What side effects may I notice from receiving Piperacillin, Tazobactam?

Side effects that you should report to your doctor or health care professional as soon as possible:

-agitation or anxiety
-allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
-chest pain
-difficulty breathing, wheezing
-dizziness
-fast, irregular heartbeat
-fever or chills
-high blood pressure
-high blood sugar
-red spots on the skin
-redness, blistering, peeling or loosening of the skin, including inside the mouth
-seizures
-trouble passing urine or change in the amount of urine
-unusual bleeding or bruising
-unusually weak or tired

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

-diarrhea or constipation
-headache
-nausea, vomiting
-pain, swelling, or irritation at site where injected
-stomach upset
-trouble sleeping

This list may not describe all possible side effects for Piperacillin, Tazobactam. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.