Side effects

Ampicillin and sulbactam may cause side effects. If you are administering ampicillin and sulbactam into a muscle, it may be mixed with lidocaine (Xylocaine) to reduce pain at the injection site. Tell your health care provider if either of these symptoms is severe or does not go away:

• upset stomach
• diarrhea

If you experience any of the following symptoms, call your health care provider immediately:

• rash
• itching
• fever
• chills
• facial swelling
• wheezing
• difficulty breathing
• unusual bleeding or bruising
• dizziness
• seizures
• sore mouth or throat

If you experience a serious side effect, you or your doctor may send a report to the Food and Drug Administration's (FDA) MedWatch Adverse Event Reporting program online at http://www.fda.gov/MedWatch/report.htm or by phone 1-800-332-1088.