Available Dosages
| SKU: | 379 |
|---|---|
| Generic For: | Eryped |
| Active Ingredient: | Erythromycin |
| Manufacturer: | Alembic, India |
Buy Althrocin 250mg (Erythromycin) Antibiotic for Infections
Althrocin 250mg is a prescription oral tablet containing Erythromycin 250mg, a macrolide antibiotic used for the treatment of a range of bacterial infections caused by susceptible organisms, as well as for non-infectious indications including acne vulgaris and gastroparesis. Althrocin 250mg represents the standard lower-dose formulation of Erythromycin — used both as a standalone therapeutic dose for mild-to-moderate infections and as the unit from which multi-tablet dosing is constructed for more severe indications. As one of the oldest macrolide antibiotic medications in clinical use, Erythromycin occupies a unique position in the antimicrobial formulary: effective against a broad range of both gram-positive and atypical organisms, well tolerated in most patients, and — importantly — an alternative for patients with penicillin allergy across a wide range of common bacterial infections.
What is Althrocin 250mg?
Althrocin 250mg is a film-coated oral tablet containing Erythromycin Stearate 250mg, the erythromycin salt with reliable oral bioavailability due to its acid stability compared to erythromycin base. The 250mg strength is used for infections where the standard four-times-daily dosing regimen (250mg qid = 1000mg/day total) is the prescribed therapeutic strategy, or for milder infections where dose titration from a lower total daily dose is appropriate. It is also the dose used for long-term low-dose suppressive therapy in acne vulgaris and for the management of prokinetic gastroparesis, where the dose-response relationship to antimicrobial activity is less critical than the agonism at the motilin receptor responsible for its prokinetic effect. The 10-tablet pack provides a 2.5-day supply at a four-times-daily dosing frequency, or a longer course at a lower-frequency dosing schedule.
Manufacturer: Althrocin 250mg is manufactured by Alembic Pharmaceuticals. Alembic’s Althrocin brand is the dominant Erythromycin product in the Indian market, widely used in primary care, paediatric practice, and specialist medicine.
The mode of action of Althrocin 250mg
Erythromycin, the active ingredient in Althrocin 250mg, exerts its antibacterial effect by binding reversibly to the 50S ribosomal subunit of susceptible bacteria — specifically at the 23S ribosomal RNA component — and inhibiting the translocation step of protein synthesis. By blocking the movement of peptidyl-tRNA from the acceptor site to the donor site on the ribosome, Erythromycin halts the elongation of the bacterial peptide chain, effectively preventing bacterial protein production. At low concentrations, this effect is bacteriostatic (suppresses growth without killing); at higher concentrations, particularly against highly susceptible organisms, it can be bactericidal. Erythromycin’s spectrum of activity covers gram-positive cocci (Streptococcus pyogenes, Streptococcus pneumoniae, Staphylococcus aureus in non-MRSA settings), gram-positive bacilli, and — critically — atypical organisms (Mycoplasma pneumoniae, Chlamydia trachomatis, Legionella pneumophila, Ureaplasma urealyticum) that are intrinsically resistant to beta-lactam antibiotics because they lack cell walls.
Beyond its antibiotic mechanism, Erythromycin is a potent motilin receptor agonist — motilin being an endogenous gastrointestinal peptide that stimulates gastric antrum and duodenal contractility and promotes gastric emptying. Erythromycin’s motilin receptor agonism is the basis for its clinical use as a prokinetic agent in gastroparesis, both diabetic and post-surgical, where it dramatically accelerates gastric emptying at sub-antimicrobial doses (3mg/kg IV or oral doses of 125 to 250mg) without the dopamine receptor antagonism and extrapyramidal side effects associated with metoclopramide.
Clinical Uses of Erythromycin 250mg
Althrocin 250mg is used for a broad range of bacterial infections. For upper respiratory tract infections — including group A Streptococcal pharyngitis, acute otitis media, and community-acquired pneumonia caused by atypical organisms (Mycoplasma, Chlamydia, Legionella) — Erythromycin 250mg four times daily for 7 to 14 days is a well-established treatment protocol, particularly as a penicillin alternative. For skin and soft tissue infections caused by Streptococcus or susceptible Staphylococcus, Erythromycin remains a useful option in non-MRSA settings. Chlamydia trachomatis infection — including genital and ocular chlamydia — responds to Erythromycin 500mg four times daily for 7 days or the equivalent total daily dose. However, Azithromycin single-dose therapy has largely displaced it for uncomplicated chlamydia. For acne vulgaris, topical Erythromycin or oral low-dose Erythromycin is used as a second-line agent when tetracyclines are contraindicated.
Comparing Althrocin 250mg and Erythrocin 250mg: Brand vs Generic Differences
Eryped and Althrocin 250mg both contain Erythromycin, a macrolide antibiotic used to treat bacterial infections. Eryped is commonly available as a pediatric oral suspension, making it suitable for children who have difficulty swallowing tablets. Althrocin 250mg is generally available as tablets for adults and older children. While both medicines work similarly by stopping bacterial growth, they may differ in formulation, manufacturer, taste, dosage forms, and pricing.
Related strengths and products: These include Althrocin 500mg and erythromycin suspension formulations for pediatric use. Similar products include Erythrocin tablets and other macrolide antibiotics, such as azithromycin (Azee 250mg, Azee 500mg, and Azee 1000mg) and clarithromycin (Zoclar 250mg and Zoclar 500mg). These medicines are commonly prescribed for infections caused by susceptible bacteria.
Key Benefits of Althrocin 250mg
Althrocin 250mg provides the standard unit dose of the world’s most established macrolide antibiotic, with a uniquely broad clinical utility spanning respiratory, skin, atypical-organism, acne management, and prokinetic applications. Its role as the principal alternative to penicillin in patients with penicillin allergy — covering the same streptococcal and staphylococcal infections that penicillin targets, plus atypical organisms that penicillin cannot treat — makes it an indispensable component of the antibiotic armamentarium.
Usage warnings and precautionary advice for using Erythromycin 250mg
Erythromycin is a potent inhibitor of the CYP3A4 hepatic enzyme and the P-glycoprotein efflux transporter, leading to clinically significant interactions with a wide range of co-administered medications. Plasma levels of warfarin, digoxin, statins (particularly simvastatin and lovastatin), cyclosporine, tacrolimus, carbamazepine, and certain antiretrovirals are substantially increased by concurrent Erythromycin use, creating risks of toxicity; review all concurrent medications before prescribing. Erythromycin can prolong the cardiac QT interval; it should not be used concurrently with other QT-prolonging drugs and requires ECG monitoring in patients with pre-existing QT prolongation or cardiac arrhythmias. Caution is warranted in patients with hepatic disease, as Erythromycin is hepatically metabolised and cholestatic hepatitis — though rare — has been associated with prolonged use.
Side effects of Erythromycin 250mg
Gastrointestinal side effects are the principal tolerability limitation of oral Erythromycin: nausea, vomiting, abdominal cramping, and diarrhoea occur in a significant proportion of patients, driven in part by the drug’s agonism at the motilin receptor, which stimulates excessive gastrointestinal motility. Taking with food reduces but does not eliminate these effects. Reversible cholestatic jaundice has been reported, particularly with the estolate salt formulation, and less frequently with the stearate; liver function should be monitored in patients on prolonged therapy. QT interval prolongation is a class concern with macrolides; the risk is dose-dependent and greater with IV than oral administration. Hearing loss has been reported with very high doses or prolonged use, particularly in patients with renal or hepatic impairment. Allergic reactions, including rash, occur occasionally.
Benefits of Buying Althrocin 250mg Online from AllDayChemist
AllDayChemist provides genuine Althrocin 250mg at competitive prices with reliable international home delivery, ensuring that patients requiring Erythromycin-based treatment for bacterial infections, acne management, or prokinetic therapy have consistent access to a trusted macrolide antibiotic. AllDayChemist’s secure online platform, prescription upload facility, and worldwide shipping make it the convenient choice for patients worldwide.
Proper dosage and usage guide of Erythromycin 250mg
Take Althrocin 250mg orally at the prescribed dose and frequency, typically 250mg four times daily (every 6 hours) for most acute infections, or as directed. Take on an empty stomach (30 to 60 minutes before meals) where possible, as food reduces Erythromycin absorption; if gastrointestinal side effects occur, it may be taken with food, with a corresponding reduction in bioavailability. Swallow tablets whole with plenty of water. Complete the full prescribed course even if symptoms improve before completion — stopping early risks incomplete eradication and encourages resistance. Space doses as evenly as possible through the day and night to maintain consistent plasma levels. Moreover, incorrect usage may lead to antibiotic resistance. Therefore, it is important to know the pros and cons of antibiotic use. Be sure to consult a healthcare specialist before using any antibiotic medication. Store at room temperature below 25°C, away from moisture and direct light.
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