EpistemisIntegrated Summary of Adjustment, Pharmacokinetics and Safety
Quick reference tool for the otorhinolaryngology specialist to verify the dose adjustment requirements in renal and hepatic failure, the safety category in pregnancy and the latent risk of ototoxicity or critical toxicity.
File
| Drug / Biomaterial | Renal Adjustment (eGFR cutoff) | Liver Adjustment | Pregnancy (FDA / PLLR) | Risk of Ototoxicity | Major Critical Toxicity |
|---|---|---|---|---|---|
| Ciprofloxacin / Dexamethasone | No otic dose adjustment required | No dosage adjustment required | Category C (Local Compatible) | Void (Safe in perforated eardrum) | Otomycosis due to prolonged use, local burning |
| Betahistine | No dosage adjustment required | No dosage adjustment required | Avoid (Lack of clinical data) | Null | Bronchospasm crisis, dyspepsia |
| Intratympanic corticosteroids | Does not require local dose adjustment | No dosage adjustment required | Compatible (No absorption) | Nil (Avoid excipients with alcohol) | Persistent tympanic perforation, labyrinthitis |
| Intratympanic Gentamicin | Does not require local adjustment (systemic eye) | No dosage adjustment required | Contraindicated (cochlear destruction) | Very Elevated (Selective cochleotoxic) | Severe irreversible sensorineural hearing loss |
| Mometasone / Nasal Fluticasone | No nasal dosage adjustment required | No dosage adjustment required | Compatible (Rhinitis of choice) | Null | Previous septal perforation, nasal scabs |
| Bilastine / Rupatadine | Rupatadine: Avoid in moderate-severe failure | Rupatadine: Avoid in underlying cirrhosis | Not recommended (Loratadine preferred) | Null | Drowsiness, headache, QTc prolongation |
| Nasal Oxymetazoline | No nasal dosage adjustment required | No dosage adjustment required | Not recommended (Vasoconstriction) | Null | Rhinitis medicament, vasomotor rebound |
| Montelukast | No dosage adjustment required | Does not require adjustment in mild-moderate | Supported (Safety tested) | Null | Serious neuropsychiatric events (FDA Black Box) |
| Nystatin (Suspension) | No oral dosage adjustment required | No dosage adjustment required | Compatible (Not absorbed) | Null | Nausea, dysgeusia, mild vomiting |
| Fluconazole (Systemic) | Reduce 50% if eGFR < 50 mL/min | Caution (Monitor transaminases) | Avoid (Risk of bone malformations) | Null | Fulminant hepatotoxicity, QTc prolongation |
| Pilocarpine | No dosage adjustment required | Reduce dose in Child B/C insufficiency | Contraindicated (Embryotoxicity) | Null | Profuse diaphoresis, severe bronchospasm |
| Chlorhexidine / Benzydamine | Does not require topical dosage adjustment | No dosage adjustment required | Compatible (No absorption) | Null (Eye in middle ear, ototoxic) | Brown dental staining, mucosal peeling |
| Amoxicillin / Clavulanic | Adjust dose if eGFR < 30 mL/min | Caution in cholestatic jaundice | Compatible (Choice) | Null | Collateral cholestatic hepatitis, diarrhea |
| Ceftriaxone / Clindamycin | Not required (Ceftriaxone max 2g if dual) | Clindamycin: Monitor in severe failure | Compatible (Category B) | Null | Colitis due to C. difficile, biliary sludge |
| Methylprednisolone / Deflazacort | No dosage adjustment required | Methylprednisolone: Reduce 25-50% in cirrhosis | Compatible (Methylprednisolone of choice) | Null | Cushing syndrome, adrenal withdrawal atrophy |
| Nebulized Adrenaline | No dosage adjustment required | No dosage adjustment required | Category C (Urgent life support) | Null | Rebound laryngeal edema, sinus tachycardia |
| Tranexamic Acid | Adjust to 50% at eGFR < 50; 25% in eGFR < 30 | No dosage adjustment required | Compatible in hemorrhagic emergencies | Null | Systemic thromboembolic events, seizures |
| Merocel (Clogging) | No dosage adjustment required | No dosage adjustment required | Absolutely compatible | Null | Septic shock syndrome (SSS), nasal synechiae |
Epistemis is educational review material. It is not a medical device, does not diagnose or prescribe treatment, and does not replace formal medical training, current clinical guidelines, or professional clinical judgment.
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- Otolaryngology
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- Comparative Table of Clinical Settings