<?xml version="1.0" encoding="us-ascii"?><InstanceReport xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><Version>2.4.0.8</Version><ReportLongName>0011 - Disclosure - OTHER ASSETS</ReportLongName><DisplayLabelColumn>true</DisplayLabelColumn><ShowElementNames>false</ShowElementNames><RoundingOption /><HasEmbeddedReports>false</HasEmbeddedReports><Columns><Column FlagID="0"><Id>1</Id><IsAbstractGroupTitle>false</IsAbstractGroupTitle><LabelSeparator>

</LabelSeparator><CurrencyCode /><FootnoteIndexer /><hasSegments>false</hasSegments><hasScenarios>false</hasScenarios><MCU><KeyName /><CurrencySymbol /><contextRef><ContextID>From2013-01-01to2013-06-30</ContextID><EntitySchema>http://www.sec.gov/CIK</EntitySchema><EntityValue>0000025743</EntityValue><PeriodDisplayName /><PeriodType>duration</PeriodType><PeriodStartDate>2013-01-01T00:00:00</PeriodStartDate><PeriodEndDate>2013-06-30T00:00:00</PeriodEndDate><Segments /><Scenarios /></contextRef><UPS /><CurrencyCode /><OriginalCurrencyCode /></MCU><CurrencySymbol /><Labels><Label Key="CalendarSupplement" Id="0" Label="6 Months Ended" /><Label Key="Calendar" Id="1" Label="Jun. 30, 2013" /></Labels></Column></Columns><Rows><Row FlagID="0"><Id>1</Id><IsAbstractGroupTitle>true</IsAbstractGroupTitle><LabelSeparator>

</LabelSeparator><Level>1</Level><ElementName>us-gaap_OtherAssetsAbstract</ElementName><ElementPrefix>us-gaap_</ElementPrefix><IsBaseElement>true</IsBaseElement><BalanceType>na</BalanceType><PeriodType>duration</PeriodType><IsReportTitle>false</IsReportTitle><IsSegmentTitle>false</IsSegmentTitle><IsCalendarTitle>false</IsCalendarTitle><IsEquityPrevioslyReportedAsRow>false</IsEquityPrevioslyReportedAsRow><IsEquityAdjustmentRow>false</IsEquityAdjustmentRow><IsBeginningBalance>false</IsBeginningBalance><IsEndingBalance>false</IsEndingBalance><IsReverseSign>false</IsReverseSign><FootnoteIndexer /><Cells><Cell FlagID="0" ContextID="" UnitID=""><Id>1</Id><IsNumeric>false</IsNumeric><IsRatio>false</IsRatio><DisplayZeroAsNone>false</DisplayZeroAsNone><NumericAmount>0</NumericAmount><RoundedNumericAmount>0</RoundedNumericAmount><NonNumbericText /><FootnoteIndexer /><CurrencyCode /><CurrencySymbol /><IsIndependantCurrency>false</IsIndependantCurrency><ShowCurrencySymbol>false</ShowCurrencySymbol><DisplayDateInUSFormat>false</DisplayDateInUSFormat></Cell></Cells><ElementDataType>xbrli:stringItemType</ElementDataType><SimpleDataType>string</SimpleDataType><IsTotalLabel>false</IsTotalLabel><UnitID>0</UnitID><Label>Other Assets:</Label></Row><Row FlagID="0"><Id>2</Id><IsAbstractGroupTitle>false</IsAbstractGroupTitle><LabelSeparator>

</LabelSeparator><Level>2</Level><ElementName>us-gaap_OtherAssetsDisclosureTextBlock</ElementName><ElementPrefix>us-gaap_</ElementPrefix><IsBaseElement>true</IsBaseElement><BalanceType>na</BalanceType><PeriodType>duration</PeriodType><IsReportTitle>false</IsReportTitle><IsSegmentTitle>false</IsSegmentTitle><IsCalendarTitle>false</IsCalendarTitle><IsEquityPrevioslyReportedAsRow>false</IsEquityPrevioslyReportedAsRow><IsEquityAdjustmentRow>false</IsEquityAdjustmentRow><IsBeginningBalance>false</IsBeginningBalance><IsEndingBalance>false</IsEndingBalance><IsReverseSign>false</IsReverseSign><FootnoteIndexer /><Cells><Cell FlagID="0" ContextID="From2013-01-01to2013-06-30" UnitID=""><Id>1</Id><IsNumeric>false</IsNumeric><IsRatio>false</IsRatio><DisplayZeroAsNone>false</DisplayZeroAsNone><NumericAmount>0</NumericAmount><RoundedNumericAmount>0</RoundedNumericAmount><NonNumbericText>&lt;p style="text-align: justify; text-indent: 0pt; margin: 0; font: 10pt Times New Roman, Times, Serif"&gt;&lt;b&gt;&lt;u&gt;NOTE 6 &amp;#8211; OTHER
ASSETS&lt;/u&gt;&lt;/b&gt;&lt;/p&gt;

&lt;p style="margin: 0pt"&gt;&amp;#160;&lt;/p&gt;

&lt;p style="text-align: justify; text-indent: 0pt; margin: 0; font: 10pt Times New Roman, Times, Serif"&gt;Prepaid expense consists
of the following:&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="width: 90%; font-size: 10pt"&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="padding-bottom: 2px"&gt;&amp;#160;&lt;/td&gt;
    &lt;td style="padding-bottom: 2px"&gt;&amp;#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: black 2px solid; text-align: center; text-indent: 0pt"&gt;&lt;font style="font: 10pt Times New Roman, Times, Serif"&gt;June 30,&lt;/font&gt;&lt;br /&gt;
&lt;font style="font: 10pt Times New Roman, Times, Serif"&gt;2013&lt;/font&gt;&lt;/td&gt;
    &lt;td nowrap="nowrap" style="text-align: left; padding-bottom: 2px"&gt;&amp;#160;&lt;/td&gt;
    &lt;td style="padding-bottom: 2px"&gt;&amp;#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: black 2px solid; text-align: center; padding-left: 18pt; text-indent: -18pt"&gt;&lt;font style="font: 10pt Times New Roman, Times, Serif"&gt;December 31,&lt;/font&gt;&lt;br /&gt;
&lt;font style="font: 10pt Times New Roman, Times, Serif"&gt;2012&lt;/font&gt;&lt;/td&gt;
    &lt;td nowrap="nowrap" style="text-align: left; padding-bottom: 2px"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="background-color: #cceeff; vertical-align: bottom"&gt;
    &lt;td style="text-align: left; text-indent: -18pt; padding-left: 18pt"&gt;&lt;font style="font: 10pt Times New Roman, Times, Serif"&gt;Prepaid manufacturing costs&lt;/font&gt;&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&amp;#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;font style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/font&gt;&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&lt;font style="font: 10pt Times New Roman, Times, Serif"&gt;899,000&lt;/font&gt;&lt;/td&gt;
    &lt;td nowrap="nowrap" style="text-align: left"&gt;&amp;#160;&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&amp;#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;font style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/font&gt;&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&lt;font style="font: 10pt Times New Roman, Times, Serif"&gt;-0-&lt;/font&gt;&lt;/td&gt;
    &lt;td nowrap="nowrap" style="text-align: left"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="background-color: white; vertical-align: bottom"&gt;
    &lt;td style="text-align: left; padding-bottom: 2px; text-indent: -18pt; padding-left: 18pt"&gt;&lt;font style="font: 10pt Times New Roman, Times, Serif"&gt;Prepaid consulting expense&lt;/font&gt;&lt;/td&gt;
    &lt;td style="text-align: right; padding-bottom: 2px"&gt;&amp;#160;&lt;/td&gt;
    &lt;td style="border-bottom: black 2px solid; text-align: left"&gt;&amp;#160;&lt;/td&gt;
    &lt;td style="border-bottom: black 2px solid; text-align: right"&gt;&lt;font style="font: 10pt Times New Roman, Times, Serif"&gt;1,081,519&lt;/font&gt;&lt;/td&gt;
    &lt;td nowrap="nowrap" style="text-align: left; padding-bottom: 2px"&gt;&amp;#160;&lt;/td&gt;
    &lt;td style="text-align: right; padding-bottom: 2px"&gt;&amp;#160;&lt;/td&gt;
    &lt;td style="text-align: left; padding-bottom: 2px"&gt;&amp;#160;&lt;/td&gt;
    &lt;td style="text-align: right; padding-bottom: 2px"&gt;&lt;font style="font: 10pt Times New Roman, Times, Serif"&gt;953,655&lt;/font&gt;&lt;/td&gt;
    &lt;td nowrap="nowrap" style="text-align: left; padding-bottom: 2px"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="background-color: #cceeff; vertical-align: bottom"&gt;
    &lt;td style="text-align: left; padding-bottom: 4px; text-indent: -18pt; padding-left: 27pt"&gt;&lt;font style="font: 10pt Times New Roman, Times, Serif"&gt;TOTAL PREPAID EXPENSE&lt;/font&gt;&lt;/td&gt;
    &lt;td style="text-align: right; padding-bottom: 4px"&gt;&amp;#160;&lt;/td&gt;
    &lt;td style="border-bottom: black 4px double; text-align: left"&gt;&lt;font style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/font&gt;&lt;/td&gt;
    &lt;td style="border-bottom: black 4px double; text-align: right"&gt;&lt;font style="font: 10pt Times New Roman, Times, Serif"&gt;1,980,519&lt;/font&gt;&lt;/td&gt;
    &lt;td nowrap="nowrap" style="text-align: left; padding-bottom: 4px"&gt;&amp;#160;&lt;/td&gt;
    &lt;td style="text-align: right; padding-bottom: 4px"&gt;&amp;#160;&lt;/td&gt;
    &lt;td style="border-bottom: black 4px double; text-align: left; border-top: black 2px solid"&gt;&lt;font style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/font&gt;&lt;/td&gt;
    &lt;td style="border-bottom: black 4px double; text-align: right; border-top: black 2px solid"&gt;&lt;font style="font: 10pt Times New Roman, Times, Serif"&gt;953,655&lt;/font&gt;&lt;/td&gt;
    &lt;td nowrap="nowrap" style="text-align: left; padding-bottom: 4px"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;
&lt;p style="margin: 0pt"&gt;&amp;#160;&lt;/p&gt;

&lt;p style="text-align: justify; text-indent: 0pt; margin: 0; font: 10pt Times New Roman, Times, Serif"&gt;Intangible assets consist
of the following:&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="width: 90%; font-size: 10pt"&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="padding-bottom: 2px"&gt;&amp;#160;&lt;/td&gt;
    &lt;td style="padding-bottom: 2px"&gt;&amp;#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: black 2px solid; text-align: center; text-indent: 0pt"&gt;&lt;font style="font: 10pt Times New Roman, Times, Serif"&gt;June 30,&lt;/font&gt;&lt;br /&gt;
&lt;font style="font: 10pt Times New Roman, Times, Serif"&gt;2013&lt;/font&gt;&lt;/td&gt;
    &lt;td nowrap="nowrap" style="text-align: left; padding-bottom: 2px"&gt;&amp;#160;&lt;/td&gt;
    &lt;td style="padding-bottom: 2px"&gt;&amp;#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: black 2px solid; text-align: center; padding-left: 18pt; text-indent: -18pt"&gt;&lt;font style="font: 10pt Times New Roman, Times, Serif"&gt;December 31,&lt;/font&gt;&lt;br /&gt;
&lt;font style="font: 10pt Times New Roman, Times, Serif"&gt;2012&lt;/font&gt;&lt;/td&gt;
    &lt;td nowrap="nowrap" style="text-align: left; padding-bottom: 2px"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="background-color: #cceeff; vertical-align: bottom"&gt;
    &lt;td style="text-align: left; text-indent: -18pt; padding-left: 18pt"&gt;&lt;font style="font: 10pt Times New Roman, Times, Serif"&gt;Patent costs&lt;/font&gt;&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&amp;#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;font style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/font&gt;&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&lt;font style="font: 10pt Times New Roman, Times, Serif"&gt;337,163&lt;/font&gt;&lt;/td&gt;
    &lt;td nowrap="nowrap" style="text-align: left"&gt;&amp;#160;&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&amp;#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;font style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/font&gt;&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&lt;font style="font: 10pt Times New Roman, Times, Serif"&gt;224,971&lt;/font&gt;&lt;/td&gt;
    &lt;td nowrap="nowrap" style="text-align: left"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="background-color: white; vertical-align: bottom"&gt;
    &lt;td style="text-align: left; padding-bottom: 2px; text-indent: -18pt; padding-left: 18pt"&gt;&lt;font style="font: 10pt Times New Roman, Times, Serif"&gt;Website costs, net of amortization of $83,668 and $77,159, respectively&lt;/font&gt;&lt;/td&gt;
    &lt;td style="text-align: right; padding-bottom: 2px"&gt;&amp;#160;&lt;/td&gt;
    &lt;td style="border-bottom: black 2px solid; text-align: left"&gt;&amp;#160;&lt;/td&gt;
    &lt;td style="border-bottom: black 2px solid; text-align: right"&gt;&lt;font style="font: 10pt Times New Roman, Times, Serif"&gt;8,075&lt;/font&gt;&lt;/td&gt;
    &lt;td nowrap="nowrap" style="text-align: left; padding-bottom: 2px"&gt;&amp;#160;&lt;/td&gt;
    &lt;td style="text-align: right; padding-bottom: 2px"&gt;&amp;#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&amp;#160;&lt;/td&gt;
    &lt;td style="text-align: right; padding-bottom: 2px"&gt;&lt;font style="font: 10pt Times New Roman, Times, Serif"&gt;14,584&lt;/font&gt;&lt;/td&gt;
    &lt;td nowrap="nowrap" style="text-align: left; padding-bottom: 2px"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="background-color: #cceeff; vertical-align: bottom"&gt;
    &lt;td style="text-align: left; padding-bottom: 4px; text-indent: -18pt; padding-left: 27pt"&gt;&lt;font style="font: 10pt Times New Roman, Times, Serif"&gt;TOTAL INTANGIBLE ASSETS&lt;/font&gt;&lt;/td&gt;
    &lt;td style="text-align: right; padding-bottom: 4px"&gt;&amp;#160;&lt;/td&gt;
    &lt;td style="border-bottom: black 4px double; text-align: left"&gt;&lt;font style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/font&gt;&lt;/td&gt;
    &lt;td style="border-bottom: black 4px double; text-align: right"&gt;&lt;font style="font: 10pt Times New Roman, Times, Serif"&gt;345,238&lt;/font&gt;&lt;/td&gt;
    &lt;td nowrap="nowrap" style="text-align: left; padding-bottom: 4px"&gt;&amp;#160;&lt;/td&gt;
    &lt;td style="text-align: right; padding-bottom: 4px"&gt;&amp;#160;&lt;/td&gt;
    &lt;td style="border-bottom: black 4px double; text-align: left; border-top: black 2px solid"&gt;&lt;font style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/font&gt;&lt;/td&gt;
    &lt;td style="border-bottom: black 4px double; text-align: right; border-top: black 2px solid"&gt;&lt;font style="font: 10pt Times New Roman, Times, Serif"&gt;239,555&lt;/font&gt;&lt;/td&gt;
    &lt;td nowrap="nowrap" style="text-align: left; padding-bottom: 4px"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;
&lt;p style="margin: 0pt"&gt;&amp;#160;&lt;/p&gt;

&lt;p style="text-align: justify; text-indent: 0pt; margin: 0; font: 10pt Times New Roman, Times, Serif"&gt;Amortization expense for
the six months ended June 30, 2013 and 2012 was $6,509 and $13,972, respectively.&lt;/p&gt;</NonNumbericText><FootnoteIndexer /><CurrencyCode /><CurrencySymbol /><IsIndependantCurrency>false</IsIndependantCurrency><ShowCurrencySymbol>false</ShowCurrencySymbol><DisplayDateInUSFormat>false</DisplayDateInUSFormat></Cell></Cells><ElementDataType>nonnum:textBlockItemType</ElementDataType><SimpleDataType>na</SimpleDataType><ElementDefenition>The entire disclosure for other assets. This disclosure includes other current assets and other noncurrent assets.</ElementDefenition><ElementReferences>No definition available.</ElementReferences><IsTotalLabel>false</IsTotalLabel><UnitID>0</UnitID><Label>OTHER ASSETS</Label></Row></Rows><Footnotes /><IsEquityReport>false</IsEquityReport><ReportName>OTHER ASSETS</ReportName><MonetaryRoundingLevel>UnKnown</MonetaryRoundingLevel><SharesRoundingLevel>UnKnown</SharesRoundingLevel><PerShareRoundingLevel>UnKnown</PerShareRoundingLevel><ExchangeRateRoundingLevel>UnKnown</ExchangeRateRoundingLevel><HasCustomUnits>true</HasCustomUnits><IsEmbedReport>false</IsEmbedReport><IsMultiCurrency>false</IsMultiCurrency><ReportType>Sheet</ReportType><RoleURI>http://therapeuticsmd.com/role/OtherAssets</RoleURI><NumberOfCols>1</NumberOfCols><NumberOfRows>2</NumberOfRows></InstanceReport>
