Medical Information
In order to provide you with relevant and meaningful content we need to know more about you.
Please choose the category that best describes you.
This content is intended for U.S. Healthcare Professionals. Would you like to proceed?
If you provide additional keywords, you may be able to browse through our database of Scientific Response Documents.
If you provide additional keywords, you may be able to browse through our database of Scientific Response Documents.
UNASYN is indicated for the treatment of infections due to susceptible strains of the designated microorganisms in the conditions listed below.
Skin and Skin Structure...
The pharmacy bulk package is for preparation of solutions for IV infusion only. UNASYN should be administered by slow intravenous injection over at least 10–15 minutes or can also be delivered in...
The use of UNASYN is contraindicated in individuals with a history of serious hypersensitivity reactions (e.g., anaphylaxis or Stevens-Johnson syndrome) to ampicillin, sulbactam or to other beta-lactam...
Serious and occasionally fatal hypersensitivity (anaphylactic) reactions have been reported in patients on penicillin therapy. These...
UNASYN is generally well tolerated. The following adverse reactions have been reported in clinical trials.
Neurological adverse reactions, including convulsions, may occur with the attainment of high CSF levels of beta-lactams. Ampicillin may be removed from circulation by hemodialysis. The molecular weight, degree of...
UNASYN is an injectable antibacterial combination consisting of the semisynthetic antibacterial ampicillin sodium and the beta-lactamase inhibitor sulbactam sodium for intravenous and intramuscular administration...
Immediately after completion of a 15-minute intravenous infusion of UNASYN, peak serum concentrations of ampicillin and sulbactam are...
Data from a controlled clinical trial conducted in pediatric patients provided evidence...
UNASYN (ampicillin sodium/sulbactam sodium), a sterile off-white dry powder, is available in Pharmacy Bulk Package containing ampicillin sodium and sulbactam sodium equivalent to 10 g ampicillin and 5 g...
To interact with the Medical Information Digital Assistant click here.
Contact Pfizer Medical Information to speak with a professional regarding your medical question on a Pfizer prescription product: (800) 438-1985
To report an adverse event related to Pfizer-BioNTech COVID-19 Vaccine (also known as COMIRNATY®, COVID-19 mRNA, Vaccine BNT162b2 or BNT162) or Pfizer COVID-19 Treatment (also known as PAXLOVID™ (nirmatrelvir tablets; ritonavir tablets)), and you are not part of a clinical trial* for this product, click the link below to submit your information:
*If you are involved in a clinical trial for either product, adverse events should be reported to your coordinating study site.
If you cannot use the above website or would like to report an adverse event related to a different Pfizer product, please call Pfizer Safety at