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.
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.
Scientist
1-301-816-8161
(MDANT05) Monograph Development-Antibiotics
Reference Standards Lili Wang, Technical Services Scientist
1-301-816-8129
RSTech@usp.org
USP32–NF27 Page 3062