Comparative Pharmacology
Head-to-head clinical analysis: HYDROCORTISONE versus OTOCORT.
Peer-Reviewed Evidence
Head-to-head clinical analysis: HYDROCORTISONE versus OTOCORT.
HYDROCORTISONE vs OTOCORT
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Hydrocortisone is a glucocorticoid that binds to the glucocorticoid receptor (GR), leading to altered gene expression. This results in anti-inflammatory, immunosuppressive, anti-proliferative, and vasoconstrictive effects. It also modulates carbohydrate, protein, and lipid metabolism.
Otocort is a combination product containing hydrocortisone (a corticosteroid), neomycin (an aminoglycoside antibiotic), and polymyxin B (a polymyxin antibiotic). Hydrocortisone suppresses inflammation by inhibiting phospholipase A2, reducing prostaglandin and leukotriene synthesis. Neomycin binds to bacterial 30S ribosomal subunit, inhibiting protein synthesis. Polymyxin B disrupts bacterial cell membrane permeability by binding to lipopolysaccharides.
Oral: 10-20 mg every 6-8 hours; IV/IM: 100-500 mg every 2-6 hours for acute conditions; typical maintenance: 20-240 mg/day divided every 8-12 hours.
1-2 drops into affected ear(s) twice daily; otic route.
None Documented
None Documented
Clinical Note
moderateHydrocortisone + Gatifloxacin
"The risk or severity of adverse effects can be increased when Hydrocortisone is combined with Gatifloxacin."
Clinical Note
moderateHydrocortisone + Rosoxacin
"The risk or severity of adverse effects can be increased when Hydrocortisone is combined with Rosoxacin."
Clinical Note
moderateHydrocortisone + Levofloxacin
"The risk or severity of adverse effects can be increased when Hydrocortisone is combined with Levofloxacin."
Clinical Note
moderateTerminal half-life: 1.5–2 hours (plasma). In tissues, biologic half-life is 8–12 hours due to intracellular activity. Half-life prolonged in hepatic impairment.
Hydrocortisone: plasma half-life 1.5-2 hours, biological half-life 8-12 hours due to intracellular receptor binding. Neomycin: terminal half-life 2-4 hours in patients with normal renal function; may prolong to 12-24 hours in renal impairment. Polymyxin B: terminal half-life 6-8 hours in normal renal function; significantly prolonged in renal failure (up to 2-3 days). Clinical context: Topical/otic application yields negligible systemic concentrations, so half-life is relevant only if significant absorption occurs (e.g., damaged tympanic membrane).
Renal: primarily as inactive metabolites (cortisone, tetrahydrocortisone) and unchanged drug (<1%). Biliary/fecal: minimal (<5%).
Otocort is a combination product containing hydrocortisone, neomycin, and polymyxin B. The corticosteroid component undergoes hepatic metabolism with renal excretion of metabolites (<5% unchanged). Neomycin is minimally absorbed (3-6% from intact skin, higher from wounds) and excreted renally as unchanged drug (30-50%) and metabolites. Polymyxin B is not significantly absorbed through intact skin or tympanic membrane; systemic absorption negligible. Renal excretion of polymyxin B is slow (40-60% over 72 hours) via glomerular filtration. Fecal elimination accounts for <5% of absorbed dose for all components.
Category D/X
Category C
Corticosteroid
Otic Antibiotic/Corticosteroid
Hydrocortisone + Trovafloxacin
"The risk or severity of adverse effects can be increased when Hydrocortisone is combined with Trovafloxacin."