Answer
It is a topical antiseptic and disinfectant, not a systemic antibiotic.
Sources for this answer
- Chlorhexidine Acetate 0.015% w/v and Cetrimide 0.15% w/v, Irrigation Solution — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.