Preparation for topical use on mucous membranes with polyhexanide as active substance

The present invention relates to a particular pharmaceutical preparation for topical application in the non-frozen state on mucous membranes, especially in the mouth, nose and / or throat in humans, which thereof polyhexanide (polyhexamethylene biguanide) or a derivative having as (anti-infective) main active ingredient , The agent can contain further additives and are present in solid or liquid form. Polyhexanide preferably has an average molar mass of 1800-5000 g / mol, in particular 2000 to 3700 g / mol and very particularly preferably from 2300 to 3100 g / mol. Suitable preparations are in caused by potentially pathogenic microorganisms, but not by chlamydia irritation of the mucous membrane, or in inflammation as a result of such infection.