Polydexa Not available

Indication

Treatment of bacterial infections of the outer ear (otitis externa) and prevention of infection following otological surgery. Combines antibiotic activity (polymyxin B and neomycin) with anti-inflammatory action (dexamethasone).

Ingredients

• Polymyxin B Sulfate 10
• 000 IU
• Neomycin Sulfate 3
• 250 IU
• Dexamethasone 0.1%

Direction

Adults and children over 2 years: instil 3–4 drops into the affected ear(s) 3–4 times daily. Do not use for more than 7–10 days unless directed by a physician. Warm the bottle in your hands before use to minimise dizziness.

Side effects

• Local irritation or burning sensation
• Allergic contact dermatitis (particularly to neomycin)
• Transient hearing loss or tinnitus (rare)
• Secondary fungal infection with prolonged use

Precautions

• Contraindicated in patients with a perforated eardrum.
• Contraindicated in viral or fungal ear infections.
• Prolonged use may lead to secondary infections or emergence of resistant organisms.
• May cause sensitisation to neomycin — discontinue if allergic reaction develops.
• Avoid contact with eyes.
• Keep out of reach of children.