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Cerumenolytic

Urea hydrogen peroxide

Brand names: Otex, Earex

Adult dose

Dose: 5 drops in affected ear BD-TDS for 3-4 days
Route: Topical (otic)
Frequency: BD-TDS

Clinical pearls

  • Earwax softening before irrigation
  • Avoid if eardrum perforation

Contraindications

  • Perforated tympanic membrane
  • Active otitis externa
  • Hypersensitivity

Side effects

  • Local irritation
  • Effervescence sensation

Reference: BNF; NICE CG98; https://bnf.nice.org.uk/drugs/urea-hydrogen-peroxide/. Verify against your local formulary and the latest BNF before prescribing.

Related

Curated clinical cross-links plus same-class fallbacks.