| Acidifying solution |
| Acetic acid 2% solution | O | 3–5 drops tid-qid | X | Not for non-intact TMUse in-hospital prepared medication or self-prepared medication under physician guidance |
| Steroid agent |
| Dexamethasone 1 mg/mL ophthalmic suspension | X | No guidelines | O (Not for otic) | Low potencyUse with caution due to its approval as an ophthalmic solution |
| Prednisolone 10 mg/mL ophthalmic suspension | X | No guidelines | O (Not for otic) | Low potencyUse with caution due to its approval as an ophthalmic solution |
| Hydrocortision 0.5–2.5 mg/mL solution | X | No guidelines | O (Not for otic) | Low-to-medium potencyUse with caution as it is approved for external use, not specially for ear |
| Mometasone 1 mg/g cream | X | No guidelines | O (Not for otic) | Medium potencyUse with caution as it is approved for external use, not specially for ear |
| Triamcinolone 1 mg/g cream | X | No guidelines | O (Not for otic) | Medium-to-high potencyUse with caution as it is approved for external use, not specially for ear |
| Fluocinonide 0.5 mg/g cream | X | No guidelines | O (Not for otic) | High potencyUse with caution as it is approved for external use, not specially for ear |
| Tacrolimus agent |
| Tacrolimus 1 mg/g cream | *not studied | No guidelines(0.1% tacrolimus containing ear wick, q2–3 days) | O (Not for otic) | |
| Antifungal agent |
| Clotrimazole 10 mg/g cream | *not studied in human | No guidelines | O (Not for otic) | |
| Antibiotic solution |
| Ofloxacin 3 mg/mL otic solution | X | Adult: 6–10 drops bid* adjust by age (1+ years)/symptoms | O | Can be used in non-intact TM |
| Ciprofloxacin 2 mg/mL, and Hydrocortisone 10 mg/mL otic solution | X | Adult: 3 drops bid* adjust by age (1+ years)/symptoms | O | Can be used in non-intact TM |
| Ciprofloxacin 3 mg/mL, and Flucinolone acetonie 0.25 mg/mL otic solution | X | Adult: 4–6 drops tid* adjust by age (7+ years)/symptoms | O | Can be used in non-intact TM |
| Neomycin Sulfate 3,500 IU/g, Polymyxin B Sulfate 6,000 IU/mL, and Dexamethasone 1 mg/mL ophthalmic suspension | O | Adult: 2–4 drops tid-qid | O (Not for otic) | Not for non-intact TMUse with caution due to its approval as an ophthalmic solution |