In addition to adverse reactions reported from clinical trials, the following have been identified during post-marketing use of ampicillin sodium/sulbactam sodium or other products containing ampicillin. Because they are reported voluntarily from a population of unknown size, estimates of frequency cannot be made. These events have been chosen for inclusion due to a combination of their seriousness, frequency, or potential causal connection to ampicillin sodium/sulbactam sodium.
Infections and Infestations
Clostridioides difficile-associated diarrhea (see WARNINGS section).
Blood and Lymphatic System Disorders
Hemolytic anemia, thrombocytopenic purpura, and agranulocytosis have been reported. These reactions are usually reversible on discontinuation of therapy and are believed to be hypersensitivity phenomena. Some individuals have developed positive direct Coombs Tests during treatment with ampicillin and sulbactam for injection, as with other beta-lactam antibacterials.
Gastrointestinal Disorders
Abdominal pain, cholestatic hepatitis, cholestasis, hyperbilirubinemia, jaundice, abnormal hepatic function, melena, gastritis, stomatitis, dyspepsia, and black "hairy" tongue (see CONTRAINDICATIONS and WARNINGS sections).
General Disorders and Administration Site Conditions
Injection site reaction
Immune System Disorders
Serious and fatal hypersensitivity (anaphylactic) reactions (see WARNINGS section), Acute myocardial ischemia with or without myocardial infarction may occur as part of an allergic reaction.
Nervous System Disorders
Convulsion and dizziness
Renal and Urinary Disorders
Tubulointerstitial nephritis
Musculoskeletal and Connective Tissue Disorders
Arthralgia
Respiratory, Thoracic and Mediastinal Disorders
Dyspnea
Skin and Subcutaneous Tissue Disorders
Toxic epidermal necrolysis, Stevens-Johnson syndrome, drug reaction with eosinophilia and systemic symptoms (DRESS), angioedema, Acute generalized exanthematous pustulosis (AGEP), erythema multiforme, exfoliative dermatitis, and urticaria (see CONTRAINDICATIONS and WARNINGS sections), and linear IgA bullous dermatosis.
To report SUSPECTED ADVERSE REACTIONS, contact Avenacy at 1-855-283-6229 or FDA at 1-800-FDA-1088 or
www.fda.gov/medwatch.