Question 1

Who makes ampicillin + sulbactam?

Accepted Answer

Ampicillin + Sulbactam is a fixed-dose combination of Ampicillin and Sulbactam. There is no combination-level drug master file; it is sourced as a finished combination or built from its component APIs. 2 verified finished-combination manufacturers are listed, 2 with a matched US, EU or WHO-PQ combination approval.

Question 2

Where do the APIs in ampicillin + sulbactam come from?

Accepted Answer

Ampicillin: 20 verified API manufacturers. Sulbactam: 11 verified API manufacturers. Each links to its own ranked supplier page.

Question 3

What strengths does ampicillin + sulbactam come in?

Accepted Answer

Common marketed ratios include 1/500, 2/1, 10/5, 500/250 (mg per component). Ratios come from the finished-product records as at 29 July 2026.

Ampicillin + Sulbactam FDC suppliers and manufacturers

Component APIs — where each ingredient comes from

Ampicillin API manufacturers

Sulbactam API manufacturers

Finished-combination manufacturers

Hikma Italia Spa

Hospira, Inc.

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