often not enough alone for people with frequent gout.

Evidence: Moderate
Weight loss and regular exercise

Supports overall gout control and reduces cardiovascular risk.

Evidence: Moderate

💉 Vaccination Considerations

💉 If You're Getting Vaccinated

There are no specific vaccine interactions with allopurinol. However, if you are receiving chemotherapy or have a weakened immune system, your doctor will advise on the timing of vaccines. Live vaccines are usually avoided during chemotherapy. Discuss your vaccination schedule with your doctor.

📦 Storage Guide

✅ DO

Store at room temperature between 15°C and 30°C

❌ DON'T

Do not refrigerate unless the label says so

✅ DO

Keep the tablets in the original container with the label

❌ DON'T

Do not transfer them to unmarked containers

✅ DO

Keep away from direct sunlight, heat, and moisture

❌ DON'T

Do not store in the bathroom or near the kitchen stove

✅ DO

Keep out of the reach of children and pets

❌ DON'T

Do not use after the expiry date

✈️ Traveling with This Medicine

Carry this medicine in its original packaging with the prescription label visible, and keep a copy of your prescription or doctor's letter with you, especially for international travel. Pack enough for your whole trip plus a few extra days in case of delays. Store it in your hand luggage at room temperature, away from heat and direct sunlight, and do not leave it in a hot car. If you are crossing time zones, keep taking the tablet at roughly the same interval as at home, or ask your doctor how to adjust. Declare the medicine at customs if required, and check the rules of your destination country before travelling.

💰 Cost Analysis & Savings

👥 Real Patient Stories

Educational, anonymized scenarios. Individual results may vary.

👤 A 52-year-old man with recurrent gout attacks in his big toe and a uric acid level of 9.2 mg/dL
He was started on allopurinol 100 mg daily and increased slowly to 300 mg daily over six weeks. His doctor also gave him a low-dose anti-inflammatory medicine for the first three months. He had one mild flare in the first month, which settled, and after four months his uric acid was 5.8 mg/dL with no further attacks. He learned to drink more water and cut down on beer.
💡 Lesson: Slow dose increases, anti-inflammatory cover, and patience are key. Flares in the first few months do not mean the medicine has failed.
👤 A 68-year-old woman with gout and mild kidney disease
Her doctor started allopurinol at 50 mg daily because of reduced kidney function and checked her kidney tests every few weeks. The dose was increased slowly to 100 mg daily, and her uric acid came down without any kidney problems. She was advised to avoid dehydration and to report any rash immediately.
💡 Lesson: In kidney disease, lower starting doses and regular monitoring make allopurinol safer and still effective.
👤 A 45-year-old man who developed itching and a red rash on his arms ten days after starting allopurinol
He stopped the tablet and contacted his doctor the same day. Blood tests were normal, and the rash settled with treatment. His doctor switched him to a different urate-lowering medicine and advised him to record allopurinol as an allergy in his medical records.
💡 Lesson: Any rash on allopurinol should be taken seriously. Early stopping and medical review can prevent a serious reaction.

💬 Questions Patients Often Ask

Q: How long does allopurinol take to work?

A: Uric acid levels start to fall within one to two weeks, but the full benefit, such as fewer gout attacks and smaller tophi, usually takes several months of consistent treatment.

Q: Can I take allopurinol during a gout attack?

A: Allopurinol is not used to treat an acute attack. If you are already taking it, do not stop during a flare unless your doctor advises. If you are starting it, your doctor may wait until the attack settles or may start it with anti-inflammatory cover.

Q: What foods should I avoid while taking allopurinol?

A: Limit alcohol, especially beer and spirits, red meat, organ meats, shellfish, and sugary drinks. Drink plenty of water and eat a balanced diet.

Q: Does allopurinol cause weight gain?

A: Weight gain is not a common side effect of allopurinol. If you notice weight changes, discuss it with your doctor.

Q: Can allopurinol be taken long term?

A: Yes, many people take it for years to keep uric acid low and prevent gout attacks. Regular blood tests are needed to monitor kidney and liver function.

Q: What are the serious side effects of allopurinol?

A: Serious side effects include severe skin reactions, liver injury, kidney problems, and blood count changes. Seek urgent care for rash, fever, mouth sores, yellowing of the eyes or skin, or unusual bleeding.

Q: Is allopurinol safe in kidney disease?

A: It can be used in kidney disease, but the dose usually needs to be lower and kidney function must be monitored regularly.

Q: Can I drink alcohol with allopurinol?

A: It is best to avoid or limit alcohol, because it raises uric acid and can trigger gout attacks.

Q: What happens if I stop allopurinol suddenly?

A: Uric acid can rise again and gout attacks may return. Do not stop unless your doctor advises it.

Q: What should I do if I get a rash while taking allopurinol?

A: Stop the medicine and contact your doctor immediately. A rash can sometimes be the first sign of a serious reaction.

🤔 Common Patient Concerns

💭 These are the concerns patients most commonly raise

  • Can I take this medicine long-term?
  • Will it affect my kidney function?
  • Can I drive after taking this medicine?
  • Does it interact with my blood pressure medicine?
  • What if I miss a dose?
  • Can I drink alcohol while taking this?
  • Will it cause weight gain?
  • Can it cause hair loss?
  • Is it safe during pregnancy?
  • What should I do if I get a rash?

🔄 Substitutes for alloric 300mg tablet

View All

Alternative brands with exact same active ingredient:

Medical Note: Always consult your doctor before switching medications.

🛑 Myths vs. Facts

  • Myth: Allopurinol gives immediate relief from gout pain.
    Fact: Allopurinol lowers uric acid over weeks and does not relieve an acute attack. It may even trigger a flare when started, so anti-inflammatory cover is often needed.
  • Myth: You can stop allopurinol once the pain goes away.
    Fact: Stopping suddenly can cause uric acid to rise again and lead to more gout attacks. Only stop if your doctor advises it.
  • Myth: Allopurinol damages the kidneys in everyone.
    Fact: Allopurinol is generally safe for the kidneys when used correctly, but dose adjustment and monitoring are needed in people with kidney disease.
  • Myth: Allopurinol and alcohol can be mixed freely.
    Fact: Alcohol, especially beer and spirits, raises uric acid and can trigger gout, so it is best avoided or limited.
  • Myth: A rash while taking allopurinol is nothing to worry about.
    Fact: A rash can be the first sign of a serious reaction. Stop the medicine and contact your doctor promptly.

🔄 Alternative Options

Generic Alternatives

  • Allopurinol 100 mg tablet
  • Allopurinol 300 mg tablet

Brand Alternatives

  • Zyloric 300 mg tablet
  • Ciploric 300 mg tablet
  • Allopurinol 300 mg tablet (various manufacturers)

📊 Comparison with Similar Medicines

[{"medicine":"Allopurinol 300 mg","class":"Xanthine oxidase inhibitor","main_use":"Gout, hyperuricaemia, uric acid stones, tumour lysis syndrome","route":"Oral","notes":"Well-established, inexpensive, requires kidney-based dose adjustment."},{"medicine":"Febuxostat","class":"Xanthine oxidase inhibitor","main_use":"Gout and hyperuricaemia","route":"Oral","notes":"Alternative for people who cannot take allopurinol; may have different cardiovascular considerations."},{"medicine":"Probenecid","class":"Uricosuric","main_use":"Gout and hyperuricaemia in selected patients","route":"Oral","notes":"Increases uric acid excretion; not suitable for people with uric acid stones or kidney disease."},{"medicine":"Colchicine","class":"Anti-inflammatory","main_use":"Acute gout and prevention of flares","route":"Oral","notes":"Does not lower uric acid; often used with allopurinol at the start of treatment."}]

😊 Was this information helpful?

Browse Medicines A-Z

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Back to Medicines Directory