Etacillin is developed by Bristol-Myers Squibb.

What development phase is Etacillin in?

Etacillin is FDA-approved (marketed).

What is the generic name of Etacillin?

HETACILLIN is the generic (nonproprietary) name of Etacillin.

Last reviewed 2026-04-20 · How we verify

Etacillin (HETACILLIN)

Bristol-Myers Squibb · FDA-approved approved Small molecule Quality 10/100

At a glance

Generic name	HETACILLIN
Sponsor	Bristol-Myers Squibb
Drug class	hetacillin
Target	Penicillin-binding protein
Modality	Small molecule
Therapeutic area	Infectious Disease
Phase	FDA-approved
First approval	1982

Approved indications

No approved indications tracked.

Common side effects

No common side effects on file.

Primary sources

Every claim on this page is sourced from regulatory or scientific primary sources. See our editorial policy for full methodology.

Source	Used for
FDA label	Mechanism, indications, dosing, boxed warnings, drug interactions

Competitive intelligence

For the full competitive landscape — auto-detected comparators, recent regulatory actions across the set, upcoming PDUFA, patent timeline, sponsor landscape:

Etacillin CI brief — competitive landscape report
Etacillin updates RSS · CI watch RSS
Bristol-Myers Squibb portfolio CI