Chlorhexidine salts and compositions of same

摘要

The dinalidixate and diphosphanilate salts of chlorhexidine possess antibacterial activity. They exhibit synergism as compared with comparable concentrations of chlorhexidine and the respective free acid. Synergistic compositions comprising a mixture of a chlorhexidine salt with phosphanilic acid or a salt of phosphanilic acid, or with nalidixic acid, or a salt of nalidixic acid are disclosed. Dermatological compositions of such novel salts, and all such mixtures, are provided.