PEDIOTIC Suspension (neomycin and polymyxin B sulfates and hydrocortisone otic suspension) is a sterile antibacterial and anti-inflammatory suspension for otic use. Each mL contains: neomycin sulfate equivalent to 3.5 mg neomycin base, polymyxin B sulfate equivalent to 10,000 polymyxin B units, and hydrocortisone 10 mg (1%). The vehicle contains thimerosal 0.001% (added as a preservative) and the inactive ingredients cetyl alcohol, glyceryl monostearate, mineral oil, polyoxyl 40 stearate, propylene glycol, and Water for Injection. Sulfuric acid may be added to adjust pH. PEDIOTIC Suspension has a minimum pH of 4.1, which is less acidic than the minimum pH of 3.0 for CORTISPORIN® Otic Suspension.

Neomycin sulfate is the sulfate salt of neomycin B and C, which are produced by the growth of Streptomyces fradiae Waksman (Fam. Streptomycetaceae). It has a potency equivalent of not less than 600 µg of neomycin standard per mg, calculated on an anhydrous basis.

Polymyxin B sulfate is the sulfate salt of polymyxin B ₁ and B ₂ , which are produced by the growth of Bacillus polymyxa (Prazmowski) Migula (Fam. Bacillaceae). It has a potency of not less than 6,000 polymyxin B units per mg, calculated on an anhydrous basis.

Hydrocortisone, 11(beta), 17, 21-trihydroxypregn-4-ene-3,20-dione, is an anti-inflammatory hormone.

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