Althrocin 100mg Drop (erythromycin) - Complete Medicine Guide
Clinical Reference Standards: CDSCO (Central Drugs Standard Control Organisation), Indian Pharmacopoeia (IP) & WHO | Last Updated: September 2026
When to Call Your Doctor IMMEDIATELY
- Severe allergic reaction (rash, swelling, difficulty breathing)
- Yellowing of skin or eyes
- Severe abdominal pain
- Bloody diarrhea
- Irregular heartbeat or palpitations
- Hearing loss
If experiencing severe symptoms, call emergency services immediately.
What is althrocin 100mg tablet used for?
This medicine is an oral antibiotic used to treat various bacterial infections. It works by stopping bacterial growth. Take it exactly as prescribed.
- Generic Name: Erythromycin
- Manufacturer: Alembic Pharmaceuticals Ltd
- Form: Allopathy
- Pregnancy Category: Consult doctor
- Prescription Required: Yes
🇮🇳 althrocin 100mg tablet के बारे में (Hindi Summary)
उपयोग: यह दवा एक एंटीबायोटिक है जिसका उपयोग विभिन्न जीवाणु संक्रमणों के इलाज के लिए किया जाता है। यह श्वसन तंत्र, त्वचा और यौन संचारित संक्रमणों के इलाज में प्रभावी है। यह वायरल संक्रमणों जैसे सर्दी-जुकाम के लिए प्रभावी नहीं है।
साइड इफेक्ट्स: आम दुष्प्रभावों में मतली, उल्टी, दस्त, पेट दर्द और भूख में कमी शामिल हैं। गंभीर दुष्प्रभाव दुर्लभ हैं लेकिन इनमें एलर्जी, यकृत की समस्या और हृदय ताल गड़बड़ी शामिल हो सकती है।
सुरक्षा सलाह: इस दवा को डॉक्टर के निर्देशानुसार ही लें। पूरा कोर्स पूरा करें। शराब से बचें। यकृत या हृदय रोग हो तो डॉक्टर को बताएं। एंटासिड या डेयरी उत्पादों के साथ 2 घंटे का अंतराल रखें।
💊 althrocin 100mg tablet Uses & Benefits
[{"condition":"Respiratory tract infections","description":"Used to treat infections of the throat, sinuses, and lungs caused by susceptible bacteria.","evidence":"Well-established"},{"condition":"Skin and soft tissue infections","description":"Effective against certain bacterial skin infections such as impetigo and erysipelas.","evidence":"Well-established"},{"condition":"Sexually transmitted infections","description":"Used for chlamydia and syphilis in patients allergic to penicillin.","evidence":"Well-established"},{"condition":"Whooping cough","description":"Used to treat and prevent pertussis in close contacts.","evidence":"Well-established"},{"condition":"Diphtheria","description":"Used as an adjunct to antitoxin to eliminate the bacteria.","evidence":"Well-established"}]
Off-label uses: [{"condition":"Gastroparesis","description":"Sometimes prescribed off-label to improve stomach emptying.","evidence":"Limited"},{"condition":"Acne vulgaris","description":"Topical or oral erythromycin may be used off-label for inflammatory acne.","evidence":"Limited"}]
Primary treatment for: Bacterial infections
Also treats: Respiratory tract infections, Skin infections, Sexually transmitted infections
📋 Drug Information
| Generic Name(s) | Erythromycin |
| Brand Name | Althrocin 500 Tablet |
| Manufacturer | Alembic Pharmaceuticals Ltd |
| Packaging / Form | Varies by brand (Allopathy) |
| Therapeutic Class | ANTI INFECTIVES |
| Action Class | Macrolides |
| Route of Administration | Oral |
| Storage | Store at room temperature between 15°C and 30°C. Protect from moisture and heat. Keep out of reach of children. |
| Shelf Life | 24 months from the date of manufacture. |
| WHO Guideline | Not established from the available information. |
| ICMR Guideline | Not established from the available information. |
👨⚕️ Doctor's Practical Tips
Evidence-based practical advice from experienced clinicians
🔍 Is This Medicine Right for Your Symptom?
Educational reference. Always consult a doctor for diagnosis.
🔬 How This Medicine Works (Pharmacology)
Pharmacokinetics
How It Works
This medicine works by binding to the 50S ribosomal subunit of susceptible bacteria, thereby inhibiting protein synthesis. This action is primarily bacteriostatic, but it can be bactericidal at higher concentrations. It prevents the growth and multiplication of bacteria, allowing the body's immune system to clear the infection.
Mechanism Steps
💡 How to Take althrocin 100mg tablet
Strength: Erythromycin 100 mg oral drops
Dosage Information
| Adult Dosage | The usual adult dose of this medicine is 250 mg to 500 mg every 6 to 12 hours, depending on the type and severity of the infection. For severe infections, higher doses may be used. The dose must be individualized by a qualified clinician based on indication, age, weight, renal and hepatic function. Always follow your doctor's prescription. |
| Pediatric Dosage | Pediatric dosing is not established from available information. Consult a pediatrician. |
| Elderly Dosage | Elderly patients may be more susceptible to side effects, especially hearing loss and heart rhythm disturbances. Dose adjustment may be necessary based on renal and hepatic function. Consult your doctor. |
| Renal Impairment | No specific dose adjustment is usually required for mild to moderate renal impairment. For severe renal impairment, use with caution and monitor closely. Consult your doctor. |
| Hepatic Impairment | Use with caution in patients with hepatic impairment. Dose reduction may be necessary. Monitor liver function tests. Consult your doctor. |
| Maximum Daily Dose | The maximum recommended daily dose is 4 grams, but this must be individualized by a clinician. |
Dosage Timeline
🍽️ Food Timing Guide
⏰ What to Do If You Miss a Dose
⚠️ Side Effects of althrocin 100mg tablet
✅ Common Side Effects
🚨 Serious Side Effects
⚠️ Rare Side Effects
Consult your doctor if you experience any unusual symptoms.
🔬 Drug Interactions
| Drug | Severity | Effect |
|---|---|---|
| Warfarin | Major | |
| Simvastatin | Major | |
| Terfenadine | Major | |
| Carbamazepine | Moderate | |
| Digoxin | Moderate | |
| Cyclosporine | Moderate | |
| Antacids | Minor | |
| Dairy products | Minor | |
| Grapefruit juice | Minor | |
| Alcohol | Moderate |
🚨 Major Interactions
- Terfenadine
- Astemizole
- Cisapride
- Warfarin
- Simvastatin
⚡ Moderate Interactions
- Carbamazepine
- Cyclosporine
- Digoxin
🍷 Alcohol Interaction
Alcohol may increase the risk of stomach upset and liver problems. It is advisable to avoid alcohol while taking this medicine.
🔎 Check Your Other Medicines
Educational tool. Always confirm with your doctor or pharmacist.
🛡️ Safety & Warnings
🚫 Contraindications
["Known allergy to erythromycin or other macrolides","Concurrent use with terfenadine, astemizole, or cisapride","History of QT prolongation or ventricular arrhythmias","Severe liver disease"]
⚠️ Warnings & Precautions
["Use with caution in patients with liver disease.","Use with caution in patients with heart rhythm disorders.","May cause superinfection with prolonged use.","Avoid in patients with myasthenia gravis as it may worsen symptoms.","Do not use for viral infections."]
🤱 Lactation Safety
Erythromycin is excreted in breast milk and may cause diarrhea or thrush in the nursing infant. It is generally considered compatible with breastfeeding, but consult your doctor.
💊 Overdose Management
Overdose may cause nausea, vomiting, diarrhea, and hearing loss. Seek immediate medical attention. Treatment is symptomatic and supportive. There is no specific antidote.
⏰ Missed Dose
If you miss a dose, take it as soon as you remember. If it is almost time for your next dose, skip the missed dose and continue with your regular schedule. Do not double the dose.
Additional Safety Advice
Take this medicine exactly as prescribed by your doctor. Do not share it with others. Complete the full course even if you feel better. Avoid alcohol while taking this medicine. Inform your doctor if you have liver disease, heart rhythm problems, or myasthenia gravis. Do not take antacids or dairy products within 2 hours of this medicine. If you miss a dose, take it as soon as you remember, but skip it if it is almost time for the next dose. Do not double the dose. Store at room temperature away from moisture and heat.
👴 Special Considerations for Elderly
💡 For Patients Above 65
Elderly patients are at higher risk of hearing loss and heart rhythm disturbances. Use with caution and monitor closely.
🤰 Pregnancy Planning (TTC)
If you are planning pregnancy, consult your doctor before taking this medicine. It is generally considered safe but should be used only when clearly needed.
🏥 Post-Surgery Considerations
Inform your surgeon if you are taking this medicine before surgery, as it may interact with anesthetics and other medications.
🦷 Dental Procedures
Inform your dentist if you are taking this medicine, as it may interact with certain antibiotics used in dental procedures.
💚 Lifestyle Tips for Better Results
🏋️ Exercise Considerations
If you experience dizziness or fatigue, avoid strenuous exercise until you feel better. Consult your doctor before resuming intense workouts.
🥗 Diet Recommendations
💼 Impact on Daily Work & Life
This medicine may cause dizziness or fatigue in some people. Avoid driving or operating heavy machinery if you experience these effects. Most people can continue their normal activities.
🛑 When to Stop This Medicine
Stop taking this medicine only after completing the full course or as directed by your doctor. Do not stop early even if you feel better, as this can lead to resistance. If you experience serious side effects, contact your doctor immediately.
📅 Long-Term Use Effects
Long-term use of this medicine may lead to bacterial resistance and superinfections. Regular monitoring of liver function and hearing is advised for prolonged therapy. Use only as prescribed.
🌿 Non-Medicine Approaches
These can complement medicine but do not replace prescribed treatment.
Another macrolide antibiotic with a longer half-life and fewer GI side effects.
Evidence: Well-establishedSimilar spectrum but may have more drug interactions.
Evidence: Well-established💉 Vaccination Considerations
💉 If You're Getting Vaccinated
This medicine does not interact with vaccines. However, if you are scheduled for a live vaccine, consult your doctor as antibiotics may affect the vaccine's effectiveness.
📦 Storage Guide
✅ DO
Store at room temperature (15-30°C)
❌ DON'T
Do not refrigerate unless specified
✅ DO
Keep in original container
❌ DON'T
Do not transfer to unmarked containers
✅ DO
Keep away from direct sunlight
❌ DON'T
Do not store in bathroom cabinet
✈️ Traveling with This Medicine
Carry this medicine in its original packaging with a copy of your prescription. Store at room temperature and protect from extreme heat. If traveling across time zones, adjust dosing schedule as advised by your doctor. Check customs regulations for carrying prescription medicines.
💰 Cost Analysis & Savings
👥 Real Patient Stories
Educational, anonymized scenarios. Individual results may vary.
💬 Questions Patients Often Ask
A: You may start feeling better within 1-2 days, but complete the full course as prescribed.
A: Yes, you can take it with food if it upsets your stomach, but avoid dairy products.
A: It is generally considered safe, but consult your doctor before use.
🤔 Common Patient Concerns
🔄 Substitutes for althrocin 100mg tablet
View AllAlternative brands with exact same active ingredient:
-
erythrocin 100mg tabletPfizer Ltd ₹15.52 4.9% CHEAPER
-
ortholate 100mg tabletOyster Labs Ltd ₹16.59 1.7% COSTLIER
-
Ticin SuspensionTorque Pharmaceuticals Pvt Ltd ₹17.54 7.5% COSTLIER
-
ortholate suspensionOyster Labs Ltd ₹19.22 17.8% COSTLIER
-
erythrocin 100 mg suspensionPfizer Ltd ₹19.61 20.2% COSTLIER
Medical Note: Always consult your doctor before switching medications.
🛑 Myths vs. Facts
- Myth: Antibiotics can cure viral infections.
Fact: This medicine is only effective against bacterial infections, not viruses. - Myth: You can stop taking it when you feel better.
Fact: You must complete the full course to prevent resistance.
🔄 Alternative Options
Generic Alternatives
- Erythromycin oral drops
Brand Alternatives
- Althrocin 100mg drop