Neo-Poly-Dex

Generic name:neomycin sulfate, polymyxin b sulfate, and dexamethasone
Dosage form: ophthalmic ointment
Drug class:Ophthalmic steroids with anti-infectives

Medically reviewed by Drugs.com. Last updated on Oct 22, 2021.

(Sterile)

Rx only

DESCRIPTION:

Neomycin and Polymyxin B Sulfates and Dexamethasone Ophthalmic Ointment USP is a multiple dose anti-infective steroid combination in a sterile ointment for topical application. The active ingredient dexamethasone, is represented by the following structural formula:

C22H29FO5 Mol. Wt. 392.47

Chemical Name: Pregna-1,4-diene-3,20-dione, 9-fluoro-11,17,21-trihydroxy-16-methyl-, (11β,16α)-.

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 to not less than 600 micrograms of neomycin base per milligram, calculated on an anhydrous basis. The structural formulae are:

Polymyxin B Sulfate is the sulfate salt of polymyxin B1 and B2 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 milligram, calculated on an anhydrous basis.

The structural formulae are:

Each Gram Contains: ACTIVES: Neomycin Sulfate (equivalent to 3.5 mg Neomycin), Polymyxin B Sulfate, equal to 10,000 polymyxin B units; Dexamethasone 1 mg (0.1%). INACTIVES: White Petrolatum, Lanolin, Mineral Oil.

PRESERVATIVES ADDED: Methylparaben 0.05%, Propylparaben 0.01%.