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SPIRONOLACTONE

NDC 72603-135 · NorthStar Rx LLC

Generic nameSPIRONOLACTONE
Dosage formTABLET
RouteORAL
Active ingredient(s)SPIRONOLACTONE
Strength50 mg/1
Pharmacologic classAldosterone Antagonist [EPC], Aldosterone Antagonists [MoA]
Marketing categoryANDA

Packages

72603-135-01 — 100 TABLET in 1 BOTTLE (72603-135-01)

72603-135-02 — 500 TABLET in 1 BOTTLE (72603-135-02)

Related Codes

Same active ingredient

FDA lists these products with the same active ingredient.

72162-1625 — Spironolactone and Hydrochlorothiazide, 72162-1626 — SPIRONOLACTONE, 72162-1627 — SPIRONOLACTONE, 72162-1693 — spironolactone, 72162-1694 — spironolactone, 72162-2150 — spironolactone, 72189-495 — Spironolactone, 72189-496 — Spironolactone, 72189-497 — Spironolactone, 72603-134 — SPIRONOLACTONE, 72603-136 — SPIRONOLACTONE, 72789-290 — Spironolactone, 72789-291 — Spironolactone, 72789-292 — Spironolactone, 76420-062 — spironolactone, 76420-063 — spironolactone, 76420-556 — SPIRONOLACTONE, 76420-557 — SPIRONOLACTONE, 76420-558 — SPIRONOLACTONE, 76420-925 — Spironolactone, +165 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