Several plants have been evaluated not only for alone antimicrobial activity, but as resistance-modifying agent. This work is the first on the modulation of antibiotic activity by Lantana camara L. extracts against multiresistant strains of Escherichia coli and Staphylococcus aureus. The antibacterial activities of leaf and root ethanol extracts alone or in association with aminoglycosides were determined again...