ACYCLOVIR

NDC 23155-229 · Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.

Generic nameacyclovir

Dosage formCAPSULE

RouteORAL

Active ingredient(s)ACYCLOVIR

Strength200 mg/1

Pharmacologic classDNA Polymerase Inhibitors [MoA], Herpes Simplex Virus Nucleoside Analog DNA Polymerase Inhibitor [EPC], Herpes Zoster Virus Nucleoside Analog DNA Polymerase Inhibitor [EPC], Herpesvirus Nucleoside Analog DNA Polymerase Inhibitor [EPC], Nucleoside Analog [EXT]

Marketing categoryANDA

Packages

23155-229-01 — 100 CAPSULE in 1 BOTTLE (23155-229-01)

23155-229-05 — 500 CAPSULE in 1 BOTTLE (23155-229-05)

Related Codes

Same active ingredient

FDA lists these products with the same active ingredient.

0904-5789 — ACYCLOVIR, 0904-7507 — Acyclovir, 0904-7519 — acyclovir, 13668-515 — acyclovir, 16714-885 — acyclovir, 17856-0083 — Acyclovir, 17856-2170 — Acyclovir, 17856-8083 — Acyclovir, 23155-227 — ACYCLOVIR, 23155-228 — ACYCLOVIR, 23155-962 — Acyclovir, 31722-681 — Acyclovir, 31722-777 — Acyclovir, 31722-778 — Acyclovir, 33342-439 — Acyclovir, 43063-589 — Acyclovir, 43063-928 — Acyclovir, 43547-499 — acyclovir, 45802-044 — Acyclovir, 48102-028 — ACYCLOVIR, +172 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