How many drugs treat Diphtheria?

Drug Landscape tracks 4 marketed treatments for Diphtheria (deduplicated by molecule). 0 Phase 3 candidates and 0 Phase 2 candidates are in the pipeline.

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Last reviewed 2026-06-10 · How we verify

Diphtheria — Treatment Landscape & Competitive Intelligence

Name: Drug Landscape Pharmaceutical Database
Creator: Drug Landscape
Published: 2026-01-01
License: https://creativecommons.org/licenses/by/4.0/

Diphtheria (disease) competitive landscape: 4 marketed treatments tracked, 0 Phase 3 candidates, 0 Phase 2 candidates. Recent regulatory actions and upcoming PDUFA dates across the entire treatment set.

4 marketed 0 Phase 3 0 Phase 2 Live · 30-min refresh

Marketed treatment landscape

Approved drugs treating Diphtheria, deduplicated by molecule. See the full disease page for line-of-therapy detail.

Drug	Generic	Sponsor	Class	Target	First approval
Benzamycin	Erythromycin Lactobionate	Pfizer	Macrolide	Potassium voltage-gated channel subfamily H member 2	1964-01-01
E-Mycin	erythromycin	Generic (originally Abbott/Lilly)	Macrolide [EPC]	Aldehyde oxidase, Bile salt export pump, Cytochrome P450 1B1	1952-01-01
Penicillin G Potassium In Plastic Container	Benzylpenicillin	Pfizer	Penicillin-class Antibacterial		1947-01-01
penicillin	penicillin	Karlstad University		Bacterial penicillin-binding protein, Beta-lactamase, Beta-lactamase TEM

Phase 3 pipeline

No Phase 3 pipeline candidates tracked.

Phase 2 pipeline

No Phase 2 pipeline candidates tracked.

Recent regulatory actions (last 90 days)

No regulatory actions in the last 90 days for this treatment set.

Upcoming PDUFA dates (next 180 days)

No PDUFA dates in the next 180 days for this treatment set.

Sponsor landscape

Pfizer · 2 drugs in Diphtheria
Generic (originally Abbott/Lilly) · 1 drug in Diphtheria
Karlstad University · 1 drug in Diphtheria

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Cite this brief

Drug Landscape (2026). Diphtheria — Treatment Landscape & Competitive Intelligence Brief. https://druglandscape.com/ci/disease/diphtheria. Accessed 2026-06-10.

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Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing