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AMPICILLIN AND SULBACTAM vs UNASYN

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 16, 2026·How we rate

Rating

68/100
60/100

Pharmacy pays

~$13.74 /30
~$13.74 /30

Type

RX
RX

Active ingredient

AMPICILLIN SODIUM AND SULBACTAM SODIUM
AMPICILLIN SODIUM AND SULBACTAM SODIUM

Manufacturer

Dosage forms

Injectable
Injectable

Drug class

Boxed warning

None
None

Frequently asked questions

Which is better-rated, Ampicillin and Sulbactam or Unasyn?

By our independent rating, Ampicillin and Sulbactam scores higher — 3.4 vs 3.0 out of 5 for Unasyn. Ratings are based on FDA regulatory (recall-safety) data.

Which is cheaper, Ampicillin and Sulbactam or Unasyn?

Pharmacies pay about the same to acquire either one — roughly $13.74 for a 30-count supply, per the CMS NADAC survey. That is not what you will be charged: your price is set by your insurer and the pharmacy, not by what the drug cost them.

What is the difference between Ampicillin and Sulbactam and Unasyn?

Both Ampicillin and Sulbactam and Unasyn share the active ingredient Ampicillin Sodium and Sulbactam Sodium.

Ratings are based on FDA regulatory (recall-safety) data. This comparison is for general reference only — not medical advice. Always consult a licensed professional before choosing or switching a medication.