FDA Section 4 \u2022 who must NOT take this
Piperacillin - Contraindications
These conditions, allergies, and situations mean Piperacillin should NOT be used. From the US FDA-approved drug label Section 4.
4 CONTRAINDICATIONS Piperacillin and tazobactam for injection is contraindicated in patients with a history of allergic reactions to any of the penicillins, cephalosporins, or beta-lactamase inhibitors.
Patients with a history of allergic reactions to any of the penicillins, cephalosporins, or beta-lactamase inhibitors.