Nan San MUSFLEX External Analgesic

Product NDC: 55424-1238
11-digit product format: 554241238
Labeler code: 55424
Product ID: 55424-1238_66c3a2e5-62ef-f200-e053-2a91aa0a2df5
Type: HUMAN OTC DRUG
Nonproprietary name: CAMPHOR (NATURAL), MENTHOL
Dosage form: LOTION
Route: TOPICAL
Labeler: CHUNG KEE USA INTERNATIONAL INC
Application: part348
Marketing category: OTC MONOGRAPH NOT FINAL
Marketing start: 2013-01-09
Marketing end: 0000-00-00
Substance: CAMPHOR (NATURAL); MENTHOL
Active strength: 60 mg/mL; mg/mL
NDC exclude flag: No
Listing certified through: 2019-12-31
Current FDA listing: Historical FDA.report record

NDC auxiliary status#

These records are reproduced from FDA’s unfinished, excluded, and compounder listings. They describe what appeared in the source files; a missing record does not establish a regulatory status. View all current auxiliary records, including entries without an NDC. · View the auxiliary file history.

Current NDC status page 1 of 1 · 2 matching rows.

Dataset, Scope, Product NDC table
Dataset	Scope	Product NDC	Package NDC	Code	Status	Reporting period	Source date
excluded product	product	55424-1238		I	Inactivated by FDA		2026-10-05
excluded package	package	55424-1238	55424-1238-8	I	Inactivated by FDA		2026-10-05

Observed NDC auxiliary status history#

This history shows the information present in each captured FDA auxiliary file. It is not a continuous regulatory timeline, and a missing record does not establish a status.

Historic NDC status page 1 of 1 · 42 matching rows.

View current auxiliary records. · View the auxiliary file history.

Captured / source date, Dataset, Scope table
Captured / source date	Dataset	Scope	Package NDC	Snapshot	Source SHA-256
2025-12-14 17:58 UTC · source 2025-12-05	excluded product	product		`d630ba8d3edf…`	`732f749b63fb…`
2025-12-14 17:58 UTC · source 2025-12-05	excluded package	package	55424-1238-8	`d630ba8d3edf…`	`732f749b63fb…`
2025-08-27 00:01 UTC · source 2025-08-26	excluded product	product		`f5e01cc5f278…`	`a2eaf40c39c3…`
2025-08-27 00:01 UTC · source 2025-08-26	excluded package	package	55424-1238-8	`f5e01cc5f278…`	`a2eaf40c39c3…`
2025-04-01 02:39 UTC · source 2025-03-31	excluded product	product		`2ef7874e63bc…`	`57b86245f4fa…`
2025-04-01 02:39 UTC · source 2025-03-31	excluded package	package	55424-1238-8	`2ef7874e63bc…`	`57b86245f4fa…`
2025-03-28 20:22 UTC · source 2025-03-28	excluded product	product		`a1b67e2a42f9…`	`c4cf2c586c0d…`
2025-03-28 20:22 UTC · source 2025-03-28	excluded package	package	55424-1238-8	`a1b67e2a42f9…`	`c4cf2c586c0d…`
2025-03-22 03:12 UTC · source 2025-03-21	excluded product	product		`cfe11265f3b6…`	`090c488252e2…`
2025-03-22 03:12 UTC · source 2025-03-21	excluded package	package	55424-1238-8	`cfe11265f3b6…`	`090c488252e2…`
2025-03-10 12:48 UTC · source 2025-03-10	excluded product	product		`cdf11ea48f46…`	`ba0047e9e063…`
2025-03-10 12:48 UTC · source 2025-03-10	excluded package	package	55424-1238-8	`cdf11ea48f46…`	`ba0047e9e063…`
2025-02-02 03:52 UTC · source 2025-01-31	excluded product	product		`302b2466d912…`	`e7b80fea0513…`
2025-02-02 03:52 UTC · source 2025-01-31	excluded package	package	55424-1238-8	`302b2466d912…`	`e7b80fea0513…`
2025-01-20 13:05 UTC · source 2025-01-20	excluded product	product		`ed331223b511…`	`672a5bd82f5f…`
2025-01-20 13:05 UTC · source 2025-01-20	excluded package	package	55424-1238-8	`ed331223b511…`	`672a5bd82f5f…`
2025-01-11 03:41 UTC · source 2025-01-10	excluded product	product		`0efc9e666f02…`	`f202fb6c5f17…`
2025-01-11 03:41 UTC · source 2025-01-10	excluded package	package	55424-1238-8	`0efc9e666f02…`	`f202fb6c5f17…`
2024-11-09 02:27 UTC · source 2024-11-08	excluded product	product		`ad56d346431e…`	`cc804d4bbf1e…`
2024-11-09 02:27 UTC · source 2024-11-08	excluded package	package	55424-1238-8	`ad56d346431e…`	`cc804d4bbf1e…`
2024-10-04 04:10 UTC · source 2024-10-03	excluded product	product		`367a005e9d99…`	`383a685ebd0f…`
2024-10-04 04:10 UTC · source 2024-10-03	excluded package	package	55424-1238-8	`367a005e9d99…`	`383a685ebd0f…`
2024-07-10 04:00 UTC · source 2024-07-09	excluded product	product		`557ba5c1ecfa…`	`9c80585c8c6e…`
2024-07-10 04:00 UTC · source 2024-07-09	excluded package	package	55424-1238-8	`557ba5c1ecfa…`	`9c80585c8c6e…`
2024-05-28 21:12 UTC · source 2024-05-28	excluded product	product		`8af77b9d5b6f…`	`d9bbb34c5368…`
2024-05-28 21:12 UTC · source 2024-05-28	excluded package	package	55424-1238-8	`8af77b9d5b6f…`	`d9bbb34c5368…`
2024-05-15 03:39 UTC · source 2024-05-14	excluded product	product		`834df4deac94…`	`adcc014656a3…`
2024-05-15 03:39 UTC · source 2024-05-14	excluded package	package	55424-1238-8	`834df4deac94…`	`adcc014656a3…`
2024-03-11 06:39 UTC · source 2024-03-08	excluded product	product		`1332a3947898…`	`d4bfe170f9cd…`
2024-03-11 06:39 UTC · source 2024-03-08	excluded package	package	55424-1238-8	`1332a3947898…`	`d4bfe170f9cd…`
2022-08-30 03:57 UTC · source 2022-08-29	excluded product	product		`fb8cb913e6d1…`	`eb8c232b6be0…`
2022-08-30 03:57 UTC · source 2022-08-29	excluded package	package	55424-1238-8	`fb8cb913e6d1…`	`eb8c232b6be0…`
2022-04-09 23:13 UTC · source 2022-04-08	excluded product	product		`86f5da6cb304…`	`a595104c45d7…`
2022-04-09 23:13 UTC · source 2022-04-08	excluded package	package	55424-1238-8	`86f5da6cb304…`	`a595104c45d7…`
2022-04-04 05:40 UTC · source 2022-04-01	excluded product	product		`bd6a592717d7…`	`303034d00443…`
2022-04-04 05:40 UTC · source 2022-04-01	excluded package	package	55424-1238-8	`bd6a592717d7…`	`303034d00443…`
2021-12-27 23:28 UTC · source 2021-12-27	excluded product	product		`8dfbde2a14a4…`	`c9ff85d89658…`
2021-12-27 23:28 UTC · source 2021-12-27	excluded package	package	55424-1238-8	`8dfbde2a14a4…`	`c9ff85d89658…`
2020-12-18 03:04 UTC · source 2020-12-17	excluded product	product		`e2bbac7714bc…`	`27bdfed8d636…`
2020-12-18 03:04 UTC · source 2020-12-17	excluded package	package	55424-1238-8	`e2bbac7714bc…`	`27bdfed8d636…`
2020-06-10 20:45 UTC · source 2020-06-10	excluded product	product		`9bebd1f3094a…`	`5416666fcb17…`
2020-06-10 20:45 UTC · source 2020-06-10	excluded package	package	55424-1238-8	`9bebd1f3094a…`	`5416666fcb17…`

Reported adverse events (FAERS/openFDA)#

Adverse event summaries are temporarily unavailable. Other product information remains available.

FDA-Initiated Inactive NDC Indexing#

NDC, Effective, Action table
NDC	Effective	Action	Document	Indexing SPL	Related label
55424-1238-8	2020-01-31	C162847	48780-1	9d75b9d0-c1cc-f424-e053-dadaa90a57ce	Nan San MUSFLEX External Analgesic Lotion

DailyMed Package Descriptions#

Package NDC, Product, Description table
Package NDC	Product	Description	Form	Quantity	Strength	SPL version
55424-1238-8	Nan San MUSFLEX External Analgesic	50 mL in 1 BOTTLE, SPRAY	LOTION	50		5

DailyMed Socrata Ingredients#

Ingredient, Type, UNII table
Ingredient	Type	UNII	DailyMed label	SPL version
CAMPHOR (NATURAL)	ACTIVE INGREDIENT	N20HL7Q941	NAN SAN MUSFLEX EXTERNAL ANALGESIC (CAMPHOR (NATURAL), MENTHOL) LOTION [CHUNG KEE USA INTERNATIONAL INC]	4
MENTHOL	ACTIVE INGREDIENT	L7T10EIP3A	NAN SAN MUSFLEX EXTERNAL ANALGESIC (CAMPHOR (NATURAL), MENTHOL) LOTION [CHUNG KEE USA INTERNATIONAL INC]	4
CAMPHOR (NATURAL)	ACTIVE MOIETY	N20HL7Q941	NAN SAN MUSFLEX EXTERNAL ANALGESIC (CAMPHOR (NATURAL), MENTHOL) LOTION [CHUNG KEE USA INTERNATIONAL INC]	4
MENTHOL	ACTIVE MOIETY	L7T10EIP3A	NAN SAN MUSFLEX EXTERNAL ANALGESIC (CAMPHOR (NATURAL), MENTHOL) LOTION [CHUNG KEE USA INTERNATIONAL INC]	4
CINNAMON OIL	INACTIVE INGREDIENT	E5GY4I6YCZ	NAN SAN MUSFLEX EXTERNAL ANALGESIC (CAMPHOR (NATURAL), MENTHOL) LOTION [CHUNG KEE USA INTERNATIONAL INC]	4
EUCALYPTUS OIL	INACTIVE INGREDIENT	2R04ONI662	NAN SAN MUSFLEX EXTERNAL ANALGESIC (CAMPHOR (NATURAL), MENTHOL) LOTION [CHUNG KEE USA INTERNATIONAL INC]	4
METHYL SALICYLATE	INACTIVE INGREDIENT	LAV5U5022Y	NAN SAN MUSFLEX EXTERNAL ANALGESIC (CAMPHOR (NATURAL), MENTHOL) LOTION [CHUNG KEE USA INTERNATIONAL INC]	4
OCIMUM GRATISSIMUM LEAF OIL	INACTIVE INGREDIENT	AVG2506KDV	NAN SAN MUSFLEX EXTERNAL ANALGESIC (CAMPHOR (NATURAL), MENTHOL) LOTION [CHUNG KEE USA INTERNATIONAL INC]	4

DailyMed Dashboard NDC Coverage#

NDC, Dashboard title, SPL version table
NDC	Dashboard title	SPL version	Validation	Dashboard ZIP
55424-1238	NAN SAN MUSFLEX EXTERNAL ANALGESIC (CAMPHOR (NATURAL), MENTHOL) LOTION [CHUNG KEE USA INTERNATIONAL INC]	5	Legacy NDC, 1 package rows	20180306_e674a506-4d48-4966-9e3b-6bfaac65ebef.zip

UNII, Preferred term, Registry number table
UNII	Preferred term	Registry number	Matched term
N20HL7Q941	CAMPHOR (NATURAL)	464-49-3	CAMPHOR (NATURAL)

DailyMed RxNorm Mappings#

RxCUI, RxNorm string, TTY table
RxCUI	RxNorm string	TTY	DailyMed	SPL version
1366316	camphor 6 % / menthol 16 % Topical Lotion	PSN	e674a506-4d48-4966-9e3b-6bfaac65ebef	5
1366316	camphor 60 MG/ML / menthol 160 MG/ML Topical Lotion	SCD	e674a506-4d48-4966-9e3b-6bfaac65ebef	5
1366316	camphor 6 % / menthol 16 % Topical Lotion	SY	e674a506-4d48-4966-9e3b-6bfaac65ebef	5

Packages#

Package NDC, 11-digit format, Description table
Package NDC	11-digit format	Description	Units	Status
55424-1238-8	55424123808	50 mL in 1 BOTTLE, SPRAY	50 ml	Historical

Title, Manufacturer, Effective date table
Title	Manufacturer	Effective date	Type	Version
Nan San MUSFLEX External Analgesic Lotion	CHUNG KEE USA INTERNATIONAL INC	2018-03-06	HUMAN OTC DRUG LABEL	5