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Active ingredient

Trimethoprim

5 finished FDA listings contain Trimethoprim as their only active ingredient; 118 combination products also contain it.

FDA NDC Directory

Ingredient names as written by FDA
TRIMETHOPRIM, TRIMETHOPRIM SULFATE
Dosage forms
Tablet
Routes
Oral
Manufacturers / labelers
5
Strengths listed
100 mg/1

RxNorm (National Library of Medicine)

Ingredient concept RxCUI 10829

Drugs@FDA applications

Linked only where the FDA listing’s application number matches Drugs@FDA exactly. A listing in the NDC Directory does not by itself mean FDA approval.

ApplicationSponsorOriginal approvalListings
NDA 018679DR REDDYS LABS SA1982-07-301
ANDA 091437NOVEL LABS INC2011-06-152
ANDA 216393NOVITIUM PHARMA2022-10-282

Official labeling on DailyMed

Sources: FDA NDC Directory (2026-09-29), RxNorm, Drugs@FDA, DailyMed. Each source’s facts are shown separately as published.