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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 w/9swgs2U82BYK6axCM0Dw==

<SEC-DOCUMENT>0001209191-03-024166.txt : 20031002
<SEC-HEADER>0001209191-03-024166.hdr.sgml : 20031002
<ACCEPTANCE-DATETIME>20031002151241
ACCESSION NUMBER:		0001209191-03-024166
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030930
FILED AS OF DATE:		20031002

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			TROWBRIDGE WARREN K
		CENTRAL INDEX KEY:			0001188758

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13690
		FILM NUMBER:		03923995

	MAIL ADDRESS:	
		STREET 1:		11 STATE STREET
		CITY:			WOBURN
		STATE:			MA
		ZIP:			01801

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			POLYMEDICA CORP
		CENTRAL INDEX KEY:			0000878748
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				043033368
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			0331

	BUSINESS ADDRESS:	
		STREET 1:		11 STATE ST
		CITY:			WOBURN
		STATE:			MA
		ZIP:			01801
		BUSINESS PHONE:		6179332020

	MAIL ADDRESS:	
		STREET 1:		11 STATE STREET
		CITY:			WOBURN
		STATE:			MA
		ZIP:			01801

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	POLYMEDICA INDUSTRIES INC
		DATE OF NAME CHANGE:	19930328
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?><ownershipDocument><schemaVersion>X0201</schemaVersion>    <documentType>4</documentType><periodOfReport>2003-09-30</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0000878748</issuerCik><issuerName>POLYMEDICA CORP</issuerName>        <issuerTradingSymbol>PLMD</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001188758</rptOwnerCik><rptOwnerName>TROWBRIDGE WARREN K</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>11 STATE STREET</rptOwnerStreet1><rptOwnerStreet2></rptOwnerStreet2><rptOwnerCity>WOBURN</rptOwnerCity><rptOwnerState>MA</rptOwnerState><rptOwnerZipCode>01801</rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>0</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>Sr. Vice President</officerTitle></reportingOwnerRelationship></reportingOwner><derivativeTabl
e><derivativeTransaction><securityTitle><value>Stock Option</value></securityTitle><conversionOrExercisePrice><value>26.5</value></conversionOrExercisePrice><transactionDate><value>2003-09-30</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>12500</value></transactionShares><transactionPricePerShare><value>26.5</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>2004-09-30</value><footnoteId id="F1" /></exerciseDate><expirationDate><value>2013-09-30</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common</value></underlyingSecurityTitle><underlyingSecurityShares><value>12500</value></underlyingS
ecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>12500</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeTransaction></derivativeTable><footnotes><footnote id="F1">Issued under a stock option plan which, under certain conditions, allows for the surrender of shares to satisfy tax withholding obligations. 3,125 options are exercisable on 9/30/2004, the remaining options are exercisable in equal installments at the end of each calendar quarter beginning on 12/31/2004 and ending on 9/30/2007.</footnote></footnotes><remarks></remarks><ownerSignature><signatureName>Warren K. Trowbridge</signatureName><signatureDate>2003-10-01</signatureDate></ownerSignature></ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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