03 Jan Date January 3, 2021 Ampicillin/sulbactam used for UTIs The following article discusses ampicillin/sulbactam used to treat UTIs. https://pubmed.ncbi.nlm.nih.gov/1898184/#:~:text=Unasyn%20is%20a%20combination%20of,36%20patients%20with%20urogenital%20infections.