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Theo-24

NDC 52244-400 · ENDO USA, Inc.

Generic nametheophylline anhydrous
Dosage formCAPSULE, EXTENDED RELEASE
RouteORAL
Active ingredient(s)THEOPHYLLINE ANHYDROUS
Strength400 mg/1
Pharmacologic classMethylxanthine [EPC], Xanthines [CS]
Marketing categoryANDA

Packages

52244-400-10 — 100 CAPSULE, EXTENDED RELEASE in 1 BOTTLE (52244-400-10)

Related Codes

Same active ingredient

FDA lists these products with the same active ingredient.

31722-077 — Theophylline, 31722-078 — Theophylline, 42291-922 — Theophylline, 46708-025 — Theophylline, 46708-026 — Theophylline, 51407-318 — Theophylline, 51407-319 — Theophylline, 52244-100 — theophylline anhydrous, 52244-200 — theophylline anhydrous, 52244-300 — theophylline anhydrous, 60219-2045 — theophylline, 60219-2046 — theophylline, 62135-457 — Theophylline, 62135-556 — Theophylline, 62332-025 — Theophylline, 62332-026 — Theophylline, 64380-243 — Theophylline, 64380-244 — Theophylline, 68462-356 — Theophylline, 68462-380 — Theophylline, +22 more

From the FDA National Drug Code Directory, retrieved August 24, 2026. Product listings are submitted by labelers; FDA does not verify them.

Read from: FDA National Drug Code Directory, product.txt and package.txt (accessdata.fda.gov/cder/ndctext.zip) — Snapshot retrieved 2026-08-24, loaded 2026-08-24; CMS Medicare Part B Drug Average Sales Price (ASP) Pricing Files (cms.gov/medicare/payment/part-b-drugs/asp-pricing-files) -- the NDC-HCPCS crosswalk and Part B payment limit files — 2026 Q3 (July 2026 release). All data sources · How to read the labels