Aleze 100mg (Allopurinol 100mg) in Kenya

ALEZE 100MG, supplied as 30 tablets, contains Allopurinol 100mg. Allopurinol is a widely used medication that specifically lowers uric acid levels in the body.¹ It belongs to a class of drugs called xanthine oxidase inhibitors.² While Zyloric is known as the original brand in Kenya, Aleze offers an accessible alternative. Doctors primarily prescribe Allopurinol for conditions caused by excessive uric acid, namely gout, certain types of kidney stones, and high uric acid levels resulting from cancer medications (tumor lysis syndrome).³

Unpacking the Formulation: Key Component and its Mechanism

Allopurinol’s therapeutic effect directly stems from its unique mechanism of action.

• Allopurinol (100mg):
  • Class: Xanthine Oxidase Inhibitor.⁴

     

  • Mechanism of Action: Uric acid forms in the body as a byproduct of purine metabolism.⁵ Xanthine oxidase, an enzyme, plays a crucial role in this process by converting hypoxanthine to xanthine, and then xanthine to uric acid.⁶ Allopurinol and its active metabolite, oxypurinol, effectively inhibit xanthine oxidase. Consequently, this inhibition reduces the production of uric acid, leading to lower uric acid levels in the blood and urine. By decreasing uric acid concentration, allopurinol helps to:

     

    • Prevent Gout Attacks: It reduces the formation of uric acid crystals in the joints, which cause the painful inflammation characteristic of gout.⁷

       

    • Prevent Kidney Stones: It minimizes the accumulation of uric acid that can lead to kidney stone formation.⁸

       

    • Manage Hyperuricemia in Cancer Therapy: In patients undergoing chemotherapy or radiation, rapid breakdown of cancer cells can release large amounts of purines, leading to a sudden surge in uric acid (tumor lysis syndrome). Allopurinol prevents this surge, protecting the kidneys from uric acid crystal deposition.

Addressing Health Concerns and User Needs

ALEZE 100MG directly addresses the challenges posed by high uric acid levels:

• Gout Management: For individuals suffering from recurrent gout attacks, Allopurinol effectively lowers uric acid, thereby preventing future flares and reducing chronic joint damage.⁹

   

• Kidney Stone Prevention: It plays a vital role in preventing the formation of uric acid kidney stones, which can cause severe pain and renal complications.¹⁰

   

• Hyperuricemia in Cancer Patients: In oncology settings, Allopurinol protects patients from acute kidney injury due to high uric acid levels, a serious complication of certain cancer treatments.
• Long-Term Control: It offers a long-term solution for managing chronic hyperuricemia, improving the quality of life for affected individuals.

Identifying Indications for Use

ALEZE 100MG is a prescription-only medication.¹¹ Doctors indicate it for:

• Management of Gout: For preventing acute gout attacks and dissolving existing urate crystals.¹²

   

• Treatment of Hyperuricemia: For high uric acid levels in the blood, whether primary or secondary (e.g., associated with certain malignancies or enzyme deficiencies).¹³

   

• Prevention of Uric Acid Nephropathy: To prevent kidney damage from uric acid deposition, especially in patients undergoing chemotherapy or radiation for cancer.¹⁴

   

• Prevention of Recurrent Uric Acid Kidney Stones.
• Management of Lesch-Nyhan Syndrome: A rare inherited disorder causing severe hyperuricemia.¹⁵

   

Primary Uses

The primary uses of ALEZE 100MG include:

• Lowering serum and urinary uric acid levels.¹⁶

   

• Preventing acute attacks of gouty arthritis.
• Dissolving uric acid and calcium oxalate kidney stones.
• Protecting kidneys from uric acid-induced damage during chemotherapy.¹⁷

   

Understanding Potential Side Effects and Critical Precautions

Allopurinol is generally well-tolerated, but like all medications, it can cause side effects.¹⁸ A small percentage of patients can experience serious, potentially life-threatening reactions.¹⁹

Common Side Effects (Usually Mild)

• Skin rash: This is the most common side effect and can range from mild to severe.
• Nausea or vomiting: Taking the medication after meals can help minimize this.
• Diarrhea.
• Drowsiness.
• Joint pain, stiffness, or swelling: Paradoxically, when you first start allopurinol, you might experience more gout attacks (flare-ups) as uric acid levels shift. Doctors often prescribe an anti-inflammatory drug (like NSAIDs or colchicine) during the initial weeks to manage this.

Less Common but Serious Side Effects (Seek immediate medical attention)

• Severe Skin Reactions (Hypersensitivity Syndrome, SJS/TEN): This is a rare but life-threatening allergic reaction.²¹ Symptoms include a severe rash with flushing, blisters, peeling skin, fever, sore throat, swollen glands, and multi-organ involvement (liver, kidney). People of Han Chinese, Thai, or Korean origin have a higher genetic risk for this severe reaction and should undergo genetic testing (HLA-B*5801 allele) before starting allopurinol.²²

   

• Liver Problems: Signs include yellowing of the skin or eyes (jaundice), dark urine, persistent nausea/vomiting, or severe stomach pain.
• Kidney Problems: Symptoms can include blood in urine, changes in urination frequency or amount, swelling of feet/lower legs, or difficulty breathing.
• Blood Disorders: This can involve low white blood cell counts (increasing infection risk) or low platelet counts (increasing bleeding risk). Signs might include unexplained bruising, unusual bleeding (e.g., prolonged nosebleeds, bleeding gums), or frequent infections.
• Allergic Reactions (Anaphylaxis): Although rare, a severe allergic reaction can occur, causing symptoms like difficulty breathing, swelling of the face/throat, severe dizziness, or chest tightness.²³

   

Critical Safety Warnings and Precautions for Aleze 100mg

Aleze 100mg is a prescription-only medication.²⁴ Only a qualified medical doctor can prescribe and manage its use.

• Initial Gout Flare-Ups: Be aware that gout attacks may increase during the initial weeks of allopurinol therapy as uric acid crystals redistribute.²⁵ Your doctor may prescribe prophylactic anti-inflammatory medication (e.g., colchicine or NSAIDs) during this period.

   

• Hydration: Drink plenty of fluids (8-10 glasses of water daily) while taking Allopurinol to help prevent kidney stones and ensure proper kidney function.²⁶

   

• Kidney Impairment: If you have kidney disease, your doctor will likely start you on a lower dose and slowly increase it. Allopurinol and its active metabolite are primarily eliminated by the kidneys, so dose adjustments are crucial to prevent drug accumulation and increased side effects.²⁷

   

• Liver Impairment: Use with caution if you have liver disease. Regular monitoring of liver function tests will be necessary.
• Skin Rash Monitoring: If you develop any rash, no matter how mild, stop taking Allopurinol immediately and contact your doctor. This could be the first sign of a severe allergic reaction.
• Genetic Risk (HLA-B*5801): If you are of Han Chinese, Thai, or Korean ancestry, discuss with your doctor about genetic testing before initiating therapy due to the increased risk of severe skin reactions.
• Drug Interactions: Inform your doctor about all other medications you are taking. Allopurinol interacts with several drugs:
  • Azathioprine or Mercaptopurine: Allopurinol significantly increases the levels of these immunosuppressants, necessitating a substantial dose reduction (often by 75%) of the immunosuppressant.
  • Warfarin: Allopurinol can enhance the effect of blood thinners, increasing bleeding risk.²⁸ Close monitoring of INR is required.

     

  • Ampicillin/Amoxicillin: Concomitant use may increase the risk of skin rash.²⁹

     

  • Thiazide Diuretics (e.g., hydrochlorothiazide) and ACE Inhibitors (e.g., captopril, enalapril): Concomitant use, especially in patients with kidney impairment, can increase the risk of severe hypersensitivity reactions to allopurinol.³⁰

     

• Alcohol: Alcohol can increase uric acid levels and trigger gout attacks; therefore, it can counteract the effects of allopurinol.³¹ Moderate or avoid alcohol consumption.

   

• Pregnancy and Breastfeeding: Use during pregnancy or breastfeeding is generally not recommended unless the potential benefits outweigh the risks. Discuss with your doctor.
• Driving/Operating Machinery: Allopurinol can cause drowsiness or dizziness.³² Avoid driving or operating machinery until you know how you react to the medication.

   

• Do not start Allopurinol during an acute gout attack. Wait until the attack has subsided.

Recommended Dosage and Administration Guidelines

• Dosage: For ALEZE 100MG, the starting dose for gout is typically 100mg once daily. Your doctor will gradually increase the dose, usually by 100mg increments every 1-4 weeks, until your serum uric acid levels are adequately controlled (usually below 6 mg/dL).³³

   

  • The usual maintenance dose for gout ranges from 200mg to 300mg per day. In some cases, doses up to 800mg per day may be necessary, often divided into multiple doses.³⁴

     

  • For hyperuricemia secondary to cancer therapy: Doses usually range from 300mg to 800mg per day, started 1-2 days before chemotherapy.
  • For kidney stones: Doses typically range from 200mg to 300mg per day.
  • Always follow your doctor’s precise dosage instructions. Do not adjust the dose on your own.
• Administration:
  • Take the tablets by mouth, usually once daily.³⁵ If your total daily dose exceeds 300mg, your doctor may advise you to divide the dose and take it twice or three times a day.

     

  • Take Allopurinol after meals to minimize stomach upset.³⁶

     

  • Take it with plenty of water to promote urination and help prevent kidney stone formation.³⁷

     

• Consistency: Take the medication regularly every day, as prescribed, to maintain consistent uric acid control. It may take several weeks for uric acid levels to reach target.
• Monitoring: Your doctor will regularly monitor your serum uric acid levels, kidney function (creatinine, eGFR), and liver function tests, especially during the initial weeks of treatment.

Price in Kenya (Approximate)

As of Thursday, June 26, 2025, the approximate price for ALEZE 100MG (ALLOPURINOL 100MG) – 30 TABLETS in Kenya ranges from Ksh 300 to Ksh 600.

Note: Prices can vary significantly between different pharmacies, depending on stock, supplier, and any prevailing import duties or taxes. Always contact specific pharmacies or hospitals for the most current pricing.

Conclusion

ALEZE 100MG (Allopurinol 100mg) serves as a foundational treatment in Kenya for conditions caused by high uric acid, particularly gout, uric acid kidney stones, and hyperuricemia associated with cancer treatment.³⁸ By inhibiting uric acid production, it effectively prevents debilitating gout attacks and kidney complications. While generally well-tolerated, it is crucial to remain vigilant for potential side effects, especially severe skin reactions, and to adhere strictly to the prescribed dosage and administration guidelines.³⁹ Since it is a prescription-only medicine, professional medical consultation and ongoing monitoring are essential to ensure safe and effective management of your condition.