althrocin 500 tablet - Erythromycin (500mg) medicine

althrocin 500 tablet

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🏭 Alembic Pharmaceuticals Ltd 📦 Varies by brand 💊 Allopathy 📅 Updated: Sep 21, 2026
🤰 Pregnancy Category B 📋 Prescription Required 💊 Generic Available
Medically Reviewed
11 min read
Reviewed by
SaathiMed Expert Panel | Sep 21, 2026

What is althrocin 500 tablet used for?

This medicine contains Erythromycin (500mg) and is used to treat ANTI INFECTIVES. Binds to 50S ribosomal subunit, inhibits protein synthesis. Always consult your doctor before use.

  • Generic Name: Erythromycin
  • Manufacturer: Alembic Pharmaceuticals Ltd
  • Form: Allopathy
  • Pregnancy Category: Category B
  • Prescription Required: Yes
💡 Did You Know? The first generic medicine was introduced in India in 1970 after the Patents Act was amended.

💊 althrocin 500 tablet Uses & Benefits

Respiratory tract infections, skin infections, pertussis, diphtheria, chlamydia, syphilis, Legionnaires' disease

Off-label uses: Gastroparesis, acne vulgaris

📋 Drug Information

Generic Name(s)Erythromycin
Brand NameAlthrocin 500 Tablet
ManufacturerAlembic Pharmaceuticals Ltd
Packaging / FormVaries by brand (Allopathy)
Therapeutic ClassANTI INFECTIVES
Action ClassMacrolides
Route of AdministrationOral
StorageStore at room temperature (20-25°C); protect from moisture
Shelf LifeAs per manufacturer

🔬 How This Medicine Works (Pharmacology)

Pharmacokinetics

AbsorptionAbsorbed from the gastrointestinal tract; food may delay absorption.
DistributionWidely distributed into body tissues and fluids; crosses placenta and enters breast milk.
Protein Binding65-90%
MetabolismHepatic via CYP3A4
Half-Life1.5-2 hours
ExcretionPrimarily biliary and fecal; about 2-15% renal
Bioavailability30-65%
Onset of Action1-2 hours
Peak Plasma Time1-4 hours
Duration of Action6-12 hours

How It Works

Binds to 50S ribosomal subunit, inhibits protein synthesis

Mechanism Steps

1Erythromycin enters bacterial cell
2Binds to 50S ribosomal subunit
3Inhibits translocation of peptidyl-tRNA
4Blocks protein synthesis
5Bacteriostatic or bactericidal effect

💡 How to Take althrocin 500 tablet

Follow your doctor's prescription exactly.

⚠️ Side Effects of althrocin 500 tablet

✅ Common Side Effects

Nausea
Vomiting
Abdominal pain
Diarrhea
Loss of appetite

🚨 Serious Side Effects

QT prolongation
Torsades de pointes
Hepatotoxicity
Pseudomembranous colitis
Severe allergic reactions

⚠️ Rare Side Effects

Reversible hearing loss
Interstitial nephritis
Pancreatitis
Myasthenia gravis exacerbation

Consult your doctor if you experience any unusual symptoms.

🔬 Drug Interactions

Drug Severity Effect
Warfarin Major Increased bleeding risk
Ergotamine Major Ergotism risk
Cisapride Major QT prolongation
Pimozide Major QT prolongation
Lovastatin Major Rhabdomyolysis risk
Simvastatin Major Rhabdomyolysis risk
Theophylline Moderate Increased theophylline levels
Digoxin Moderate Increased digoxin levels
Carbamazepine Moderate Increased carbamazepine levels
Cyclosporine Moderate Increased cyclosporine levels
Triazolam Moderate Increased sedation
Midazolam Moderate Increased sedation
Corticosteroids Minor Increased corticosteroid effect
Disopyramide Minor QT prolongation risk
Valproate Minor Decreased valproate levels

🚨 Major Interactions

  • Warfarin
  • Ergotamine
  • Cisapride
  • Pimozide
  • Lovastatin
  • Simvastatin

⚡ Moderate Interactions

  • Theophylline
  • Digoxin
  • Carbamazepine
  • Cyclosporine
  • Triazolam
  • Midazolam

🍷 Alcohol Interaction

No significant interaction

🛡️ Safety & Warnings

🚫 Contraindications

Hypersensitivity to erythromycin or macrolides; use with cisapride, pimozide, ergotamine, lovastatin, simvastatin

🤱 Lactation Safety

Compatible; caution

💊 Overdose Management

Supportive; monitor ECG; consider gastric lavage

⏰ Missed Dose

Take as soon as remembered; skip if near next dose; do not double

🔄 Substitutes for althrocin 500 tablet

View All

Alternative brands with exact same active ingredient:

Medical Note: Always consult your doctor before switching medications.

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