davaindia allopurinol 300mg tablet

4.5 (14 reviews)

Allopurinol (300mg)

🏭 Davaindia Generic Pharmacy 📦 Varies by brand 💊 Allopathy 📅 Updated: Aug 21, 2026

📋 Prescription Required 💊 Generic Available

Medically Reviewed

SaathiMed Expert Panel | Aug 21, 2026

What is davaindia allopurinol 300mg tablet used for?

Alnol (Allopurinol) is used to treat PAIN ANALGESICS. It contains Allopurinol (300mg), which Inhibits xanthine oxidase, reducing conversion of hypoxanthine to xanthine and x. Always consult your doctor before use. Take as prescribed.

Generic Name: Allopurinol
Manufacturer: Davaindia Generic Pharmacy
Form: Allopathy
Pregnancy Category: C
Prescription Required: Yes

💡 Did You Know? The Indian pharmaceutical market is expected to reach $130 billion by 2030.

💊 davaindia allopurinol 300mg tablet Uses & Benefits

Gout, hyperuricemia, prevention of tumor lysis syndrome, recurrent calcium oxalate stones.

Off-label uses: Prevention of recurrent calcium oxalate stones, leishmaniasis (investigational).

📋 Drug Information

Generic Name(s)	Allopurinol
Brand Name	Alnol
Manufacturer	Davaindia Generic Pharmacy
Packaging / Form	Varies by brand (Allopathy)
Therapeutic Class	PAIN ANALGESICS
Action Class	Xanthine oxidase Inhibitors-gout
Route of Administration	Oral
Storage	Store at room temperature (20-25°C), protect from light and moisture.
Shelf Life	As per manufacturer

🔬 Pharmacology (PK/PD)

Pharmacokinetics

AbsorptionWell absorbed from the gastrointestinal tract (approximately 80-90% absorbed).

DistributionDistributed throughout total body water; negligible binding to plasma proteins.

Protein Binding<1%

MetabolismMetabolized primarily to oxypurinol (alloxanthine) by xanthine oxidase and aldehyde oxidase.

Half-LifeAllopurinol: 1-2 hours; Oxypurinol: 18-30 hours

ExcretionExcreted primarily in urine as oxypurinol and unchanged drug.

BioavailabilityApproximately 80-90%

Onset of Action24-48 hours for reduction of serum uric acid; clinical effect may take weeks.

Peak Plasma TimeAllopurinol: 1-2 hours; Oxypurinol: 4-7 hours

Duration of Action24 hours (once daily dosing)

How It Works

Inhibits xanthine oxidase, reducing conversion of hypoxanthine to xanthine and xanthine to uric acid.

Mechanism Steps

1Allopurinol is a structural analog of hypoxanthine.

2It competitively inhibits xanthine oxidase.

3Xanthine oxidase normally converts hypoxanthine to xanthine and xanthine to uric acid.

💡 How to Take davaindia allopurinol 300mg tablet

Follow your doctor's prescription exactly.

⚠️ Side Effects of davaindia allopurinol 300mg tablet

✅ Common Side Effects

Rash
Nausea
Diarrhea
Elevated liver enzymes

🚨 Serious Side Effects

Stevens-Johnson syndrome
Toxic epidermal necrolysis
Bone marrow suppression
Hepatitis

⚠️ Rare Side Effects

Alopecia
Peripheral neuropathy
Gynecomastia
Vasculitis

Consult your doctor if you experience any unusual symptoms.

🔬 Drug Interactions

⚠️ Drug	Severity	Effect
Azathioprine	Major	Increased risk of bone marrow suppression; reduce azathioprine dose.
6-Mercaptopurine	Major	Increased risk of toxicity; reduce 6-MP dose to 25-33%.
Warfarin	Major	Increased anticoagulant effect; monitor INR.
Cyclophosphamide	Major	Increased bone marrow suppression.
Thiazide diuretics	Moderate	Increased risk of allopurinol hypersensitivity.
ACE inhibitors	Moderate	Increased risk of hypersensitivity reactions.
Amoxicillin	Moderate	Increased risk of skin rash.
Ampicillin	Moderate	Increased risk of skin rash.
Antacids	Minor	Decreased absorption of allopurinol.
Theophylline	Minor	Increased theophylline levels.
Chlorpropamide	Minor	Increased risk of hypoglycemia.

🚨 Major Interactions

Azathioprine
6-Mercaptopurine
Warfarin
Cyclophosphamide

⚡ Moderate Interactions

Thiazide diuretics
ACE inhibitors
Amoxicillin
Ampicillin

ℹ️ Minor Interactions

Antacids
Theophylline
Chlorpropamide

🍽️ Food Interactions

High purine foods may reduce efficacy; no significant food-drug interaction.

🍷 Alcohol Interaction

Alcohol may increase serum uric acid levels and reduce efficacy.

🛡️ Safety & Warnings

🚫 Contraindications

Hypersensitivity to allopurinol; acute gout attack (do not start during attack).

📊 Monitoring Parameters

Serum uric acid, renal function, liver function, CBC (especially if on azathioprine/6-MP).

🤱 Lactation Safety

Allopurinol and oxypurinol are excreted in breast milk; use with caution.

💊 Overdose Management

Supportive care; no specific antidote; hemodialysis may remove allopurinol and oxypurinol.

⏰ Missed Dose

Take as soon as remembered unless almost time for next dose; do not double dose.

👨‍⚕️ Reviewed by Expert

SaathiMed Expert Panel

MD, PhD - Pharmacology

Last reviewed on: Aug 21, 2026

🔗 View Profile

🔄 Substitutes for davaindia allopurinol 300mg tablet

View All

Alternative brands with exact same active ingredient (Allopurinol (300mg)):

Medical Note: Always consult your doctor before switching medications.

⭐ User Reviews

Happy Patient Jul 10, 2026

Found this to be a helpful product. Good results.

Regular Customer Jul 10, 2026

This medicine was effective for me. I followed the doctor's advice.

Certified Buyer Jul 10, 2026

Effective and reliable. Worked as expected.

Verified User Jul 10, 2026