Answer
No. It is a cephalosporin beta-lactam antibiotic. Cross-allergy can occur, so discuss any previous serious penicillin reaction before use.
Sources for this answer
- Cefaclor 500 mg capsules — 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.