药物信息为Neomycin and Polymyxin B Sulfatesand Gramicidin Ophthalmic Solution USP (Bausch & Lomb Incorporated): DESCRIPTION

Neomycin and Polymyxin B Sulfates and Gramicidin Ophthalmic Solution USP is a sterile antimicrobial solution for ophthalmic use.

EACH mL CONTAINS: ACTIVES: Neomycin Sulfate, (equivalent to 1.75 mg neomycin base), Polymyxin B Sulfate equal to 10,000 Polymyxin B units, Gramicidin, 0.025 mg; INACTIVES: Sodium Chloride, Alcohol (0.5%), Poloxamer 188, Propylene Glycol, Purified Water. Hydrochloric Acid and/ or Ammonium Hydroxide may be added to adjust pH (4.7- 6.0).

PRESERVATIVE ADDED: Thimerosal 0.001%.

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 micrograms of neomycin base per milligram, calculated on an anhydrous basis.

The structural formulae are:

Polymyxin B Sulfate is the sulfate salt of polymyxin B_l 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:

Gramicidin (also called gramicidin D) is a mixture of three pairs of antibacterial substances (Gramicidin A, B and C) produced by the growth of Bacillusbrevis Dubos (Fam. Bacillaceae). It has a potency of not less than 900 mcg of standard gramicidin per mg. The structural formulae are: