Wednesday, July 8, 2026

Drug profile · INN

ampicillin/ampicillin trihydrate

ampicillin/ampicillin trihydrate (POLYCILLIN) is a bacterial penicillin-binding protein inhibitor. Associated with Teva Pharma GmbH. Route of administration: oral. Current US regulatory status: approved.

FDA: approved
US status approved
Patents linked 0
Pipeline programs 0
News articles 0
Drug details — ampicillin/ampicillin trihydrate
US status
approved
Class
Route
ORAL
Patents
0
Programs
0
Data quality
0.89

Quick answer

ampicillin/ampicillin trihydrate (POLYCILLIN) is a bacterial penicillin-binding protein inhibitor. Associated with Teva Pharma GmbH. Route of administration: oral. Current US regulatory status: approved.

Key facts

INN ampicillin/ampicillin trihydrate
Brand POLYCILLIN
Mechanism Bacterial penicillin-binding protein inhibitor
Target Bacterial penicillin-binding protein
Route ORAL
Formulation CAPSULE

Mechanism of action

Bacterial penicillin-binding protein inhibitor

Primary target: Bacterial penicillin-binding protein

Approval history

Authority Status Date
FDA approved

Related & competitor drugs

  1. amoxicillin Bacterial penicillin-binding protein inhibitor
  2. ampicillin sodium Bacterial penicillin-binding protein inhibitor
  3. cefaclor Bacterial penicillin-binding protein inhibitor
  4. cefadroxil/cefadroxil hemihydrate Bacterial penicillin-binding protein inhibitor
  5. cefazolin sodium Bacterial penicillin-binding protein inhibitor
  6. cefdinir Bacterial penicillin-binding protein inhibitor

Frequently asked questions

What is ampicillin/ampicillin trihydrate?

ampicillin/ampicillin trihydrate (POLYCILLIN) is a bacterial penicillin-binding protein inhibitor. Associated with Teva Pharma GmbH. Route of administration: oral. Current US regulatory status: approved.

What is the brand name for ampicillin/ampicillin trihydrate?

POLYCILLIN is a marketed brand name for ampicillin/ampicillin trihydrate. Check FDA Drugs@FDA for the current US label holder and prescribing information.

What is the US approval status of ampicillin/ampicillin trihydrate?

ampicillin/ampicillin trihydrate has approved status in the United States according to our Drugs@FDA-derived records. Verify on the official FDA label before clinical or commercial decisions.