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Corticosteroid + aminoglycoside

Betamethasone with neomycin

Brand names: Betnesol-N, Vista-Methasone N

Adult dose

Dose: Skin: BD; Eye: 1–2 drops 2–6h; Ear: 2–3 drops TDS
Route: Topical / Otic / Ophthalmic
Frequency: Per indication

Clinical pearls

  • NICE CKS Otitis externa / NG198 eczema
  • Limit duration (≤7 days topical, ≤2 weeks ophthalmic without specialist)
  • Resistance to neomycin common

Contraindications

  • Untreated infection
  • Perforated tympanic membrane (relative — ototoxicity)
  • Glaucoma
  • Hypersensitivity

Side effects

  • Hypersensitivity
  • Ototoxicity (perforated drum)
  • Increased IOP / cataract (chronic eye use)
  • Skin atrophy

Interactions

  • Other ototoxic drugs

Monitoring

  • IOP / hearing if extended use
  • Skin response

Reference: BNF; NICE CKS Otitis externa; NICE NG198; ENT UK; https://bnf.nice.org.uk/drugs/betamethasone-with-neomycin/. Verify against your local formulary and the latest BNF before prescribing.

Related

Curated clinical cross-links plus same-class fallbacks.