Answer
No. It is a cephalosporin, although both cephalosporins and penicillins are beta-lactam antibiotics.
Sources for this answer
- Cefotaxime, 2 g, powder for solution for injection/infusion — 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.