<SEC-DOCUMENT>0000950123-04-014677-index.html : 20041210
<SEC-HEADER>0000950123-04-014677.hdr.sgml : 20041210
<ACCEPTANCE-DATETIME>20041210172535
ACCESSION NUMBER:		0000950123-04-014677
CONFORMED SUBMISSION TYPE:	S-3/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20041210
DATE AS OF CHANGE:		20041210

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MERCK & CO INC
		CENTRAL INDEX KEY:			0000064978
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				221109110
		STATE OF INCORPORATION:			NJ
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-3/A
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-118186
		FILM NUMBER:		041197253

	BUSINESS ADDRESS:	
		STREET 1:		ONE MERCK DR
		STREET 2:		P O BOX 100
		CITY:			WHITEHOUSE STATION
		STATE:			NJ
		ZIP:			08889-0100
		BUSINESS PHONE:		9084234044

	MAIL ADDRESS:	
		STREET 1:		ONE MERCK DR
		STREET 2:		PO BOX 100 WS3AB-05
		CITY:			WHITEHOUSE STATION
		STATE:			NJ
		ZIP:			08889-0100
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-3/A
<SEQUENCE>1
<FILENAME>y69526a3sv3za.htm
<DESCRIPTION>AMENDMENT NO. 1 TO FORM S-3
<TEXT>
Document 1 - file: y69526a3sv3za.htm

</DOCUMENT>
</SEC-DOCUMENT>