1. Clinical Overview
A fixed-dose combination topical preparation containing an antibiotic (Chloramphenicol), an antifungal (Clotrimazole), and a corticosteroid (Beclometasone). It is primarily used for the treatment of mixed bacterial and fungal skin infections complicated by inflammation. This combination addresses infection, inflammation, and pruritus simultaneously, commonly used for conditions like infected eczema, otitis externa, and intertrigo in the Indian clinical setting.
| Onset | Duration | Bioavailability |
|---|---|---|
| Beclometasone: Anti-inflammatory effects begin within a few hours. Chloramphenicol & Clotrimazole: Antimicrobial effects start upon contact, but clinical improvement is typically seen in 2-3 days. | Topical effect lasts for 8-12 hours post-application, necessitating twice-daily application. | Topical; systemic absorption is minimal (<1-2%) on intact skin but can increase significantly on inflamed, broken skin, or with occlusive dressings. |
2. Mechanism of Action
This combination exerts a triple action: Chloramphenicol inhibits bacterial protein synthesis, Clotrimazole disrupts fungal cell membrane integrity, and Beclometasone suppresses inflammatory and immune responses.
3. Indications & Uses
- Infected eczema (bacterial and/or fungal)
- Otitis externa (bacterial/fungal)
- Intertrigo (candidal or mixed)
- Infected seborrheic dermatitis
- Infected contact dermatitis
4. Dosage & Administration
Adult Dosage: Apply a thin layer to the affected area 2-3 times daily. For otitis externa: Instill 2-3 drops into the affected ear 3-4 times daily, or as directed by the physician.
Administration: Clean and dry the affected area thoroughly before application. Apply a thin film and rub gently. Wash hands before and after use. For ears, warm the drops bottle in hands before instillation. Keep the ear tilted for 2-3 minutes. Do not use occlusive dressings unless advised.
5. Side Effects
Common side effects may include:
- Local burning or stinging sensation
- Itching (pruritus) at application site
- Dryness of skin
- Erythema (redness)
6. Drug Interactions
| Drug | Effect | Severity |
|---|---|---|
| Other Topical Corticosteroids | Additive risk of skin atrophy and systemic absorption. | Major |
| Erythromycin, Clindamycin (topical) | Theoretical antagonism with chloramphenicol (bacteriostatic vs. bacteriostatic). | Moderate |
| Warfarin | Systemically absorbed chloramphenicol may inhibit metabolism, increasing INR risk. | Moderate |
| Phenytoin, Phenobarbital | May increase metabolism of beclometasone if absorbed systemically. | Minor |
| Amphotericin B, Nystatin (topical) | Theoretical antagonism with clotrimazole; avoid concurrent use. | Moderate |
7. Patient Counselling
- DO use exactly as prescribed by your doctor.
- DO clean and dry the area before application.
- DO use the smallest amount needed to cover the area thinly.
- DO wash your hands before and after application.
- DON'T use it for longer than 2 weeks unless advised.
- DON'T apply it to the eyes, mouth, or inside the nose.
- DON'T cover the area with tight bandages or occlusive dressings unless told to do so.
- DON'T share this medicine with others.
8. Toxicology & Storage
Overdose: Topical: Exaggerated local side effects - severe skin atrophy, striae, telangiectasia, signs of Cushing's syndrome (with massive topical overdose). Systemic: Nausea, vomiting, bone marrow depression (chloramphenicol), confusion, electrolyte imbalance.
Storage: Store below 30°C in a cool, dry place. Protect from light. Keep the tube/bottle tightly closed. Do not freeze. Keep out of reach and sight of children. Do not use after the expiry date printed on the pack.