You should not use  Unasyn if you have ever had a severe allergic reaction to any type of penicillin or cephalosporin antibiotic, or if you have had liver problems while using Unasyn.
Before taking this medicine
You should not use this medicine if you are allergic to ampicillin or sulbactam, or if you have ever had
a severe allergic reaction to any type of penicillin or cephalosporin antibiotic; or
liver problems (hepatitis or jaundice) while using Unasyn.
Tell your doctor if you have ever had:
liver disease;
mononucleosis (also called "mono");
kidney disease;
an allergy to any medication; or
any other allergies.
Tell your doctor if you are pregnant or breastfeeding.
Do not give this medicine to a child without medical advice.
