| abstract |
To solve the invention, there is provided an agent for use in the treatment or prophylaxis of infections by multidrug-resistant gram-positive and / or gram-negative bacteria, in particular by beta-lactam antibiotics or glycopeptide antibiotic-resistant bacteria a) 0.001 to 10 wt .-% of a cationic oligomer or polymer, and b) from 0.0001 to 10% by weight of a biocidal component selected from the group of polyamino acids having one or more free -NH 2 groups in the polymer, the weights being based on the total weight of the composition. |