<SEC-DOCUMENT>0000950123-01-508844-index.html : 20020412
<SEC-HEADER>0000950123-01-508844.hdr.sgml : 20020412
ACCESSION NUMBER:		0000950123-01-508844
CONFORMED SUBMISSION TYPE:	S-3/A
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20011128

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:	333-72546
		FILM NUMBER:		1801024

	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>y54033a1s-3a.txt
<DESCRIPTION>MERCK & CO., INC.: AMENDMENT NO. 1 TO FORM S-3
<TEXT>
Document 1 - file: y54033a1s-3a.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5
<SEQUENCE>3
<FILENAME>y54033a1ex5.txt
<DESCRIPTION>OPINION AND CONSENT OF KENNETH C. FRAZIER, ESQ.
<TEXT>
Document 3 - file: y54033a1ex5.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.A
<SEQUENCE>4
<FILENAME>y54033a1ex23-a.txt
<DESCRIPTION>CONSENT OF ARTHUR ANDERSEN LLP
<TEXT>
Document 4 - file: y54033a1ex23-a.txt

</DOCUMENT>
</SEC-DOCUMENT>