A 28-year-old woman with a 5-year history of chronic suppurative otitis media and cholesteatoma presents with purulent ear discharge and mild otalgia. She is awaiting surgical intervention scheduled in 2 weeks. Which antibiotic is the drug of choice for controlling active infection during this pre-operative period?

Question

Accepted Answer

D. Ofloxacin otic drops. ## Pre-operative Medical Management of Cholesteatoma

**Key Point:** Fluoroquinolone otic drops (ofloxacin, ciprofloxacin) are the gold standard for controlling active infection in cholesteatoma before definitive surgical management.

### Why Ofloxacin Otic Drops?

1. **Broad-spectrum coverage** — effective against *Pseudomonas aeruginosa*, *Staphylococcus aureus*, and other gram-negative organisms commonly isolated from cholesteatoma
2. **Biofilm penetration** — achieves high local concentrations and penetrates bacterial biofilms in the middle ear and mastoid
3. **Safe in perforated ears** — unlike aminoglycosides, fluoroquinolones are not ototoxic and are safe with tympanic membrane perforation
4. **Reduces drainage** — helps control suppuration pre-operatively, reducing operative field contamination

### Fluoroquinolone Otic Agents

| Agent | Advantages | Disadvantages |
|-------|-----------|---------------|
| **Ofloxacin** | Broad-spectrum, non-ototoxic, penetrates biofilm | Cost (higher) |
| **Ciprofloxacin** | Similar efficacy, widely available | Similar profile |
| ~~Gentamicin~~ | Gram-negative coverage | **Ototoxic** — contraindicated in perforated ears |
| ~~Aminoglycosides~~ | Potent gram-negative coverage | **Ototoxic** — risk of permanent sensorineural hearing loss |

**High-Yield:** Aminoglycosides (gentamicin, tobramycin) are **absolutely contraindicated** in cholesteatoma with tympanic membrane perforation because they cross the round window membrane and cause irreversible ototoxicity.

**Clinical Pearl:** The goal of pre-operative medical management is to reduce discharge and infection, making the surgical field cleaner and reducing post-operative infection risk. However, medical therapy alone does NOT cure cholesteatoma — surgery is definitive.

Answer

A. Gentamicin otic drops

Answer

B. Clotrimazole otic drops

Answer

C. Ceftriaxone intravenous

Explanation

Pre-operative Medical Management of Cholesteatoma

Why Ofloxacin Otic Drops?

Fluoroquinolone Otic Agents

Practice similar questions

Join our NEET PG community

Agent	Advantages	Disadvantages
Ofloxacin	Broad-spectrum, non-ototoxic, penetrates biofilm	Cost (higher)
Ciprofloxacin	Similar efficacy, widely available	Similar profile
~~Gentamicin~~	Gram-negative coverage	Ototoxic — contraindicated in perforated ears
~~Aminoglycosides~~	Potent gram-negative coverage	Ototoxic — risk of permanent sensorineural hearing loss