
Otitis Media
When to Use Antibiotics
Persistent/worsening symptoms >48 hours.
Age <6 months.
ATSI patients (higher risk).
Bilateral OM in children <2 years.
Fever, lethargy, or systemic signs.
Otorrhoea or perforated tympanic membrane.
Single hearing ear or cochlear implant.
First-Line Treatment
Amoxicillin: 15 mg/kg TDS (max 500 mg) for 5 days.
ATSI: 50 mg/kg/day for 7 days; increase to 90 mg/kg/day for bulging TM.
Alternatives
Mild penicillin allergy: Cefuroxime 15 mg/kg BD (max 500 mg) for 5 days.
Severe penicillin allergy: Trimethoprim + Sulfamethoxazole 4+20 mg/kg BD (max 160+800 mg) for 5 days.
Recurrent OM or recent antibiotics
Amoxicillin + Clavulanate (Augmentin DF): BD for 5–7 days.
Follow-Up
Return if no improvement after 48–72 hours.
Monitor hearing after 2–3 months (OMwE risk).
ATSI Considerations
Higher risk of chronic suppurative OM; treat aggressively.
Antibiotics always for bulging TM or single hearing ears.
Minimum 7-day antibiotic course.
When to Escalate
No improvement after 48–72 hours: Switch to Amoxicillin + Clavulanate.
Recurrent OM (>3 episodes in 6 months or >4 in 12 months): ENT referral for grommets.
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