Answer
The previous reaction matters. A previous severe reaction to penicillins, cephalosporins or another beta-lactam is a contraindication. All antibiotic allergies should be reviewed before treatment.
Sources for this answer
- Ertapenem 1 g powder for concentrate for solution for 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.