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Active ingredient

Atenolol

129 finished FDA listings contain Atenolol as their only active ingredient; 17 combination products also contain it.

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FDA NDC Directory

Ingredient names as written by FDA
ATENOLOL
Dosage forms
Tablet
Routes
Oral
Manufacturers / labelers
37
Strengths listed
100 mg/1 · 25 mg/1 · 50 mg/1
Brand names in FDA listings
Atenolol 29300-411, Tenormin

RxNorm (National Library of Medicine)

Ingredient concept RxCUI 1202

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 018240TWI PHARMS1981-08-194
ANDA 073026PHARMOBEDIENT1991-09-173
ANDA 073457MYLAN1992-01-2422
ANDA 074056TEVA1995-01-1814
ANDA 076900ZYDUS PHARMS USA2005-01-2813
ANDA 077443UNIQUE2006-09-1328
ANDA 077877IPCA LABS LTD2006-12-275
ANDA 078512AUROBINDO PHARMA2007-10-3121
ANDA 213136UNICHEM2019-11-2119

Official labeling on DailyMed

Showing the 12 most recent of 95 labels.

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