Neomycin and Polymyxin B Sulfates and Gramicidin Cream
» Neomycin and Polymyxin B Sulfates and Gramicidin Cream contains the equivalent of not less than 90.0 percent and not more than 130.0 percent of the labeled amounts of neomycin, polymyxin B, and gramicidin.
Packaging and storage— Preserve in collapsible tubes or in well-closed containers.
USP Reference standards 11
USP Gramicidin RS
USP Neomycin Sulfate RS
USP Polymyxin B Sulfate RS
Minimum fill 755: meets the requirements.
Assay for neomycin and Assay for polymyxin B— Proceed with Cream as directed in the Assay for neomycin and in the Assay for polymyxin B under Neomycin and Polymyxin B Sulfates and Bacitracin Zinc Ophthalmic Ointment.
Assay for gramicidin— Proceed with Cream as directed in the Assay for gramicidin under Neomycin Sulfate and Gramicidin Ointment.
Auxiliary Information— Please check for your question in the FAQs before contacting USP.
Topic/Question Contact Expert Committee
Monograph Ahalya Wise, M.S.
Senior Scientific Liaison
1-301-816-8161
(SM12010) Monographs - Small Molecules 1
Reference Standards RS Technical Services
1-301-816-8129
rstech@usp.org
USP35–NF30 Page 4026