Home NDC 51655-679 Acyclovir
Product NDC 51655-679
11-digit product format 516550679
Labeler code 51655
Product ID 51655-679_494f95a1-acbf-b84c-e063-6294a90af7af
Type HUMAN PRESCRIPTION DRUG
Nonproprietary name Acyclovir
Dosage form TABLET
Route ORAL
Labeler Northwind Health Company, LLC
Application ANDA203834
Marketing category ANDA
Marketing start 2023-02-15
Substance ACYCLOVIR
Active strength 800 mg/1
Pharmacologic classes DNA 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]
NDC exclude flag No
Listing certified through 2027-12-31
Current FDA listing Yes Source provenance: Browse the complete Orange Book source catalog · source snapshot 43 .
Orange Book products# Current product rows page 1 of 1 · 2 matching rows.
Application-product, Trade name, Ingredient table Application-product Trade name Ingredient Strength Dosage form / route TE codes RLD / RS Approval date A203834-001 ACYCLOVIR ACYCLOVIR 400MG TABLET / ORAL AB 2013-10-29 A203834-002 ACYCLOVIR ACYCLOVIR 800MG TABLET / ORAL AB RS 2013-10-29
Therapeutic equivalence codes# Current TE-code rows page 1 of 1 · 2 matching rows.
Observed Orange Book product history# Observed FDA ZIP history: Each table is queried independently by exact application/product key from successfully parsed Orange Book snapshots. Capture times identify archived source observations; absence or a change between snapshots is not inferred. FDA publication files that were not recoverable as structured ZIP data are not represented as states.
Product history page 1 of 3 · 86 observed states.
Captured, Edition, Application-product table Captured Edition Application-product Trade name Strength Dosage form / route Product TE source text RLD / RS Approval date Source SHA-256 2026-09-14 22:38:34 2026-08 A203834-001 ACYCLOVIR 400MG TABLET / ORAL AB 2013-10-29 84e616aacf4f…2026-09-14 22:38:34 2026-08 A203834-002 ACYCLOVIR 800MG TABLET / ORAL AB RS 2013-10-29 84e616aacf4f…2026-08-18 06:07:40 2026-07 A203834-001 ACYCLOVIR 400MG TABLET / ORAL AB 2013-10-29 caaa826d4ba7…2026-08-18 06:07:40 2026-07 A203834-002 ACYCLOVIR 800MG TABLET / ORAL AB RS 2013-10-29 caaa826d4ba7…2026-02-19 14:30 UTC 2026-02 A203834-001 ACYCLOVIR 400MG TABLET / ORAL AB 2013-10-29 011fe1cb6892…2026-02-19 14:30 UTC 2026-02 A203834-002 ACYCLOVIR 800MG TABLET / ORAL AB RS 2013-10-29 011fe1cb6892…2025-12-14 10:44 UTC · 2 captures of this ZIP 2025-12 A203834-001 ACYCLOVIR 400MG TABLET / ORAL AB 2013-10-29 31067a03dcf5…2025-12-14 10:44 UTC · 2 captures of this ZIP 2025-12 A203834-002 ACYCLOVIR 800MG TABLET / ORAL AB RS 2013-10-29 31067a03dcf5…2025-08-23 18:47 UTC 2025-08 A203834-001 ACYCLOVIR 400MG TABLET / ORAL AB 2013-10-29 6a471c1ec25d…2025-08-23 18:47 UTC 2025-08 A203834-002 ACYCLOVIR 800MG TABLET / ORAL AB RS 2013-10-29 6a471c1ec25d…2025-03-22 03:13 UTC · 3 captures of this ZIP 2025-03 A203834-001 ACYCLOVIR 400MG TABLET / ORAL AB 2013-10-29 fd3edfee7708…2025-03-22 03:13 UTC · 3 captures of this ZIP 2025-03 A203834-002 ACYCLOVIR 800MG TABLET / ORAL AB RS 2013-10-29 fd3edfee7708…2025-02-26 10:13 UTC · 3 captures of this ZIP 2025-02 A203834-001 ACYCLOVIR 400MG TABLET / ORAL AB 2013-10-29 b8a1b40f171c…2025-02-26 10:13 UTC · 3 captures of this ZIP 2025-02 A203834-002 ACYCLOVIR 800MG TABLET / ORAL AB RS 2013-10-29 b8a1b40f171c…2025-01-19 17:59 UTC · 7 captures of this ZIP 2025-01 A203834-001 ACYCLOVIR 400MG TABLET / ORAL AB 2013-10-29 03ed91905a0d…2025-01-19 17:59 UTC · 7 captures of this ZIP 2025-01 A203834-002 ACYCLOVIR 800MG TABLET / ORAL AB RS 2013-10-29 03ed91905a0d…2024-12-13 21:23 UTC · 2 captures of this ZIP 2024-12 A203834-001 ACYCLOVIR 400MG TABLET / ORAL AB 2013-10-29 2680178bc6a6…2024-12-13 21:23 UTC · 2 captures of this ZIP 2024-12 A203834-002 ACYCLOVIR 800MG TABLET / ORAL AB RS 2013-10-29 2680178bc6a6…2024-09-14 05:58 UTC · 2 captures of this ZIP 2024-09 A203834-001 ACYCLOVIR 400MG TABLET / ORAL AB 2013-10-29 5bbf6a4d5a75…2024-09-14 05:58 UTC · 2 captures of this ZIP 2024-09 A203834-002 ACYCLOVIR 800MG TABLET / ORAL AB RS 2013-10-29 5bbf6a4d5a75…2024-11-08 22:44 UTC · 3 captures of this ZIP 2024-11 A203834-001 ACYCLOVIR 400MG TABLET / ORAL AB 2013-10-29 d8e5a09893c0…2024-11-08 22:44 UTC · 3 captures of this ZIP 2024-11 A203834-002 ACYCLOVIR 800MG TABLET / ORAL AB RS 2013-10-29 d8e5a09893c0…2024-10-29 15:01 UTC 2024-10 A203834-001 ACYCLOVIR 400MG TABLET / ORAL AB 2013-10-29 d06236e962d9…2024-10-29 15:01 UTC 2024-10 A203834-002 ACYCLOVIR 800MG TABLET / ORAL AB RS 2013-10-29 d06236e962d9…2024-08-13 05:28 UTC · 3 captures of this ZIP 2024-08 A203834-001 ACYCLOVIR 400MG TABLET / ORAL AB 2013-10-29 79d66fd596c7…2024-08-13 05:28 UTC · 3 captures of this ZIP 2024-08 A203834-002 ACYCLOVIR 800MG TABLET / ORAL AB RS 2013-10-29 79d66fd596c7…2024-07-13 05:37 UTC · 2 captures of this ZIP 2024-07 A203834-001 ACYCLOVIR 400MG TABLET / ORAL AB 2013-10-29 301d65b070ca…2024-07-13 05:37 UTC · 2 captures of this ZIP 2024-07 A203834-002 ACYCLOVIR 800MG TABLET / ORAL AB RS 2013-10-29 301d65b070ca…2024-06-18 03:08 UTC · 5 captures of this ZIP 2024-06 A203834-001 ACYCLOVIR 400MG TABLET / ORAL AB 2013-10-29 1e350fbaab3a…2024-06-18 03:08 UTC · 5 captures of this ZIP 2024-06 A203834-002 ACYCLOVIR 800MG TABLET / ORAL AB RS 2013-10-29 1e350fbaab3a…2024-05-31 18:47 UTC 2024-05 A203834-001 ACYCLOVIR 400MG TABLET / ORAL AB 2013-10-29 8072bd15b7f6…2024-05-31 18:47 UTC 2024-05 A203834-002 ACYCLOVIR 800MG TABLET / ORAL AB RS 2013-10-29 8072bd15b7f6…2022-06-29 02:47 UTC · 2 captures of this ZIP 2022-06 A203834-001 ACYCLOVIR 400MG TABLET / ORAL AB 2013-10-29 5c6f7cd8ea54…2022-06-29 02:47 UTC · 2 captures of this ZIP 2022-06 A203834-002 ACYCLOVIR 800MG TABLET / ORAL AB RS 2013-10-29 5c6f7cd8ea54…2022-04-08 23:34 UTC 2022-04 A203834-001 ACYCLOVIR 400MG TABLET / ORAL AB 2013-10-29 5d02ea3f76ae…2022-04-08 23:34 UTC 2022-04 A203834-002 ACYCLOVIR 800MG TABLET / ORAL AB RS 2013-10-29 5d02ea3f76ae…2022-04-04 05:41 UTC 2022-04 A203834-001 ACYCLOVIR 400MG TABLET / ORAL AB 2013-10-29 4b0b4de00fa7…2022-04-04 05:41 UTC 2022-04 A203834-002 ACYCLOVIR 800MG TABLET / ORAL AB RS 2013-10-29 4b0b4de00fa7…2019-12-13 00:20 UTC 2019-12 A203834-001 ACYCLOVIR 400MG TABLET / ORAL AB 2013-10-29 74a2ff9319b5…2019-12-13 00:20 UTC 2019-12 A203834-002 ACYCLOVIR 800MG TABLET / ORAL AB 2013-10-29 74a2ff9319b5…
Observed Orange Book normalized TE history# Normalized TE history page 1 of 3 · 86 observed states.
Reported adverse events (FAERS/openFDA)# Adverse event summaries are temporarily unavailable. Other product information remains available.
Additional Listing Data#
Finished product Yes
Brand name base Acyclovir
Listing expiration 2027-12-31 Active Ingredients# Ingredient, Strength table Ingredient Strength ACYCLOVIR 800 mg/1
Harmonized UNII identifiers# UNII identifiers page 1 of 1 · 1 matching rows.
Identifier, FDA.report destination table Identifier FDA.report destination X4HES1O11F Internal UNII lookup
Harmonized RxCUI identifiers# RxCUI identifiers page 1 of 1 · 1 matching rows.
Identifier, FDA.report destination table Identifier FDA.report destination 197313 Internal RxNorm lookup
Harmonized SPL set identifiers# SPL set identifiers page 1 of 1 · 1 matching rows.
DailyMed Product Concepts# DailyMed Package Descriptions# Package NDC, Product, Description table Package NDC Product Description Form Quantity Strength SPL version 51655-679-35 Acyclovir 35 in 1 BOTTLE, PLASTIC TABLET 35 3 51655-679-51 Acyclovir 40 in 1 BOTTLE, PLASTIC TABLET 40 3 51655-679-52 Acyclovir 30 in 1 BOTTLE, PLASTIC TABLET 30 3
DailyMed Dashboard NDC Coverage# NDC, Dashboard title, SPL version table NDC Dashboard title SPL version Validation Dashboard ZIP 51655-679 ACYCLOVIR TABLET [NORTHWIND PHARMACEUTICALS, LLC] 2 Current NDC, 3 package rows 20230630_f6f56143-ea74-af87-e053-6394a90ae346.zip
openFDA label cross-check# OpenFDA label data provides additional search and identifier links. DailyMed’s Structured Product Label is the canonical label on FDA.report. Matching records are deduplicated before they are shown below.
Matched openFDA labels page 2 of 2 · 22 matching rows.
DailyMed RxNorm Mappings# Packages# Package NDC, 11-digit format, Description table Package NDC 11-digit format Description Units Marketing start Sample Exclude flag Status 51655-679-35 51655067935 35 TABLET in 1 BOTTLE, PLASTIC (51655-679-35) 35 tablet 2023-03-02 No No Current 51655-679-51 51655067951 40 TABLET in 1 BOTTLE, PLASTIC (51655-679-51) 40 tablet 2023-02-15 No No Current 51655-679-52 51655067952 30 TABLET in 1 BOTTLE, PLASTIC (51655-679-52) 30 tablet 2023-06-02 No No Current