Althrocin 500 mg Tablets contain Erythromycin Stearate, a macrolide-class antibiotic effective against a wide range of gram-positive and some gram-negative bacteria. It is commonly used to treat respiratory tract infections, skin conditions, and sexually transmitted infections, particularly in patients who are allergic to penicillin.

• Broad-spectrum antibiotic for various bacterial infections

• Alternative to penicillin in allergic patients

• Oral tablet formulation for convenient use

• Effective in treating respiratory, skin, ENT, and urogenital infections

• Trusted antibiotic with decades of clinical use

Althrocin 500 mg is prescribed for:

• Respiratory tract infections (pneumonia, bronchitis, sinusitis)

• Streptococcal pharyngitis and tonsillitis

• Skin and soft tissue infections

• Acne vulgaris

• Diphtheria treatment and prophylaxis

• Chlamydia and mycoplasma infections

• Pertussis (whooping cough)

• Prophylaxis in rheumatic fever (as an alternative to penicillin)

• Adults: Typically, 500 mg every 6 hours, or as prescribed

• Children: Dosage based on body weight and clinical condition

• Can be taken with or without food; food may help minimize stomach upset

• Complete the full course even if symptoms resolve early

• Follow your doctor’s instructions precisely

• Not suitable for those with known hypersensitivity to erythromycin

• Caution in patients with hepatic dysfunction

• May interact with drugs like warfarin, digoxin, theophylline, and statins

• Use during pregnancy only if clearly needed and prescribed by a doctor

• Should not be used to treat viral infections

Common side effects include:

• Gastrointestinal upset (nausea, vomiting, diarrhea)

• Abdominal cramps

• Mild skin rash or itching

Serious but rare side effects:

• Liver enzyme elevation or hepatitis

• QT prolongation or arrhythmia (especially with other QT-prolonging drugs)

• Hearing loss (at high doses or prolonged use)

• Severe allergic reactions

• Store below 25°C, away from moisture

• Protect from direct sunlight

• Keep out of reach of children

• Do not use past the expiration date

Q1: What is the difference between 250 mg and 500 mg Althrocin tablets?
The 500 mg tablet contains double the dose of the active ingredient and is often used for more severe infections or when less frequent dosing is preferred.

Q2: Can I take this if I’m allergic to penicillin?
Yes, erythromycin is a safe alternative for people with penicillin allergies.

Q3: How long does it take to work?
Most users begin to feel improvement within 48 to 72 hours, though full recovery may take the entire prescribed course.