United States · FDA National Drug Code directory

Theophylline

A source-listed medicine record.

Factual source checks only. This page is not a clinically reviewed monograph. Historical or discontinued records may be included; listing does not confirm approval, current availability or pharmacy stock.

Medicine identity

Source reference: 23155-741_c8abc0eb-6bb6-4f7b-a7bf-793cf90c5ead
Product NDC: 23155-741
Form: TABLET, EXTENDED RELEASE
Composition / generic term: Theophylline
Labeler: Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.
Marketing category: ANDA
Marketing start / end (source format): 20220627
Source listing expiry: 20261231

Source-listed ingredients

THEOPHYLLINE ANHYDROUS — 300 mg/1

These values do not establish equivalence or a dose recommendation.

Packages

100 TABLET, EXTENDED RELEASE in 1 BOTTLE (23155-741-01) · 23155-741-01
500 TABLET, EXTENDED RELEASE in 1 BOTTLE (23155-741-05) · 23155-741-05
1000 TABLET, EXTENDED RELEASE in 1 BOTTLE (23155-741-10) · 23155-741-10

Source and coverage

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Snapshot retrieved: 2026-09-17. This is the acquisition date, not a medical review date.

Clinical information, images and comparisons appear only when separately reviewed for this record. Coverage may be incomplete. Ask a pharmacist or clinician about your treatment.

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