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Neostigmine Methylsulfate

NDC 23155-517 · Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.

Generic nameNeostigmine Methylsulfate
Dosage formINJECTION
RouteINTRAVENOUS
Active ingredient(s)NEOSTIGMINE METHYLSULFATE
Strength.5 mg/mL
Pharmacologic classCholinesterase Inhibitor [EPC], Cholinesterase Inhibitors [MoA]
Marketing categoryANDA

Packages

23155-517-41 — 10 VIAL in 1 CARTON (23155-517-41) / 10 mL in 1 VIAL (23155-517-31)

Related Codes

Same active ingredient

FDA lists these products with the same active ingredient.

0548-9601 — neostigmine methylsulfate, 0548-9602 — neostigmine methylsulfate, 0641-6149 — Neostigmine Methylsulfate, 0641-6150 — Neostigmine Methylsulfate, 0641-6264 — Neostigmine Methylsulfate, 0641-6265 — Neostigmine Methylsulfate, 0641-6277 — Neostigmine Methylsulfate, 14445-413 — NEOSTIGMINE METHYLSULFATE, 14445-414 — NEOSTIGMINE METHYLSULFATE, 23155-518 — Neostigmine Methylsulfate, 25021-610 — Neostigmine Methylsulfate, 25021-611 — Neostigmine Methylsulfate, 31722-994 — neostigmine methylsulfate, 31722-995 — neostigmine methylsulfate, 42023-188 — NEOSTIGMINE METHYLSULFATE, 42023-189 — NEOSTIGMINE METHYLSULFATE, 42023-269 — neostigmine methylsulfate and glycopyrrolate, 43598-528 — Neostigmine, 43598-529 — Neostigmine, 43598-945 — Neostigmine Methylsulfate, +32 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