What side effects may I notice from receiving Unasyn?

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

-allergic reactions like skin rash or hives, swelling of the face, lips, or tongue
-chest pain
-difficulty breathing
-fever, chills
-pain or difficulty passing urine
-redness, blistering, peeling or loosening of the skin, including inside the mouth
-seizures
-unusual bleeding, 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
-headache
-heartburn
-nausea, vomiting
-pain, irritation at the site of injection
-sore mouth, tongue
-stomach gas

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